ANALYSES OF SAMPLES COLLECTED AT LAKE SAKAKAWEA WATER-QUALITY SITES

                                        475516102245900  LAKE SAKAKAWEA, VAN HOOK ARM 1

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)
                                                            
                           MAY
                             23...       1435    10.8      .00      632      8.4     12.8     10.8
                             23...       1436      --     2.0       634      8.4     12.5     10.5
                             23...       1437      --     3.3       634      8.4     11.7     10.4
                           JUL
                             26...       0920    18.0      .00      636      8.2     21.4      8.7
                             26...       0921      --     2.0       637      8.2     21.3      8.7
                             26...       0922      --     3.9       638      8.2     21.3      8.6
                             26...       0923      --     5.5       638      8.3     21.3      8.6
                           SEP
                             26...       1105    17.1      .00      572      8.5     13.5      9.4
                             26...       1106      --     1.5       574      8.5     13.5      9.4
                             26...       1107      --     3.0       575      8.5     13.4      9.2
                             26...       1108      --     4.5       575      8.6     13.3      9.2
                             26...       1109      --     5.2       575      8.6     13.3      9.2


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       111      701     43.0     20.0      325      5.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       106      712     71.0     20.0       50     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        97      715     60.0     14.0      300     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        475519102240300  LAKE SAKAKAWEA, VAN HOOK ARM 2

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                    DEPTH    DEPTH     SPE-     PH
                                    TO TOP  TO BOT-   CIFIC    WATER    HARD-             MAGNE-   POTAS-   SODIUM
                                      OF    TOM OF     CON-    WHOLE    NESS    CALCIUM    SIUM,    SIUM,     AD-
                                    SAMPLE   SAMPLE   DUCT-     LAB     TOTAL    DIS-      DIS-     DIS-    SORP-
                                    INTER-   INTER-   ANCE    (STAND-   (MG/L    SOLVED   SOLVED   SOLVED    TION
                  DATE      TIME   VAL(IN   VAL(IN     LAB      ARD      AS      (MG/L    (MG/L    (MG/L    RATIO
                                   METERS)  METERS)  (US/CM)   UNITS)   CACO3)   AS CA)   AS MG)   AS K)
                                   (82047)  (82048)  (90095)  (00403)  (00900)  (00915)  (00925)  (00935)  (00931)

              MAY
                23...       1430      .0       .3      626      8.4      220      53       21       3.5       2
                23...       1435     4.9      5.4      623      8.4      210      51       20       3.4       2
              JUL
                26...       0935      .0       --      612      8.6      210      50       20       3.3       1
                26...       0940     6.0       --      611      8.6      200      49       20       3.2       1
              SEP
                26...       1055      .0       .2      561      8.4      200      47       19       3.3       1
                26...       1100     4.8      5.0      563      8.5      190      47       18       3.3       1


                                              ANC                       NITRO-
                                            UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   PHOS-
                          SODIUM,           TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,   PHORUS    PHOS-
                           DIS-               LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3    DIS-   PHORUS
                          SOLVED             (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    SOLVED   TOTAL
                  DATE     (MG/L    SODIUM    AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           AS NA)  PERCENT   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS P)    AS P)
                          (00930)  (00932)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00666)  (00665)

              MAY
                23...       53       34       160      9.3      160     <.08     <.01     <.02      .01      .03
                23...       50       34       160      9.4      160     <.08     <.01     <.02      .01      .03
              JUL
                26...       48       33       160      9.8      150      .26     <.01     <.02     <.01      .02
                26...       47       33       150      9.8      150      .26     <.01     <.02     <.01      .02
              SEP
                26...       47       34       140      8.5      130      .22     <.01     <.02     <.01     <.02
                26...       46       34       150      8.6      130      .23     <.01     <.02     <.01     <.02


                          SOLIDS,  CHLOR-A  CHLOR-B
                          SUM OF    PHYTO-   PHYTO-  ALUMI-                               BERYL-
                          CONSTI-   PLANK-   PLANK-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                          TUENTS,    TON      TON     TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            DIS-   CHROMO   CHROMO   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                  DATE     SOLVED  FLUOROM  FLUOROM   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                           (MG/L)   (UG/L)   (UG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                          (70301)  (70953)  (70954)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

              MAY
                23...       396     <3.0       --      120      <1        2       55       <1       180      <1
                23...       390       --       --      130      <1        2       52       <1       170      <1
              JUL
                26...       377     <3.0     <1.0      <50      <1        2       56       <1       160      <1
                26...       369       --       --      <50      <1        2       56       <1       160      <1
              SEP
                26...       339     <3.0     <1.0      <50      <1        3       54       <1       140      <1
                26...       343       --       --      <50      <1        2       56       <1       150      <1


                                                                                                   THAL-
                           CHRO-             IRON,            MANGAN-                              LIUM,
                           MIUM,   COPPER,   TOTAL    LEAD,     ESE    NICKEL,   SELE-   SILVER,   TOTAL    ZINC,
                           TOTAL    TOTAL    RECOV-   TOTAL    TOTAL    TOTAL    NIUM,    TOTAL    RECOV-   TOTAL
                          RECOVER  RECOVER   ERABLE  RECOVER  RECOVER  RECOVER   TOTAL   RECOVER   ERABLE  RECOVER
                  DATE     -ABLE    -ABLE    (UG/L    -ABLE   - ABLE    -ABLE    (UG/L    -ABLE    (UG/L    -ABLE
                           (UG/L)   (UG/L)   AS FE)   (UG/L)   (UG/L)   (UG/L)   AS SE)   (UG/L)   AS TL)   (UG/L)
                          (01118)  (01119)  (01045)  (01114)  (01123)  (01074)  (01147)  (01079)  (01128)  (01094)

              MAY
                23...       <1       <1       130      <1        16       3        2       <1       <1       10
                23...       <1        2       270      <1        18       3       <1       <1       <1       11
              JUL
                26...       <1       <1       <10      <1       <10       4       <1       <1       <1       11
                26...       <1       <1       <10      <1       <10       4       <1       <1       <1       10
              SEP
                26...       <1       30        11       2       <10       2       <1       <1       <1       31
                26...        1        3       <10      <1       <10       3       <1       <1       <1       16


                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             23...       1425    17.7      .00      631      8.4     13.5     10.5
                             23...       1426      --     2.0       633      8.4     12.6     10.5
                             23...       1427      --     4.0       638      8.4     11.7     10.4
                             23...       1428      --     5.4       634      8.4     11.6     10.3
                           JUL
                             26...       0930    19.7      .00      624      8.3     21.3      8.9
                             26...       0931      --     1.5       625      8.3     21.3      8.6
                             26...       0932      --     3.0       626      8.4     21.2      8.6
                             26...       0933      --     4.5       627      8.4     21.2      8.5
                             26...       0934      --     6.0       627      8.4     21.2      8.5
                           SEP
                             26...       1050    16.4      .00      572      8.5     13.9      9.0
                             26...       1051      --     1.5       572      8.5     13.9      8.9
                             26...       1052      --     3.1       573      8.5     13.7      8.8
                             26...       1053      --     4.5       574      8.5     13.6      8.9
                             26...       1054      --     5.0       575      8.5     13.5      8.6


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       110      701     52.0     20.0      305      5.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       109      710     89.0     23.0      130     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        93      713     56.0     14.0      300     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        475530102225400  LAKE SAKAKAWEA, VAN HOOK ARM 3

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             23...       1410    47.6       .00     637      8.4     13.3     10.6
                             23...       1411      --      2.0      636      8.4     13.2     10.6
                             23...       1412      --      3.9      638      8.4     11.8     10.8
                             23...       1413      --      5.9      638      8.4     11.5     10.6
                             23...       1414      --      7.9      635      8.4     11.4     10.4
                             23...       1415      --     10.0      635      8.4     11.4     10.4
                             23...       1416      --     11.8      642      8.4     11.0     10.3
                             23...       1417      --     14.1      634      8.3     10.6     10.1
                             23...       1418      --     14.5      638      8.3     10.6     10.0
                           JUL
                             26...       0945    50.5       .00     626      8.4     21.3      8.6
                             26...       0946      --      2.5      626      8.4     21.2      8.5
                             26...       0947      --      5.2      628      8.4     21.2      8.5
                             26...       0948      --      7.3      628      8.4     21.2      8.4
                             26...       0949      --      9.9      629      8.4     21.2      8.4
                             26...       0950      --     12.3      633      8.4     20.9      8.0
                             26...       0951      --     14.8      636      8.3     20.4      7.5
                             26...       0952      --     15.4      639      8.2     20.0      6.9
                           SEP
                             26...       1035    39.0       .00     571      8.5     14.0      9.3
                             26...       1036      --      2.1      571      8.5     14.0      9.3
                             26...       1037      --      3.9      571      8.5     14.0      9.2
                             26...       1038      --      6.1      572      8.5     14.0      9.4
                             26...       1039      --      8.1      573      8.5     13.9      9.6
                             26...       1040      --     10.0      573      8.5     13.7      9.6
                             26...       1041      --     11.9      578      8.5     12.7      9.6


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       111      700      63.0    20.0      300      6.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       104      710     110      23.0       90     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        96      713      54.0    12.0      280      6.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        475524102213100  LAKE SAKAKAWEA, VAN HOOK ARM 4

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                               DEPTH    DEPTH     SPE-     PH
                               TO TOP  TO BOT-   CIFIC    WATER    HARD-             MAGNE-   POTAS-   SODIUM
                                 OF    TOM OF     CON-    WHOLE    NESS    CALCIUM    SIUM,    SIUM,     AD-   SODIUM,
                               SAMPLE   SAMPLE   DUCT-     LAB     TOTAL    DIS-      DIS-     DIS-    SORP-    DIS-
                               INTER-   INTER-   ANCE    (STAND-   (MG/L    SOLVED   SOLVED   SOLVED    TION   SOLVED
             DATE      TIME   VAL(IN   VAL(IN     LAB      ARD      AS      (MG/L    (MG/L    (MG/L    RATIO    (MG/L
                              METERS)  METERS)  (US/CM)   UNITS)   CACO3)   AS CA)   AS MG)   AS K)             AS NA)
                              (82047)  (82048)  (90095)  (00403)  (00900)  (00915)  (00925)  (00935)  (00931)  (00930)

         MAY
           23...       1400      .0       .3      619      8.4      220      53       21       3.5       2       52
           23...       1405    12.2     12.7      630      8.4      220      53       21       3.5       2       52
         JUL
           26...       1010      .0       --      612      8.5      200      49       20       3.2       1       47
           26...       1015    11.3       --      611      8.5      200      49       20       3.1       1       47
         SEP
           26...       1035      .0       .2      561      8.3      190      46       18       3.2       1       45
           26...       1040    12.0     12.2      561      8.3      200      48       19       3.4       1       48


                                     ANC                       NITRO-
                                   UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-            PHOS-
                                   TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,    NITRO-  PHORUS    PHOS-
                                     LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3    GEN,     DIS-   PHORUS
                                    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    SOLVED   TOTAL
                  DATE     SODIUM    AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                          PERCENT   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS P)    AS P)
                          (00932)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00600)  (00666)  (00665)

              MAY
                23...       34       160      9.4      160     <.08     <.01     <.02       --     <.01      .02
                23...       34       160      9.4      160     <.08     <.01     <.02       --      .01      .03
              JUL
                26...       33       150      9.8      150      .25     <.01     <.02       --     <.01     <.02
                26...       33       150      9.8      150      .25     <.01      .02       .27    <.01      .02
              SEP
                26...       34       140      8.3      130      .23     <.01     <.02       --     <.01     <.02
                26...       34       140      8.5      130      .24     <.01     <.02       --     <.01     <.02


                          SOLIDS,  CHLOR-A  CHLOR-B
                          SUM OF    PHYTO-   PHYTO-  ALUMI-                               BERYL-
                          CONSTI-   PLANK-   PLANK-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                          TUENTS,    TON      TON     TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            DIS-   CHROMO   CHROMO   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                  DATE     SOLVED  FLUOROM  FLUOROM   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                           (MG/L)   (UG/L)   (UG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                          (70301)  (70953)  (70954)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

              MAY
                23...       395     <3.0       --       77      <1        2       53       <1       170      <1
                23...       395       --       --      210      <1        2       55       <1       170      <1
              JUL
                26...       369     <3.0     <1.0      <50      <1        2       54       <1       160      <1
                26...       369       --       --      <50      <1        2       54       <1       140      <1
              SEP
                26...       334      5.0     <1.0      <50      <1        3       51       <1       140      <1
                26...       341       --       --      <50      <1        2       58       <1        60      <1


                                                                                                   THAL-
                           CHRO-             IRON,            MANGAN-                              LIUM,
                           MIUM,   COPPER,   TOTAL    LEAD,     ESE    NICKEL,   SELE-   SILVER,   TOTAL    ZINC,
                           TOTAL    TOTAL    RECOV-   TOTAL    TOTAL    TOTAL    NIUM,    TOTAL    RECOV-   TOTAL
                          RECOVER  RECOVER   ERABLE  RECOVER  RECOVER  RECOVER   TOTAL   RECOVER   ERABLE  RECOVER
                  DATE     -ABLE    -ABLE    (UG/L    -ABLE   - ABLE    -ABLE    (UG/L    -ABLE    (UG/L    -ABLE
                           (UG/L)   (UG/L)   AS FE)   (UG/L)   (UG/L)   (UG/L)   AS SE)   (UG/L)   AS TL)   (UG/L)
                          (01118)  (01119)  (01045)  (01114)  (01123)  (01074)  (01147)  (01079)  (01128)  (01094)

              MAY
                23...       <1       <1        77      <1       <10       3       <1       <1       <1       11
                23...       <1        1       274      <1        27       4       <1       <1       <1        9
              JUL
                26...       <1       <1       <10      <1       <10       3       <1       <1       <1       13
                26...       <1       <1       <10      <1       <10       3       <1       <1       <1       11
              SEP
                26...       <1        2       <10      <1       <10       2       <1       <1       <1       15
                26...        1        3       105      <1       <10       2       <1       <1       <1       15


                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             23...       1350    41.7       .00     631      8.4     13.7     10.8
                             23...       1351      --      1.5      633      8.4     13.3     10.6
                             23...       1352      --      2.9      636      8.4     12.0     10.8
                             23...       1353      --      4.4      634      8.4     11.8     10.7
                             23...       1354      --      6.0      635      8.4     11.5     10.4
                             23...       1355      --      7.5      636      8.3     11.2     10.3
                             23...       1356      --      8.9      633      8.3     11.1     10.2
                             23...       1357      --     10.8      634      8.3     11.1     10.1
                             23...       1358      --     12.0      638      8.3     10.9     10.0
                             23...       1359      --     12.7      638      8.3     10.9      9.9
                           JUL
                             26...       1000    37.1       .00     627      8.4     21.4      8.4
                             26...       1001      --      2.0      628      8.4     21.2      8.4
                             26...       1002      --      4.0      629      8.4     21.1      8.4
                             26...       1003      --      6.0      629      8.4     21.0      8.3
                             26...       1004      --      7.9      629      8.4     21.0      8.3
                             26...       1005      --     10.0      629      8.4     20.9      8.2
                             26...       1006      --     11.3      630      8.4     20.9      8.2
                           SEP
                             26...       1025    40.0       .00     571      8.5     13.9      9.1
                             26...       1026      --      2.0      571      8.5     13.9      8.8
                             26...       1027      --      4.0      571      8.5     13.9      8.7
                             26...       1028      --      6.0      571      8.5     13.9      8.7
                             26...       1029      --      8.0      572      8.5     13.9      8.7
                             26...       1030      --     10.1      571      8.5     13.9      8.6
                             26...       1031      --     12.2      571      8.5     13.9      8.6


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       114      700      65.0    21.5      260     <5.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       102      710     115      23.0       90     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        94      715      52.0    11.5      280      6.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        475519102195500  LAKE SAKAKAWEA, VAN HOOK ARM 5

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             23...       1335    29.2      .00      665      8.5     14.7     10.3
                             23...       1336      --     1.6       652      8.4     13.0     10.4
                             23...       1337      --     3.0       651      8.4     13.0     10.1
                             23...       1338      --     4.5       654      8.4     12.9      9.9
                             23...       1339      --     6.0       651      8.4     12.4     10.0
                             23...       1340      --     7.6       645      8.4     12.2      9.9
                             23...       1341      --     8.9       643      8.3     12.1      9.6
                           JUL
                             26...       1020    30.5      .00      613      8.4     21.8      8.5
                             26...       1021      --     2.0       615      8.4     21.5      8.5
                             26...       1022      --     3.7       616      8.4     21.4      8.4
                             26...       1023      --     5.0       616      8.4     21.4      8.4
                             26...       1024      --     6.7       617      8.4     21.4      8.3
                             26...       1025      --     9.3       623      8.4     21.3      8.3
                           SEP
                             26...       1015    19.0      .00      573      8.5     13.3      9.5
                             26...       1016      --     1.5       573      8.5     13.3      9.3
                             26...       1017      --     3.0       573      8.5     13.2      9.3
                             26...       1018      --     4.5       578      8.5     12.7      9.7
                             26...       1019      --     5.8       580      8.5     12.3      9.7


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       111      700     34.0     21.0      265     <5.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       105      709     73.0     25.0      160     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        97      715     55.0     11.0      260      6.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --


                                        475304102195400  LAKE SAKAKAWEA, VAN HOOK ARM 6
                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             23...       1325    39.0       .00     640      8.4     14.5     10.6
                             23...       1326      --      2.0      639      8.5     12.0     11.2
                             23...       1327      --      4.0      640      8.4     11.4     11.0
                             23...       1328      --      6.1      641      8.4     11.2     10.9
                             23...       1329      --      7.8      642      8.4     11.0     10.8
                             23...       1330      --      9.9      643      8.4     10.4     10.6
                             23...       1331      --     11.9      463      8.3     10.4     10.4
                           JUL
                             26...       1250    37.7       .00     613      8.3     22.0      9.0
                             26...       1251      --      2.1      613      8.4     21.6      9.0
                             26...       1252      --      4.1      613      8.4     21.3      8.9
                             26...       1253      --      5.9      615      8.4     21.2      8.8
                             26...       1254      --      7.9      613      8.4     21.1      8.7
                             26...       1255      --     10.0      625      8.4     20.7      8.4
                             26...       1256      --     11.5      623      8.4     20.3      8.2
                           SEP
                             26...       0950    37.1       .00     558      8.5     14.4      9.2
                             26...       0951      --      2.0      559      8.5     14.4      9.2
                             26...       0952      --      3.9      558      8.5     14.4      9.1
                             26...       0953      --      6.0      559      8.5     14.4      8.9
                             26...       0954      --      8.1      561      8.5     14.2      8.8
                             26...       0955      --     10.1      563      8.5     14.2      8.7
                             26...       0956      --     11.3      564      8.5     14.1      8.7


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       113      701     54.0     21.0      280      5.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       111      709     97.0     31.0      155     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        96      714     64.0     11.0      300     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        475301102220100  LAKE SAKAKAWEA, VAN HOOK ARM 7

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                    DEPTH    DEPTH     SPE-     PH
                                    TO TOP  TO BOT-   CIFIC    WATER    HARD-             MAGNE-   POTAS-   SODIUM
                                      OF    TOM OF     CON-    WHOLE    NESS    CALCIUM    SIUM,    SIUM,     AD-
                                    SAMPLE   SAMPLE   DUCT-     LAB     TOTAL    DIS-      DIS-     DIS-    SORP-
                                    INTER-   INTER-   ANCE    (STAND-   (MG/L    SOLVED   SOLVED   SOLVED    TION
                  DATE      TIME   VAL(IN   VAL(IN     LAB      ARD      AS      (MG/L    (MG/L    (MG/L    RATIO
                                   METERS)  METERS)  (US/CM)   UNITS)   CACO3)   AS CA)   AS MG)   AS K)
                                   (82047)  (82048)  (90095)  (00403)  (00900)  (00915)  (00925)  (00935)  (00931)

              MAY
                23...       1315      .0       .3      621      8.4      220      53       21       3.4       2
                23...       1320    13.5     14.0      634      8.4      220      53       21       3.4       2
              JUL
                26...       1230      .0       --      620      8.6      200      49       20       3.2       1
                26...       1235    15.0       --      615      8.5      200      49       20       3.2       1
              SEP
                26...       0945      .0       .2      561      8.4      200      47       19       3.3       1
                26...       0950    14.3     14.5      559      8.3      200      47       19       3.3       1


                                              ANC                       NITRO-
                                            UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   PHOS-
                          SODIUM,           TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,   PHORUS    PHOS-
                           DIS-               LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3    DIS-   PHORUS
                          SOLVED             (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    SOLVED   TOTAL
                  DATE     (MG/L    SODIUM    AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           AS NA)  PERCENT   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS P)    AS P)
                          (00930)  (00932)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00666)  (00665)

              MAY
                23...       51       33       170      9.4      160     <.08     <.01     <.02      .01      .02
                23...       51       33       160      9.5      160     <.08     <.01     <.02     <.01      .02
              JUL
                26...       48       33       150      9.8      160      .25     <.01     <.02     <.01     <.02
                26...       47       33       160      9.9      150      .26     <.01     <.02     <.01     <.02
              SEP
                26...       47       34       140      8.4      130      .15     <.01     <.02     <.01     <.02
                26...       47       34       140      8.5      130      .22     <.01     <.02     <.01     <.02


                          SOLIDS,  CHLOR-A  CHLOR-B
                          SUM OF    PHYTO-   PHYTO-  ALUMI-                               BERYL-
                          CONSTI-   PLANK-   PLANK-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                          TUENTS,    TON      TON     TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            DIS-   CHROMO   CHROMO   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                  DATE     SOLVED  FLUOROM  FLUOROM   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                           (MG/L)   (UG/L)   (UG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                          (70301)  (70953)  (70954)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

              MAY
                23...       400     <3.0       --       78      <1        2       52       <1       170      <1
                23...       394       --       --      130      <1        2       52       <1       170      <1
              JUL
                26...       380     <3.0     <1.0      <50      <1        2       55       <1       160      <1
                26...       375       --       --      <50      <1        2       55       <1       170      <1
              SEP
                26...       339      4.0     <1.0      <50      <1        3       53       <1       140      <1
                26...       339       --       --      <50      <1        3       54       <1       140      <1


                                                                                                   THAL-
                           CHRO-             IRON,            MANGAN-                              LIUM,
                           MIUM,   COPPER,   TOTAL    LEAD,     ESE    NICKEL,   SELE-   SILVER,   TOTAL    ZINC,
                           TOTAL    TOTAL    RECOV-   TOTAL    TOTAL    TOTAL    NIUM,    TOTAL    RECOV-   TOTAL
                          RECOVER  RECOVER   ERABLE  RECOVER  RECOVER  RECOVER   TOTAL   RECOVER   ERABLE  RECOVER
                  DATE     -ABLE    -ABLE    (UG/L    -ABLE   - ABLE    -ABLE    (UG/L    -ABLE    (UG/L    -ABLE
                           (UG/L)   (UG/L)   AS FE)   (UG/L)   (UG/L)   (UG/L)   AS SE)   (UG/L)   AS TL)   (UG/L)
                          (01118)  (01119)  (01045)  (01114)  (01123)  (01074)  (01147)  (01079)  (01128)  (01094)


              MAY
                23...       <1       <1       126      <1       <10       4       <1       <1       <1       11
                23...       <1       <1       149      <1        13       3       <1       <1       <1       10
              JUL
                26...       <1       <1       <10      <1       <10       3       <1       <1       <1       12
                26...       <1       <1       <10      <1       <10       3       <1       <1       <1       12
              SEP
                26...       <1        2       <10      <1       <10       2       <1       <1       <1       15
                26...       <1        5       <10      <1       <10       2       <1       <1       <1       15


                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             23...       1305    45.9       .00     632      8.4     13.0     10.7
                             23...       1306      --      2.0      635      8.4     11.0     10.8
                             23...       1307      --      3.7      637      8.4     10.7     10.5
                             23...       1308      --      5.0      634      8.4     10.6     10.4
                             23...       1309      --      6.8      636      8.3     10.5     10.4
                             23...       1310      --      8.1      635      8.3     10.4     10.4
                             23...       1311      --      9.5      640      8.3     10.3     10.4
                             23...       1312      --     11.2      634      8.3     10.3     10.4
                             23...       1313      --     12.9      638      8.3     10.2     10.3
                             23...       1314      --     14.0      638      8.3     10.2     10.3
                           JUL
                             26...       1220    49.2       .00     631      8.4     21.8      8.8
                             26...       1221      --      2.6      631      8.4     21.2      8.9
                             26...       1222      --      5.2      632      8.4     21.1      8.8
                             26...       1223      --      7.7      631      8.4     21.0      8.7
                             26...       1224      --     10.0      632      8.4     21.0      8.6
                             26...       1225      --     12.5      631      8.4     20.5      8.2
                             26...       1227      --     15.0      634      8.3     19.7      7.3
                           SEP
                             26...       0935    47.6       .00     570      8.5     14.1      9.2
                             26...       0936      --      2.0      571      8.5     14.1      9.2
                             26...       0937      --      4.0      571      8.5     14.1      9.4
                             26...       0938      --      6.0      571      8.5     14.1      9.6
                             26...       0939      --      8.1      571      8.5     14.1      9.9
                             26...       0940      --      9.9      572      8.5     14.1      9.9
                             26...       0941      --     12.2      571      8.5     14.1     10.1
                             26...       0942      --     14.5      571      8.5     14.0     10.1


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       110      701     58.0     21.0      300      5.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       109      709     93.0     30.0      150     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        96      714     65.0     11.0      275     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        475303102233200  LAKE SAKAKAWEA, VAN HOOK ARM 8

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             23...       1300    25.6      .00      630      8.4     13.9     10.7
                             23...       1301      --     2.0       633      8.4     11.8     10.7
                             23...       1302      --     4.1       638      8.4     11.4     10.4
                             23...       1303      --     6.1       631      8.3     11.1     10.2
                             23...       1304      --     7.8       634      8.3     11.1     10.1
                           JUL
                             26...       1205    22.0      .00      630      8.3     21.8      8.9
                             26...       1206      --     2.1       633      8.4     21.3      9.0
                             26...       1207      --     3.9       634      8.4     21.2      8.9
                             26...       1208      --     6.0       634      8.4     21.1      8.7
                             26...       1209      --     6.7       634      8.4     21.1      8.7
                           SEP
                             26...       0925    19.7      .00      569      8.5     13.9      9.2
                             26...       0926      --     2.0       569      8.5     13.9      9.1
                             26...       0927      --     4.1       568      8.5     13.9      9.1
                             26...       0928      --     6.0       570      8.5     13.9      9.0


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       113      701     66.0     21.0      315      6.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       110      709     93.0     28.0      150     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        95      715     63.0     10.5      280      6.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                              ANALYSES OF SAMPLES COLLECTED AT LAKE SAKAKAWEA WATER-QUALITY SITES

                                        475054102213300  LAKE SAKAKAWEA, VAN HOOK ARM 9

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             23...       1240    74.8       .00     633      8.4     12.0     10.7
                             23...       1241      --      2.0      631      8.4     10.9     10.8
                             23...       1242      --      3.9      636      8.4     10.8     10.6
                             23...       1243      --      6.0      636      8.3     10.6     10.4
                             23...       1244      --      8.0      632      8.3     10.5     10.4
                             23...       1245      --     10.1      638      8.3     10.5     10.5
                             23...       1246      --     12.2      635      8.3     10.5     10.4
                             23...       1247      --     14.0      636      8.3     10.4     10.3
                             23...       1248      --     16.0      634      8.3     10.3     10.3
                             23...       1249      --     18.0      639      8.3      9.8     10.3
                             23...       1250      --     20.1      639      8.2      9.5     10.2
                             23...       1251      --     21.9      636      8.2      9.4     10.0
                             23...       1252      --     22.8      640      8.2      9.3      9.9
                           JUL
                             26...       1140    75.4       .00     611      8.4     21.6      9.0
                             26...       1141      --      2.6      611      8.4     21.1      9.1
                             26...       1142      --      5.1      612      8.4     21.0      9.0
                             26...       1143      --      6.9      614      8.4     21.0      8.9
                             26...       1144      --     10.0      617      8.4     21.0      8.7
                             26...       1145      --     12.4      623      8.4     20.9      8.6
                             26...       1146      --     15.2      625      8.4     20.5      8.3
                             26...       1147      --     17.8      623      8.2     18.3      7.2
                             26...       1148      --     21.0      645      8.1     15.2      5.5
                             26...       1149      --     23.0      642      8.1     14.6      4.5
                           SEP
                             26...       0900    72.8       .00     567      8.5     14.2      9.0
                             26...       0901      --      3.0      567      8.5     14.2      9.0
                             26...       0902      --      6.1      567      8.5     14.2      8.9
                             26...       0903      --      9.0      567      8.5     14.1      8.7
                             26...       0904      --     12.0      569      8.5     14.1      8.7
                             26...       0905      --     15.1      567      8.5     14.1      8.7
                             26...       0906      --     18.0      569      8.5     14.0      8.8
                             26...       0907      --     21.2      572      8.5     13.9      8.5
                             26...       0908      --     22.2      575      8.5     13.9      7.9


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       108      701      66.0    24.0      120     <5.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       110      709     126      27.0      150     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        93      715      61.0    10.5      280     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        475100102203300  LAKE SAKAKAWEA, VAN HOOK ARM 10

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                               DEPTH    DEPTH     SPE-     PH
                               TO TOP  TO BOT-   CIFIC    WATER    HARD-             MAGNE-   POTAS-   SODIUM
                                 OF    TOM OF     CON-    WHOLE    NESS    CALCIUM    SIUM,    SIUM,     AD-   SODIUM,
                               SAMPLE   SAMPLE   DUCT-     LAB     TOTAL    DIS-      DIS-     DIS-    SORP-    DIS-
                               INTER-   INTER-   ANCE    (STAND-   (MG/L    SOLVED   SOLVED   SOLVED    TION   SOLVED
             DATE      TIME   VAL(IN   VAL(IN     LAB      ARD      AS      (MG/L    (MG/L    (MG/L    RATIO    (MG/L
                              METERS)  METERS)  (US/CM)   UNITS)   CACO3)   AS CA)   AS MG)   AS K)             AS NA)
                              (82047)  (82048)  (90095)  (00403)  (00900)  (00915)  (00925)  (00935)  (00931)  (00930)

         MAY
           23...       1235     .0        .3      637      8.5      220      53       21       3.4       2       51
           23...       1240   18.3      18.8      637      8.4      230      54       22       3.6       2       52
         JUL
           26...       1125     .0        --      589      8.6      190      47       18       3.1       1       44
           26...       1130   16.2        --      593      8.5      200      47       19       3.1       1       45
         SEP
           26...       0845     .0        .2      560      8.3      190      46       18       3.2       1       45
           26...       0850   16.2      16.4      558      8.3      190      46       18       3.2       1       46


                                     ANC                       NITRO-
                                   UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-            PHOS-
                                   TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,    NITRO-  PHORUS    PHOS-
                                     LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3    GEN,     DIS-   PHORUS
                                    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    SOLVED   TOTAL
                  DATE     SODIUM    AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                          PERCENT   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS P)    AS P)
                          (00932)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00600)  (00666)  (00665)

              MAY
                23...       33       160      9.8      160     <.08     <.01     <.02       --     <.01      .02
                23...       33       160      9.6      160     <.08     <.01     <.02       --     <.01      .02
              JUL
                26...       33       150      9.3      150      .24     <.01     <.02       --     <.01     <.02
                26...       33       150      9.3      150      .28     <.01      .02       .30    <.01     <.02
              SEP
                26...       34       140      8.5      130      .13     <.01     <.02       --     <.01     <.02
                26...       34       140      8.4      130      .20     <.01     <.02       --     <.01     <.02


                          SOLIDS,  CHLOR-A  CHLOR-B
                          SUM OF    PHYTO-   PHYTO-  ALUMI-                               BERYL-
                          CONSTI-   PLANK-   PLANK-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                          TUENTS,    TON      TON     TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            DIS-   CHROMO   CHROMO   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                  DATE     SOLVED  FLUOROM  FLUOROM   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                           (MG/L)   (UG/L)   (UG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                          (70301)  (70953)  (70954)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

              MAY
                23...       394     <3.0       --      <50      <1        2       49       <1       170      <1
                23...       397       --       --       92      <1        2       51       <1       170      <1
              JUL
                26...       361     <3.0     <1.0      <50      <1        2       53       <1       140      <1
                26...       363       --       --      <50      <1        2       54       <1       150      <1
              SEP
                26...       335      5.0     <1.0      <50      <1        3       52       <1       140      <1
                26...       336       --       --      <50      <1        3       52       <1       130      <1


                                                                                                   THAL-
                           CHRO-             IRON,            MANGAN-                              LIUM,
                           MIUM,   COPPER,   TOTAL    LEAD,     ESE    NICKEL,   SELE-   SILVER,   TOTAL    ZINC,
                           TOTAL    TOTAL    RECOV-   TOTAL    TOTAL    TOTAL    NIUM,    TOTAL    RECOV-   TOTAL
                          RECOVER  RECOVER   ERABLE  RECOVER  RECOVER  RECOVER   TOTAL   RECOVER   ERABLE  RECOVER
                  DATE     -ABLE    -ABLE    (UG/L    -ABLE   - ABLE    -ABLE    (UG/L    -ABLE    (UG/L    -ABLE
                           (UG/L)   (UG/L)   AS FE)   (UG/L)   (UG/L)   (UG/L)   AS SE)   (UG/L)   AS TL)   (UG/L)
                          (01118)  (01119)  (01045)  (01114)  (01123)  (01074)  (01147)  (01079)  (01128)  (01094)

              MAY
                23...       <1        1       <10      <1       <10       3        1       <1       <1        2
                23...       <1        2        98      <1       <10       4        1       <1       <1       12
              JUL
                26...       <1       <1       <10      <1       <10       2       <1       <1       <1       12
                26...       <1       <1       <10      <1       <10       3       <1       <1       <1       12
              SEP
                26...       <1       11       <10      <1       <10       2       <1       <1       <1       20
                26...       <1        2       <10      <1       <10       2       <1       <1       <1       14


                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             23...       1220    61.6       .00     636      8.4     13.4     10.9
                             23...       1221      --      2.0      641      8.4     12.2     11.1
                             23...       1222      --      3.9      640      8.4     11.4     11.2
                             23...       1223      --      6.0      637      8.4     11.0     11.0
                             23...       1224      --      9.9      635      8.3     10.8     10.6
                             23...       1225      --      9.9      635      8.3     10.8     10.6
                             23...       1226      --     11.9      637      8.3     10.6     10.5
                             23...       1227      --     14.0      634      8.3      9.7     10.5
                             23...       1228      --     15.9      642      8.3      9.6     10.5
                             23...       1229      --     18.0      633      8.2      9.2     10.4
                             23...       1230      --     18.8      635      8.2      9.2     10.4
                           JUL
                             26...       1115    53.1       .00     597      8.4     21.6      8.9
                             26...       1116      --      2.6      602      8.4     21.2      8.9
                             26...       1117      --      5.1      605      8.4     21.1      8.8
                             26...       1118      --      7.6      604      8.4     21.1      8.8
                             26...       1119      --     10.0      611      8.4     20.8      8.6
                             26...       1120      --     12.0      617      8.4     20.5      8.3
                             26...       1121      --     14.9      600      8.4     20.1      8.2
                             26...       1122      --     16.2      602      8.3     20.0      8.0
                           SEP
                             26...       0835    53.8       .00     567      8.4     14.1      9.1
                             26...       0836      --      3.0      568      8.4     14.1      9.2
                             26...       0837      --      6.1      568      8.4     14.2      9.1
                             26...       0838      --      9.0      568      8.4     14.1      8.9
                             26...       0839      --     12.0      568      8.4     14.1      8.9
                             26...       0840      --     15.0      568      8.4     14.1      8.7
                             26...       0841      --     16.4      568      8.4     14.0      8.5


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       114      701      83.0    22.0      170     <5.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       109      709     111      26.0      150     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        94      714      57.0    11.0      260     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --


                                        475054102193000  LAKE SAKAKAWEA, VAN HOOK ARM 11

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             23...       1210    33.5       .00     635      8.1     13.3     11.2
                             23...       1211      --      2.1      638      8.3     12.2     11.2
                             23...       1212      --      4.3      636      8.3     11.9     11.1
                             23...       1213      --      6.0      639      8.3     11.8     11.0
                             23...       1214      --      8.1      634      8.3     11.0     11.0
                             23...       1215      --     10.2      638      8.3     10.8     10.8
                           JUL
                             26...       1100    34.1       .00     602      8.4     21.6      9.1
                             26...       1101      --      2.0      604      8.4     21.2      9.1
                             26...       1102      --      4.1      604      8.4     21.2      9.0
                             26...       1103      --      6.2      604      8.4     21.1      9.0
                             26...       1104      --      8.2      606      8.4     21.0      8.9
                             26...       1105      --     10.4      614      8.4     20.7      8.7
                           SEP
                             26...       0825    31.8       .00     552      8.5     14.4      9.4
                             26...       0826      --      2.0      560      8.4     14.4      9.2
                             26...       0827      --      4.0      560      8.4     14.4      9.1
                             26...       0828      --      6.1      560      8.4     14.4      9.0
                             26...       0829      --      8.0      561      8.4     14.4      8.8
                             26...       0830      --      9.7      562      8.4     14.3      8.6


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  23...       117      701      80.0    21.5      170     <5.0
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                  23...        --       --       --       --       --       --
                                JUL
                                  26...       111      710     117      25.0      150     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        98      713      52.0    11.0      265     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        474335102113900  LAKE SAKAKAWEA, DEEPWATER BAY 1

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             25...       0930    40.7       .00     636      8.3     12.0     11.1
                             25...       0931      --      2.0      636      8.3     12.0     10.9
                             25...       0932      --      4.1      637      8.4     11.9     10.8
                             25...       0933      --      6.0      635      8.3     11.4     10.6
                             25...       0934      --      7.9      635      8.3     10.7     10.7
                             25...       0935      --     10.0      636      8.3     10.0     10.6
                             25...       0936      --     12.0      635      8.3      9.6     10.5
                             25...       0937      --     12.5      635      8.3      9.5     10.6
                           JUL
                             26...       1425    38.7       .00     617      8.2     22.5      9.0
                             26...       1426      --      2.0      619      8.3     21.8      9.1
                             26...       1427      --      4.3      622      8.3     21.4      9.1
                             26...       1428      --      6.2      624      8.3     21.1      9.0
                             26...       1429      --      7.9      626      8.3     20.3      8.6
                             26...       1430      --     10.0      630      8.3     19.8      8.1
                             26...       1431      --     11.8      634      8.2     18.9      7.7
                           SEP
                             26...       1250    37.7       .00     579      8.5     14.8      9.3
                             26...       1251      --      2.0      579      8.5     14.8      9.2
                             26...       1252      --      4.0      579      8.5     14.8      9.1
                             26...       1253      --      6.1      580      8.5     14.7      9.0
                             26...       1254      --      7.9      581      8.5     14.7      9.0

                             26...       1255      --     10.0      585      8.5     14.2      9.1
                             26...       1256      --     11.5      590      8.5     13.5      8.9


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  25...       111      710      59.0    14.0      135      7.0
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                JUL
                                  26...       112      709     125      31.0       90     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        98      714      70.0    17.0      305      7.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                       474330102113800  LAKE SAKAKAWEA, DEEPWATER BAY 2

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                    DEPTH    DEPTH     SPE-     PH
                                    TO TOP  TO BOT-   CIFIC    WATER    HARD-             MAGNE-   POTAS-   SODIUM
                                      OF    TOM OF     CON-    WHOLE    NESS    CALCIUM    SIUM,    SIUM,     AD-
                                    SAMPLE   SAMPLE   DUCT-     LAB     TOTAL    DIS-      DIS-     DIS-    SORP-
                                    INTER-   INTER-   ANCE    (STAND-   (MG/L    SOLVED   SOLVED   SOLVED    TION
                  DATE      TIME   VAL(IN   VAL(IN     LAB      ARD      AS      (MG/L    (MG/L    (MG/L    RATIO
                                   METERS)  METERS)  (US/CM)   UNITS)   CACO3)   AS CA)   AS MG)   AS K)
                                   (82047)  (82048)  (90095)  (00403)  (00900)  (00915)  (00925)  (00935)  (00931)

              MAY
                25...       0950      .0       .3      632      8.5      220      53       21       3.6       2
                25...       0955    15.8     16        635      8.4      220      52       21       3.5       2
              JUL
                26...       1450      .0       --      607      8.6      200      48       19       3.2       1
                26...       1455    13.6       --      607      8.4      200      48       19       3.2       1
              SEP
                26...       1315      .0       .2      569      8.4      200      47       19       3.3       1
                26...       1320    15.0     15        582      8.4      200      48       19       3.4       1


                                              ANC                       NITRO-
                                            UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   PHOS-
                          SODIUM,           TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,   PHORUS    PHOS-
                           DIS-               LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3    DIS-   PHORUS
                          SOLVED             (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    SOLVED   TOTAL
                  DATE     (MG/L    SODIUM    AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           AS NA)  PERCENT   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS P)    AS P)
                          (00930)  (00932)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00666)  (00665)

              MAY
                25...       54       34       160      9.3      160      .19     <.01     <.02      .01      .02
                25...       52       34       160      9.4      160      .25     <.01     <.02     <.01      .02
              JUL
                26...       47       34       150      9.6      150      .30     <.01     <.02      .01     <.02
                26...       47       34       150      9.4      150      .29     <.01     <.02     <.01      .02
              SEP
                26...       47       34       140      8.6      140      .14     <.01     <.02     <.01     <.02
                26...       48       34       140      8.5      140      .21     <.01     <.02     <.01     <.02


                          SOLIDS,  CHLOR-A  CHLOR-B
                          SUM OF    PHYTO-   PHYTO-  ALUMI-                               BERYL-
                          CONSTI-   PLANK-   PLANK-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                          TUENTS,    TON      TON     TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            DIS-   CHROMO   CHROMO   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                  DATE     SOLVED  FLUOROM  FLUOROM   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                           (MG/L)   (UG/L)   (UG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                          (70301)  (70953)  (70954)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

              MAY
                25...       397     <3.0       --      120      <1        9       52        2       150       3
                25...       394       --       --      200       1        4       52       <1       140       3
              JUL
                26...       367     <3.0     <1.0      <50      <1        2       51       <1       150      <1
                26...       367       --       --      <50      <1        2       54       <1       160      <1
              SEP
                26...       349      6.0     <1.0      <50      <1        2       51       <1       140      <1
                26...       351       --       --      <50      <1        3       55       <1       170      <1


                                                                                                   THAL-
                           CHRO-             IRON,            MANGAN-                              LIUM,
                           MIUM,   COPPER,   TOTAL    LEAD,     ESE    NICKEL,   SELE-   SILVER,   TOTAL    ZINC,
                           TOTAL    TOTAL    RECOV-   TOTAL    TOTAL    TOTAL    NIUM,    TOTAL    RECOV-   TOTAL
                          RECOVER  RECOVER   ERABLE  RECOVER  RECOVER  RECOVER   TOTAL   RECOVER   ERABLE  RECOVER
                  DATE     -ABLE    -ABLE    (UG/L    -ABLE   - ABLE    -ABLE    (UG/L    -ABLE    (UG/L    -ABLE
                           (UG/L)   (UG/L)   AS FE)   (UG/L)   (UG/L)   (UG/L)   AS SE)   (UG/L)   AS TL)   (UG/L)
                          (01118)  (01119)  (01045)  (01114)  (01123)  (01074)  (01147)  (01079)  (01128)  (01094)

              MAY
                25...       <1       <1       136      <1        17       4       15       <1       <1        9
                25...       <1        2       254      <1        15       4        6       <1       <1       10
              JUL
                26...       <1       <1       <10      <1       <10       4        1       <1       <1       13
                26...       <1        1       <10      <1       <10       3       <1       <1       <1       11
              SEP
                26...       <1        2       <10      <1       <10       2       <1       <1       <1        7
                26...       <1        2        33      <1       <10       2       <1       <1       <1       19


                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             25...       0940    53.5       .00     635      8.4     11.9     10.7
                             25...       0941      --      2.0      634      8.4     11.9     10.6
                             25...       0942      --      3.9      637      8.4     11.9     10.6
                             25...       0943      --      6.0      632      8.4     11.4     10.4
                             25...       0944      --      8.0      635      8.4     11.1     10.5
                             25...       0945      --     10.0      634      8.3     10.4     10.5
                             25...       0946      --     11.8      641      8.3     10.0     10.6
                             25...       0947      --     14.0      647      8.3      9.8     10.6
                             25...       0948      --     16.0      633      8.3      9.7     10.6
                             25...       0949      --     16.3      646      8.3      9.7     10.6
                           JUL
                             26...       1440    44.6       .00     623      8.4     22.7      8.9
                             26...       1441      --      2.4      624      8.4     21.6      9.0
                             26...       1442      --      5.0      627      8.4     21.1      8.8
                             26...       1443      --      7.4      628      8.4     20.2      8.6
                             26...       1444      --     10.1      629      8.4     19.7      8.2
                             26...       1445      --     12.0      630      8.2     18.6      7.3
                             26...       1446      --     13.6      624      8.2     17.5      7.2
                           SEP
                             26...       1305    50.5       .00     578      8.5     14.9      9.2
                             26...       1306      --      2.1      579      8.5     14.9      9.1
                             26...       1307      --      4.1      579      8.5     14.8      8.9
                             26...       1308      --      6.0      580      8.5     14.7      8.8
                             26...       1309      --      8.0      582      8.5     14.6      9.0
                             26...       1310      --     10.1      585      8.5     14.1      9.2
                             26...       1311      --     11.9      590      8.5     13.6      8.9
                             26...       1312      --     14.0      590      8.5     13.4      9.0
                             26...       1313      --     15.4      590      8.5     13.4      8.6



                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  25...       107      710      61.0    14.0      140      7.0
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                JUL
                                  26...       111      708     109      28.0       90     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        97      714      69.0    17.0      300     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        474323102114200  LAKE SAKAKAWEA, DEEPWATER BAY 3

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             25...       1000    52.8       .00     631      8.4     11.9     10.8
                             25...       1001      --      2.0      632      8.4     11.9     10.8
                             25...       1002      --      4.1      633      8.4     11.7     10.6
                             25...       1003      --      6.0      638      8.4     11.0     10.6
                             25...       1004      --      8.1      636      8.3     10.4     10.6
                             25...       1005      --     10.0      635      8.3     10.0     10.6
                             25...       1006      --     12.0      641      8.3      9.8     10.6
                             25...       1007      --     14.0      636      8.3      9.7     10.6
                             25...       1008      --     16.1      635      8.3      9.6     10.5
                           JUL
                             26...       1510    35.4       .00     619      8.4     22.7      8.8
                             26...       1511      --      2.7      622      8.4     21.4      8.9
                             26...       1512      --      5.1      627      8.4     20.5      8.6
                             26...       1513      --      7.5      627      8.4     20.3      8.4
                             26...       1514      --     10.1      628      8.4     20.1      8.2
                             26...       1515      --     10.8      629      8.3     19.8      8.0
                           SEP
                             26...       1320    50.8       .00     578      8.5     15.0      9.1
                             26...       1321      --      2.1      578      8.5     15.0      9.0
                             26...       1322      --      4.0      578      8.5     15.0      9.0
                             26...       1323      --      6.1      579      8.5     14.9      9.0
                             26...       1324      --      8.0      582      8.5     14.8      9.0
                             26...       1325      --     10.0      582      8.5     14.8      8.8
                             26...       1326      --     12.1      586      8.5     14.2      8.8
                             26...       1327      --     14.2      586      8.5     14.1      8.9
                             26...       1328      --     15.5      589      8.5     13.8      8.8


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  25...       108      710      55.0    15.0      135      5.0
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                JUL
                                  26...       110      708     119      31.0       85     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                SEP
                                  26...        96      715      68.0    18.0       15      7.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        474329102101800  LAKE SAKAKAWEA, DEEPWATER BAY 4

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             25...       1015    38.0       .00     647      8.4     12.9     10.3
                             25...       1016      --      2.0      644      8.4     12.8     10.2
                             25...       1017      --      4.0      648      8.4     12.7     10.1
                             25...       1018      --      6.0      646      8.4     12.7     10.1
                             25...       1019      --      7.9      640      8.4     11.8     10.0
                             25...       1020      --     10.1      643      8.3     11.0     10.0
                             25...       1021      --     11.6      645      8.3     10.7     10.1
                           JUL
                             24...       1225    38.7       .00     617      8.2     21.1      9.1
                             24...       1226      --      2.0      623      8.2     21.1      9.0
                             24...       1227      --      4.0      625      8.2     21.0      9.0
                             24...       1228      --      6.0      625      8.3     20.7      9.0
                             24...       1229      --      8.0      627      8.3     20.4      8.9
                             24...       1230      --     10.0      629      8.3     20.3      8.8
                             24...       1231      --     11.8      628      8.3     20.2      8.7
                           SEP
                             26...       1330    35.4       .00     580      8.5     15.0      9.4
                             26...       1331      --      2.1      579      8.5     14.9      9.4
                             26...       1332      --      4.0      581      8.5     14.8      9.4
                             26...       1333      --      6.0      583      8.5     14.5      9.4
                             26...       1334      --      7.9      586      8.5     14.1      9.3
                             26...       1335      --     10.0      595      8.5     13.1      9.1
                             26...       1336      --     10.8      599      8.5     12.9      8.9


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  25...       105      710      47.0    16.0      125      9.0
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                  25...        --       --       --       --       --       --
                                JUL
                                  24...       110      706     103      25.0      265      9.0
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                SEP
                                  26...       100      714      77.0    18.0       10      7.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        474323102101500  LAKE SAKAKAWEA, DEEPWATER BAY 5

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                    DEPTH    DEPTH     SPE-     PH
                                    TO TOP  TO BOT-   CIFIC    WATER    HARD-             MAGNE-   POTAS-   SODIUM
                                      OF    TOM OF     CON-    WHOLE    NESS    CALCIUM    SIUM,    SIUM,     AD-
                                    SAMPLE   SAMPLE   DUCT-     LAB     TOTAL    DIS-      DIS-     DIS-    SORP-
                                    INTER-   INTER-   ANCE    (STAND-   (MG/L    SOLVED   SOLVED   SOLVED    TION
                  DATE      TIME   VAL(IN   VAL(IN     LAB      ARD      AS      (MG/L    (MG/L    (MG/L    RATIO
                                   METERS)  METERS)  (US/CM)   UNITS)   CACO3)   AS CA)   AS MG)   AS K)
                                   (82047)  (82048)  (90095)  (00403)  (00900)  (00915)  (00925)  (00935)  (00931)

              MAY
                24...       0850      .0       .3      629      8.4      220      52       21       3.4       2
                24...       0855    10.9     11        627      8.4      220      52       21       3.5       2
              JUL
                24...       1215      .0       --      608       --      200      48       19       3.2       1
                24...       1220    12.9       --      611      8.5      200      49       20       3.2       1
              SEP
                26...       1350      .0       .2      572      8.4      200      48       19       3.4       1
                26...       1355    10.2     10.4      585      8.4      200      48       19       3.4       2


                                              ANC                       NITRO-
                                            UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   PHOS-
                          SODIUM,           TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,   PHORUS    PHOS-
                           DIS-               LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3    DIS-   PHORUS
                          SOLVED             (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    SOLVED   TOTAL
                  DATE     (MG/L    SODIUM    AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           AS NA)  PERCENT   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS P)    AS P)
                          (00930)  (00932)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00666)  (00665)

              MAY
                24...       52       34       160      9.2      160      .08     <.01     <.02      .02      .03
                24...       53       34       160      9.2      160     <.08     <.01     <.02     <.01      .03
              JUL
                24...       47       34       150      9.6      150      .40     <.01     <.02      .01     <.02
                24...       48       33       160      9.6      150      .27     <.01     <.02      .01      .02
              SEP
                26...       48       34       140      8.4      140      .14     <.01     <.02     <.01     <.02
                26...       49       35       150      8.5      140      .24     <.01     <.02     <.01     <.02


                          SOLIDS,  CHLOR-A  CHLOR-B
                          SUM OF    PHYTO-   PHYTO-  ALUMI-                               BERYL-
                          CONSTI-   PLANK-   PLANK-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                          TUENTS,    TON      TON     TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            DIS-   CHROMO   CHROMO   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                  DATE     SOLVED  FLUOROM  FLUOROM   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                           (MG/L)   (UG/L)   (UG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                          (70301)  (70953)  (70954)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

              MAY
                24...       394     <3.0       --      140      <1        2       56       <1       180      <1
                24...       395       --       --      180      <1        2       57       <1       180      <1
              JUL
                24...       367     <3.0     <1.0      <50      <1        2       53       <1       150      <1
                24...       376       --       --      <50      <1        2       54       <1       160      <1
              SEP
                26...       351     <3.0     <1.0      <50      <1        2       52       <1       130      <1
                26...       358       --       --      <50      <1        3       54       <1       150      <1


                                                                                                   THAL-
                           CHRO-             IRON,            MANGAN-                              LIUM,
                           MIUM,   COPPER,   TOTAL    LEAD,     ESE    NICKEL,   SELE-   SILVER,   TOTAL    ZINC,
                           TOTAL    TOTAL    RECOV-   TOTAL    TOTAL    TOTAL    NIUM,    TOTAL    RECOV-   TOTAL
                          RECOVER  RECOVER   ERABLE  RECOVER  RECOVER  RECOVER   TOTAL   RECOVER   ERABLE  RECOVER
                  DATE     -ABLE    -ABLE    (UG/L    -ABLE   - ABLE    -ABLE    (UG/L    -ABLE    (UG/L    -ABLE
                           (UG/L)   (UG/L)   AS FE)   (UG/L)   (UG/L)   (UG/L)   AS SE)   (UG/L)   AS TL)   (UG/L)
                          (01118)  (01119)  (01045)  (01114)  (01123)  (01074)  (01147)  (01079)  (01128)  (01094)

              MAY
                24...       <1       <1       181      <1        30       4       <1       <1       <1       10
                24...       <1        2       260      <1        34       3       <1       <1       <1       12
              JUL
                24...       <1       <1       <10      <1       <10       6       <1       <1       <1       13
                24...       <1       <1       <10      <1       <10       3       <1       <1       <1       12
              SEP
                26...       <1        2        13      <1       <10       3       <1       <1       <1        7
                26...       <1        2        40      <1       <10       2       <1       <1       <1       13


                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             24...       0840    37.4       .00     635      8.3     12.3     10.8
                             24...       0841      --      2.1      635      8.4     12.2     10.7
                             24...       0842      --      4.2      641      8.4     12.2     10.6
                             24...       0843      --      6.2      641      8.4     12.2     10.6
                             24...       0844      --      8.0      642      8.4     12.1     10.5
                             24...       0845      --     10.4      641      8.3     12.2     10.5
                             24...       0846      --     11.4      641      8.3     11.8     10.2
                           JUL
                             24...       1205    42.3       .00     612      7.8     21.0     10.0
                             24...       1206      --      2.0      621      8.0     21.1      9.4
                             24...       1207      --      4.2      622      8.2     21.0      9.2
                             24...       1208      --      6.0      623      8.2     20.9      9.2
                             24...       1209      --      8.0      622      8.3     20.7      9.2
                             24...       1210      --     10.0      625      8.3     20.3      9.0
                             24...       1211      --     12.0      630      8.2     19.7      8.6
                             24...       1212      --     12.9      632      8.2     19.6      8.3
                           SEP
                             26...       1340    34.1       .00     578      8.5     15.1      9.4
                             26...       1341      --      2.0      581      8.5     15.0      9.5
                             26...       1342      --      4.0      581      8.5     14.9      9.5
                             26...       1343      --      6.1      581      8.5     14.8      9.4
                             26...       1344      --      8.0      588      8.6     13.8      9.6
                             26...       1345      --     10.4      588      8.6     12.7      9.4


                                            OXYGEN,   BARO-                      WIND
                                              DIS-    METRIC   TRANS-            DIREC-
                                             SOLVED   PRES-     PAR-              TION    WIND
                                             (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                              CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                                    DATE     SATUR-     OF     DISK)     AIR      TRUE     PER
                                             ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                            (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                                MAY
                                  24...        --       --      33.0    11.0      265     15
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                JUL
                                  24...       122      707     109      24.5      280     10
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                  24...        --       --       --       --       --       --
                                SEP
                                  26...       100      714      72.0    18.0       10     <5.0
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --
                                  26...        --       --       --       --       --       --



                                        474317102100800  LAKE SAKAKAWEA, DEEPWATER BAY 6

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                                             PH
                                                                   SPE-     WATER
                                                                   CIFIC    WHOLE
                                                 RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                               DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                 (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                           MAY
                             25...       1025    34.8       .00     641      8.4     12.5     10.6
                             25...       1026      --      2.0      638      8.4     12.5     10.2
                             25...       1027      --      4.0      632      8.4     12.3     10.2
                             25...       1028      --      6.0      635      8.4     11.9     10.2
                             25...       1029      --      8.0      640      8.4     11.8     10.1
                             25...       1030      --     10.0      634      8.4     11.3     10.1
                             25...       1031      --     10.6      636      8.3     11.1     10.1
                           JUL
                             24...       1150    18.0       .00     625      7.8     21.1      9.3
                             24...       1151      --      2.1      625      7.9     21.1      9.2
                             24...       1152      --      4.0      625      8.0     21.1      9.2
                             24...       1153      --      5.5      624      8.1     21.0      9.2
                           SEP
                             26...       1355    34.1       .00     579      8.5     15.1      9.1
                             26...       1356      --      2.1      580      8.5     15.1      9.1
                             26...       1357      --      4.0      580      8.5     15.0      9.1
                             26...       1358      --      6.1      580      8.5     15.0      9.0
                             26...       1359      --      8.2      584      8.5     14.5      9.3
                             26...       1400      --     10.4      585      8.6     12.8      8.8


                                       OXYGEN,   BARO-                               WIND
                                         DIS-    METRIC            TRANS-            DIREC-
                                        SOLVED   PRES-              PAR-              TION    WIND
                                        (PER-     SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                         CENT     (MM    THICK-   (SECCHI   ATURE     FROM   (MILES
                               DATE     SATUR-     OF    NESS      DISK)     AIR      TRUE     PER
                                        ATION)    HG)    METERS     (IN)   (DEG C)   NORTH)   HOUR)
                                       (00301)  (00025)  (82131)  (00077)  (00020)  (00036)  (00035)

                           MAY
                             25...       107      710     55.1      55.0    16.0      125      8.0
                             25...        --       --       --       --       --       --       --
                             25...        --       --       --       --       --       --       --
                             25...        --       --       --       --       --       --       --
                             25...        --       --       --       --       --       --       --
                             25...        --       --       --       --       --       --       --
                             25...        --       --       --       --       --       --       --
                           JUL
                             24...       113      708       --     100      24.0      280     13
                             24...        --       --       --       --       --       --       --
                             24...        --       --       --       --       --       --       --
                             24...        --       --       --       --       --       --       --
                           SEP
                             26...        97      713       --      70.0    17.0      360      7.0
                             26...        --       --       --       --       --       --       --
                             26...        --       --       --       --       --       --       --
                             26...        --       --       --       --       --       --       --
                             26...        --       --       --       --       --       --       --
                             26...        --       --       --       --       --       --       --



                                       473633101161400  LAKE SAKAKAWEA NEAR LAKE AUDUBON

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                               DEPTH    DEPTH     SPE-     PH
                               TO TOP  TO BOT-   CIFIC    WATER    HARD-             MAGNE-   POTAS-   SODIUM
                                 OF    TOM OF     CON-    WHOLE    NESS    CALCIUM    SIUM,    SIUM,     AD-   SODIUM,
                               SAMPLE   SAMPLE   DUCT-     LAB     TOTAL    DIS-      DIS-     DIS-    SORP-    DIS-
                               INTER-   INTER-   ANCE    (STAND-   (MG/L    SOLVED   SOLVED   SOLVED    TION   SOLVED
             DATE      TIME   VAL(IN   VAL(IN     LAB      ARD      AS      (MG/L    (MG/L    (MG/L    RATIO    (MG/L
                              METERS)  METERS)  (US/CM)   UNITS)   CACO3)   AS CA)   AS MG)   AS K)             AS NA)
                              (82047)  (82048)  (90095)  (00403)  (00900)  (00915)  (00925)  (00935)  (00931)  (00930)

         OCT
           13...       1135      .00      --      643      8.4      210     49.9     20.6      3.8       2      57.3
           13...       1140    21.0       --      643      8.4      210     50.4     20.2      3.7       2      56.1
         NOV
           08...       1115      .00      --      645      8.4      210     50.0     20.6      3.9       2      55.4
           08...       1120    20.0       --      641      8.4      210     50.4     20.6      3.8       2      55.5
         DEC
           09...       1030      .00      .30     645      8.3      210     50.7     19.5      3.9       2      54.4
           09...       1035    19.7     20.0      646      8.3      210     51.1     19.7      3.9       2      54.5
         JAN
           28...       1110      .50      --      667      8.2      220     52.2     21.2      3.9       2      61.2
           28...       1120    12.0       --      667      8.3      210     51.5     20.9      3.8       2      60.5
         MAY
           02...       1005      .00      --      630      8.3      190     47.3     18.7      3.7       2      54.1
           02...       1010    10.0       --      631      8.3      200     47.3     18.8      3.7       2      55.0
           02...       1015      .00     3.6       --       --       --       --       --       --       --       --
           22...       0945      .00      --      613      8.3      190     46.4     18.9      3.6       2      54.4
           22...       0950     7.0       --      612      8.3      190     46.4     19.0      3.3       2      54.7
           22...       0955     8.0       --      612      8.3      190     45.8     18.8      3.5       2      54.3
           22...       1000    10.2       --      614      8.2      190     46.4     18.9      3.4       2      55.2
           22...       1005      .00     3.4       --       --       --       --       --       --       --       --
         JUN
           07...       1000      .00      --      612      8.2      190     44.9     18.4      3.8       2      54.5
           07...       1005      .00     3.2       --       --       --       --       --       --       --       --
           07...       1010    20.0       --      625      8.0      190     45.2     18.4      4.1       2      55.3
           27...       1030      .00      --      609      8.4      190     45.3     18.4      3.5       2      53.6
           27...       1035    16.0       --      612      8.4      190     45.5     18.6      3.5       2      54.6
           27...       1040    19.9       --      618      8.1      190     45.8     18.6      3.4       2      54.2
           27...       1045      .00     2.9       --       --       --       --       --       --       --       --
         JUL
           20...       1240      .00      --      606      8.5      190     45.3     18.3      3.6       2      52.0
           20...       1245    12.5       --      610      8.4      190     46.0     18.4      3.7       2      52.4
           20...       1250      .00     4.0       --       --       --       --       --       --       --       --
         AUG
           29...       1010      .00      .30     618      8.4      200     48.7     19.7      3.5       2      55.4
           29...       1015    18.8     19.1      620      8.4      200     49.0     19.8      3.6       2      53.8
           29...       1020      .00     2.1       --       --       --       --       --       --       --       --
         SEP
           25...       0935      .00      .30     645      8.5      210     48.5     20.4      4.0       2      57.9
           25...       0940    15.7     16.0      652      8.4      210     48.9     20.5      3.9       2      57.8
           25...       0945    18.6     18.9      657      8.4      210     49.7     20.7      3.8       2      57.2


                                ANC                                         NITRO-   NITRO-   NITRO-   NITRO-
                              UNFLTRD   CHLO-    FLUO-   SILICA,           GEN,AM-    GEN,     GEN,     GEN,    NITRO-
                              TIT 4.5   RIDE,    RIDE,    DIS-    SULFATE  MONIA +  AMMONIA  NITRITE  NO2+NO3    GEN,
                                LAB     DIS-      DIS-    SOLVED   DIS-    ORGANIC    DIS-     DIS-     DIS-   ORGANIC
                               (MG/L    SOLVED   SOLVED   (MG/L    SOLVED   TOTAL    SOLVED   SOLVED   SOLVED   TOTAL
             DATE     SODIUM    AS      (MG/L    (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                     PERCENT   CACO3)   AS CL)   AS F)    SIO2)   AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                     (00932)  (90410)  (00940)  (00950)  (00955)  (00945)  (00625)  (00608)  (00613)  (00631)  (00605)

         OCT
           13...       37       160      9.1       .5      4.7      163       .23    <.020    <.010    <.050      --
           13...       36       160      9.3       .5      4.8      166       .49    <.020    <.010    <.050      --
         NOV
           08...       36       157      8.7       .6      5.2      164       .15    <.020    <.010     .055      --
           08...       36       154      9.0       .6      5.2      163       .17    <.020    <.010     .052      --
         DEC
           09...       36       158      9.0       .5      5.5      167       .22    <.020    <.010    <.050      --
           09...       36       158      8.9       .5      5.5      165       .19    <.020    <.010    <.050      --
         JAN
           28...       37       162      8.3       .6      5.9      167       .22    <.020    <.010     .156      --
           28...       37       162      8.1       .6      5.8      167       .24     .020    <.010     .069      .22
         MAY
           02...       37       149      7.5       .5      6.0      154       .18    <.020    <.010     .050      --
           02...       37       149      7.4       .5      6.1      153       .23    <.020    <.010     .053      --
           02...        --       --       --       --       --       --       --       --       --       --       --
           22...       37       152      8.1       .5      5.9      154       .22    <.020    <.010    <.050      --
           22...       38       151      7.9       .5      6.1      154       .21    <.020    <.010    <.050      --
           22...       38       148      8.0       .4      6.0      153       .18    <.020    <.010    <.050      --
           22...       38       148      8.0       .4      6.2      154       .23    <.020    <.010     .053      --
           22...        --       --       --       --       --       --       --       --       --       --       --
         JUN
           07...       38       152      7.5       .4      6.3      151       .25    <.020    <.010    <.050      --
           07...        --       --       --       --       --       --       --       --       --       --       --
           07...       38       152      7.3       .4      6.5      152       .41    <.020    <.010     .059      --
           27...       38       149      7.3       .4      6.1      148       .20    <.020    <.010    <.050      --
           27...       38       149      7.6       .4      6.2      151       .28    <.020    <.010    <.050      --
           27...       38       153      7.5       .4      6.6      151       .42     .027    <.010    <.050      .40
           27...        --       --       --       --       --       --       --       --       --       --       --
         JUL
           20...       37       150      8.0       .5      6.1      147       .19    <.020    <.010    <.050      --
           20...       37       151      7.9       .6      6.2      148       .26    <.020    <.010    <.050      --
           20...        --       --       --       --       --       --       --       --       --       --       --
         AUG
           29...       37       156      8.1       .6      5.9      149       .20    <.020    <.010    <.050      --
           29...       36       157      8.2       .6      6.2      150       .21    <.020    <.010    <.050      --
           29...        --       --       --       --       --       --       --       --       --       --       --
         SEP
           25...       37       162      8.1       .5      5.9      157       .23    <.020    <.010    <.050      --
           25...       37       163      7.9       .5      6.0      158       .22    <.020    <.010    <.050      --
           25...       37       163      8.0       .5      6.1      159       .32     .020    <.010    <.050      .30


                               PHOS-                     SOLIDS,  SOLIDS,           CHLOR-A  CHLOR-B
                              PHORUS                     RESIDUE  SUM OF             PHYTO-   PHYTO-            MANGA-
                      NITRO-   ORTHO,   PHOS-   CARBON,  AT 180   CONSTI-            PLANK-   PLANK-   IRON,    NESE,
                       GEN,    DIS-    PHORUS   ORGANIC   DEG. C  TUENTS,    TUR-     TON      TON      DIS-     DIS-
                      TOTAL   SOLVED    TOTAL    TOTAL     DIS-     DIS-     BID-   CHROMO   CHROMO    SOLVED   SOLVED
             DATE     (MG/L   (MG/L     (MG/L    (MG/L    SOLVED   SOLVED    ITY    FLUOROM  FLUOROM   (UG/L    (UG/L
                      AS N)   AS P)     AS P)    AS C)    (MG/L)   (MG/L)   (NTU)    (UG/L)   (UG/L)   AS FE)   AS MN)
                     (00600)  (00671)  (00665)  (00680)  (70300)  (70301)  (00076)  (70953)  (70954)  (01046)  (01056)

         OCT
           13...        --     <.010    <.050     4.3      411      405      1.3       --       --      <10      E2
           13...        --     <.010    <.050     1.9      420      407      1.9       --       --      <10       3
         NOV
           08...        .20    <.010    <.050    E6.6      414      403      1.6       --       --      <10      <2
           08...        .22    <.010    <.050    E9.7      413      400      2.0       --       --      <10      <2
         DEC
           09...        --     <.010    <.050     3.2      417      406      1.5       --       --      <10      E1
           09...        --     <.010    <.050     7.9      417      403      1.5       --       --      <10      E1
         JAN
           28...        .38    <.010    <.050     3.6      428      418       .6       --       --      <10      E1
           28...        .31    <.010    <.050     3.3      430      416       .7       --       --       20       3
         MAY
           02...        .23    <.010    <.050     4.4      390      381      1.6       --       --      <10       3
           02...        .28    <.010    <.050     3.5      389      382      1.7       --       --      <10       5
           02...        --       --       --       --       --       --       --       .3      <.1       --       --
           22...        --     <.010    <.050     4.6      396      383       .9       --       --      <10      E1
           22...        --     <.010    <.050     4.5      394      382       .7       --       --      <10      <2
           22...        --     <.010    <.050     4.4      386      379      1.7       --       --      <10      <2
           22...        .28    <.010    <.050     4.0      394      382      2.1       --       --      <10      <2
           22...        --       --       --       --       --       --       --       .5      <.1       --       --
         JUN
           07...        --     <.010    <.050     3.7      395      378       .9       --       --       10       3
           07...        --       --       --       --       --       --       --       .6      <.1       --       --
           07...        .47    <.010    E.031     5.3      402      380      9.1       --       --      <10      16
           27...        --     <.010    <.050     5.6      389      372      1.3       --       --      <10      E1
           27...        --     <.010    <.050     3.8      391      377      2.7       --       --      <10       3
           27...        --     <.010    E.033     4.8      395      380      7.0       --       --      <10      36
           27...        --       --       --       --       --       --       --       .8      <.1       --       --
         JUL
           20...        --     <.010    <.050     3.9      389      372      1.7       --       --      <10      <2
           20...        --     <.010    <.050     3.2      391      374      3.6       --       --       30       4
           20...        --       --       --       --       --       --       --      <.1      <.1       --       --
         AUG
           29...        --     <.010    <.050     3.5      398      384      2.1       --       --      <10      E2
           29...        --     <.010    <.050     3.6      397      386      4.6       --       --      <10       6
           29...        --       --       --       --       --       --       --      1.1      <.1       --       --
         SEP
           25...        --     <.010    <.050     3.6      410      400      1.0       --       --      <10      <2
           25...        --     <.010    <.050     3.7      409      401      1.2       --       --      <10       2
           25...        --     <.010    <.050     4.0      412      403      1.0       --       --      <10       4


                                                                                  PH                TUR-
                                                                        SPE-     WATER              BID-
                                             ELEV-                      CIFIC    WHOLE              ITY
                                             ATION    RESER-    SAM-    CON-     FIELD   TEMPER-   FIELD
                                             ABOVE     VOIR    PLING    DUCT-   (STAND-   ATURE    WATER
                           DATE      TIME     NGVD    DEPTH    DEPTH    ANCE      ARD     WATER   UNFLTRD
                                             (FEET)   (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (NTU)
                                            (72020)  (72025)  (00098)  (00095)  (00400)  (00010)  (61028)

                       OCT
                         13...       1100   1843.20   68.9       .00     648      8.2     12.0       1
                         13...       1102      --       --      1.0      658      8.2     12.0       2
                         13...       1104      --       --      2.0      657      8.3     12.0       1
                         13...       1106      --       --      3.0      658      8.4     12.0       1
                         13...       1108      --       --      4.0      659      8.4     12.0       2
                         13...       1110      --       --      5.0      659      8.4     12.0       2
                         13...       1112      --       --      6.0      658      8.4     12.0       1
                         13...       1114      --       --      7.0      658      8.4     12.0       2
                         13...       1116      --       --      8.0      659      8.4     12.0       3
                         13...       1118      --       --     10.0      658      8.5     12.0       3
                         13...       1120      --       --     12.0      659      8.5     11.7       4
                         13...       1122      --       --     14.0      660      8.5     11.7       4
                         13...       1124      --       --     16.0      659      8.5     11.8       3
                         13...       1126      --       --     18.0      659      8.5     11.7       5
                         13...       1128      --       --     20.0      659      8.5     11.8       4
                         13...       1130      --       --     21.0      659      8.5     11.8       5
                       NOV
                         08...       1050   1842.30   65.6       .00     660      8.3      8.6       0
                         08...       1052      --       --      2.0      658      8.3      8.6       0
                         08...       1054      --       --      4.0      658      8.3      8.5       0
                         08...       1056      --       --      6.0      659      8.3      8.5       0
                         08...       1058      --       --      8.0      657      8.3      8.5       0
                         08...       1100      --       --     10.0      659      8.3      8.4       1
                         08...       1102      --       --     12.0      662      8.3      8.0       2
                         08...       1104      --       --     14.0      662      8.3      7.9       3
                         08...       1106      --       --     16.0      664      8.4      7.9       5
                         08...       1108      --       --     18.0      663      8.4      7.9       3
                         08...       1110      --       --     20.0      665      8.4      7.8       8
                       DEC
                         09...       1015   1841.00   65.6       .00     659      8.0      2.8       --
                         09...       1016      --       --      1.0      659      8.0      2.8      11
                         09...       1017      --       --      2.0       --      8.1      2.8      12
                         09...       1018      --       --      4.0      660      8.1      2.8      13
                         09...       1019      --       --      6.1      660      8.1      2.8      12
                         09...       1020      --       --      8.0      660      8.1      2.8      12
                         09...       1021      --       --      9.8      659      8.1      2.9      13
                         09...       1022      --       --     12.1      659      8.5      2.9      18
                         09...       1023      --       --     15.1      658      8.2      3.1      13
                         09...       1024      --       --      8.1      658      8.5      3.2      13
                         09...       1025      --       --     20.0      659      8.2      3.2      15
                       JAN
                         28...       1055   1839.10   39.4       .00     688      7.8       .2       2
                         28...       1056      --       --      1.0      683      7.9       .4       3
                         28...       1057      --       --      1.9      681      7.9       .4       4
                         28...       1058      --       --      3.0      682      7.9       .5       3
                         28...       1059      --       --      3.9      681      8.0       .5       3
                         28...       1100      --       --      5.1      681      8.0       .4       4
                         28...       1101      --       --      6.3      682      8.1       .4       3
                         28...       1102      --       --      7.2      682      8.1       .4       3
                         28...       1103      --       --      8.2       --      8.1       .4       2
                         28...       1104      --       --      9.0      684      8.1       .4       2
                         28...       1105      --       --     10.3      684      8.1       .5       2
                         28...       1106      --       --     11.2      685      8.1       .5       2
                         28...       1107      --       --     12.0      685      8.1       .6       3
                       MAY
                         02...       0950   1835.40   33.8       .00     633      7.4     10.1       --
                         02...       0951      --       --      1.0      633      7.4      8.8      10
                         02...       0952      --       --      2.0      635      7.5      8.4      11
                         02...       0953      --       --      3.0      634      7.5      8.3      14
                         02...       0954      --       --      4.0      636      7.6      7.9      12
                         02...       0955      --       --      5.0      635      7.6      7.4      14
                         02...       0956      --       --      6.0      636      7.6      7.5      12
                         02...       0957      --       --      7.0      635      7.7      7.5      12
                         02...       0958      --       --      8.0      635      7.7      7.5      13
                         02...       0959      --       --      9.0      635      7.7      7.4      14
                         02...       1000      --       --     10.0      635      7.7      7.4      13
                         02...       1001      --       --     10.3      635      7.7      7.4      17
                         22...       0930   1835.20   33.5       .00     616      7.9     11.9       0
                         22...       0931      --       --      1.0      620      7.9     11.8       1
                         22...       0932      --       --      2.0      621      8.0     11.9       2
                         22...       0933      --       --      3.0      622      8.1     11.7       4
                         22...       0934      --       --      4.0      622      8.1     11.3       4
                         22...       0935      --       --      5.0      622      8.1     11.2       3
                         22...       0936      --       --      6.0      622      8.2     11.1       4
                         22...       0937      --       --      7.0      624      8.4     10.5       4
                         22...       0938      --       --      8.0      628      8.4      8.9       4
                         22...       0939      --       --      9.0      628      8.4      8.6       3
                         22...       0940      --       --     10.2      629      8.4      8.5       3


                                            OXYGEN,   BARO-                               WIND
                                              DIS-    METRIC            TRANS-            DIREC-
                                             SOLVED   PRES-              PAR-              TION    WIND
                                   OXYGEN,   (PER-     SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                     DIS-     CENT     (MM    THICK-   (SECCHI   ATURE     FROM   (MILES
                           DATE     SOLVED   SATUR-     OF    NESS      DISK)     AIR      TRUE     PER
                                    (MG/L)   ATION)    HG)    METERS     (IN)   (DEG C)   NORTH)   HOUR)
                                   (00300)  (00301)  (00025)  (82131)  (00077)  (00020)  (00036)  (00035)

                       OCT
                         13...      10.3      102      718       --      84.0     7.0      180     11
                         13...      10.1       --       --       --       --       --       --       --
                         13...      10.3       --       --       --       --       --       --       --
                         13...       9.9       --       --       --       --       --       --       --
                         13...       9.7       --       --       --       --       --       --       --
                         13...       9.7       --       --       --       --       --       --       --
                         13...       9.7       --       --       --       --       --       --       --
                         13...       9.7       --       --       --       --       --       --       --
                         13...       9.7       --       --       --       --       --       --       --
                         13...      10.2       --       --       --       --       --       --       --
                         13...       9.6       --       --       --       --       --       --       --
                         13...       9.5       --       --       --       --       --       --       --
                         13...       9.5       --       --       --       --       --       --       --
                         13...       9.6       --       --       --       --       --       --       --
                         13...       9.6       --       --       --       --       --       --       --
                         13...       9.6       --       --       --       --       --       --       --
                       NOV
                         08...      11.0      102      704       --      55.0    11.0      210     <5.0
                         08...      10.8       --       --       --       --       --       --       --
                         08...      10.8       --       --       --       --       --       --       --
                         08...      10.8       --       --       --       --       --       --       --
                         08...      10.7       --       --       --       --       --       --       --
                         08...      10.7       --       --       --       --       --       --       --
                         08...      10.7       --       --       --       --       --       --       --
                         08...      10.6       --       --       --       --       --       --       --
                         08...      10.6       --       --       --       --       --       --       --
                         08...      10.5       --       --       --       --       --       --       --
                         08...      10.4       --       --       --       --       --       --       --
                       DEC
                         09...      13.5      106      717       --      71.0     4.0      255      6.0
                         09...      13.4       --       --       --       --       --       --       --
                         09...      13.4       --       --       --       --       --       --       --
                         09...      13.4       --       --       --       --       --       --       --
                         09...      13.3       --       --       --       --       --       --       --
                         09...      13.3       --       --       --       --       --       --       --
                         09...      13.2       --       --       --       --       --       --       --
                         09...      13.2       --       --       --       --       --       --       --
                         09...      13.1       --       --       --       --       --       --       --
                         09...      13.1       --       --       --       --       --       --       --
                         09...      13.0       --       --       --       --       --       --       --
                       JAN
                         28...      17.2      125      722       .45    122      -1.0      360     <5.0
                         28...      15.6       --       --       --       --       --       --       --
                         28...      15.3       --       --       --       --       --       --       --
                         28...      15.2       --       --       --       --       --       --       --
                         28...      15.1       --       --       --       --       --       --       --
                         28...      15.1       --       --       --       --       --       --       --
                         28...      15.1       --       --       --       --       --       --       --
                         28...      15.1       --       --       --       --       --       --       --
                         28...      15.1       --       --       --       --       --       --       --
                         28...      15.1       --       --       --       --       --       --       --
                         28...      15.2       --       --       --       --       --       --       --
                         28...      15.1       --       --       --       --       --       --       --
                         28...      15.1       --       --       --       --       --       --       --
                       MAY
                         02...      12.8      122      710       --      71.0    15.0      230      5.0
                         02...      13.0       --       --       --       --       --       --       --
                         02...      13.2       --       --       --       --       --       --       --
                         02...      13.3       --       --       --       --       --       --       --
                         02...      13.4       --       --       --       --       --       --       --
                         02...      13.4       --       --       --       --       --       --       --
                         02...      13.4       --       --       --       --       --       --       --
                         02...      13.3       --       --       --       --       --       --       --
                         02...      13.3       --       --       --       --       --       --       --
                         02...      13.2       --       --       --       --       --       --       --
                         02...      13.2       --       --       --       --       --       --       --
                         02...      13.1       --       --       --       --       --       --       --
                         22...      11.9      120      700       --      66.0    18.5       --       --
                         22...      11.9       --       --       --       --       --       --       --
                         22...      11.9       --       --       --       --       --       --       --
                         22...      11.9       --       --       --       --       --       --       --
                         22...      11.9       --       --       --       --       --       --       --
                         22...      12.0       --       --       --       --       --       --       --
                         22...      12.0       --       --       --       --       --       --       --
                         22...      12.0       --       --       --       --       --       --       --
                         22...      12.4       --       --       --       --       --       --       --
                         22...      12.3       --       --       --       --       --       --       --
                         22...      12.2       --       --       --       --       --       --       --


                                                                                  PH                TUR-

                                                                        SPE-     WATER              BID-
                                             ELEV-                      CIFIC    WHOLE              ITY
                                             ATION    RESER-    SAM-    CON-     FIELD   TEMPER-   FIELD
                                             ABOVE     VOIR    PLING    DUCT-   (STAND-   ATURE    WATER
                           DATE      TIME     NGVD    DEPTH    DEPTH    ANCE      ARD     WATER   UNFLTRD
                                             (FEET)   (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (NTU)
                                            (72020)  (72025)  (00098)  (00095)  (00400)  (00010)  (61028)
                                                            
                       JUN
                         07...       0945   1836.00   65.6       .00     620      7.9     12.9       0
                         07...       0946      --       --      2.0      621      8.0     12.6       0
                         07...       0947      --       --      4.0      622      8.0     12.2       1
                         07...       0948      --       --      6.0      621      8.1     12.1       0
                         07...       0949      --       --      8.0      623      8.1     11.6       1
                         07...       0950      --       --     10.0      626      8.1     10.5       1
                         07...       0951      --       --     12.0      628      8.1     10.3       4
                         07...       0952      --       --     14.0      631      8.1     10.0      10
                         07...       0953      --       --     16.0      634      8.1      9.9      15
                         07...       0954      --       --     18.0      635      8.1      9.9      19
                         07...       0955      --       --     20.0      641      8.1      9.9      34
                         27...       1015   1837.50   65.3       .00     624      7.6     15.1       0
                         27...       1016      --       --      2.0      624      7.7     15.0       0
                         27...       1017      --       --      4.0      626      7.8     14.9       1
                         27...       1018      --       --      6.0      627      7.9     14.7       0
                         27...       1019      --       --      8.0      629      7.9     14.4       1
                         27...       1020      --       --     10.0      629      7.9     14.4       2
                         27...       1021      --       --     12.0      630      8.0     14.3       2
                         27...       1022      --       --     14.0      630      8.0     14.3       3
                         27...       1023      --       --     16.0      642      8.0     13.5      13
                         27...       1024      --       --     18.0      637      8.0     13.1      15
                         27...       1025      --       --     19.9      640      7.9     13.1      25
                       JUL
                         20...       1230   1837.60   41.3       .00     615      7.8     18.8       6
                         20...       1231      --       --      2.1      624      7.9     18.0       4
                         20...       1232      --       --      4.0      624      8.1     17.8       2
                         20...       1233      --       --      5.9      625      8.1     17.8       3
                         20...       1234      --       --      8.1      625      8.2     17.7       1
                         20...       1235      --       --     10.0      626      8.2     17.6       1
                         20...       1236      --       --     12.1      628      8.2     17.2       2
                         20...       1237      --       --     12.6      629      8.2     16.9       7
                       AUG
                         29...       0955   1834.60   62.7       .00     611      7.6     19.3       0
                         29...       0956      --       --      2.0      610      7.8     19.3       1
                         29...       0957      --       --      4.0      610      7.8     19.3       1
                         29...       0958      --       --      6.1      610      7.9     19.3       2
                         29...       0959      --       --      8.2      611      7.9     19.3       2
                         29...       1000      --       --     10.0      612      8.0     19.3       2
                         29...       1001      --       --     12.0      612      8.0     19.2       3
                         29...       1002      --       --     14.3      613      8.0     19.1       6
                         29...       1003      --       --     16.2      613      8.0     19.1       8
                         29...       1004      --       --     18.0      613      8.0     19.1      14
                         29...       1005      --       --     19.1      615      8.0     18.8      22
                       SEP
                         25...       0920   1832.90   62.0       .00     661      8.3     13.7       0
                         25...       0921      --       --      2.0      663      8.2     13.7       1
                         25...       0922      --       --      4.1      664      8.2     13.7       3
                         25...       0923      --       --      6.0      663      8.2     13.7       3
                         25...       0924      --       --      8.0      663      8.2     13.7       3
                         25...       0925      --       --     10.0      663      8.2     13.7       3
                         25...       0926      --       --     12.2      663      8.2     13.7       4
                         25...       0927      --       --     14.1      663      8.2     13.7       5
                         25...       0928      --       --     16.0      672      8.2     13.5      12
                         25...       0929      --       --     17.9      670      8.2     13.0      17
                         25...       0930      --       --     18.9      680      8.1     12.9      38


                              ANALYSES OF SAMPLES COLLECTED AT LAKE SAKAKAWEA WATER-QUALITY SITES

                                  473633101161400  LAKE SAKAKAWEA NEAR LAKE AUDUBON--Continued

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                                OXYGEN,   BARO-                      WIND
                                                  DIS-    METRIC   TRANS-            DIREC-
                                                 SOLVED   PRES-     PAR-              TION    WIND
                                       OXYGEN,   (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                         DIS-     CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                               DATE     SOLVED   SATUR-     OF     DISK)     AIR      TRUE     PER
                                        (MG/L)   ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                       (00300)  (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                           JUN
                             07...      11.5      117      708      63.0    19.0      215     <5.0
                             07...      11.5       --       --       --       --       --       --
                             07...      11.5       --       --       --       --       --       --
                             07...      11.5       --       --       --       --       --       --
                             07...      11.5       --       --       --       --       --       --
                             07...      11.3       --       --       --       --       --       --
                             07...      11.2       --       --       --       --       --       --
                             07...      10.9       --       --       --       --       --       --
                             07...      10.6       --       --       --       --       --       --
                             07...      10.4       --       --       --       --       --       --
                             07...      10.2       --       --       --       --       --       --
                             27...      10.4      110      719     185      17.2      220     <5.0
                             27...      10.2       --       --       --       --       --       --
                             27...      10.2       --       --       --       --       --       --
                             27...      10.1       --       --       --       --       --       --
                             27...      10.0       --       --       --       --       --       --
                             27...      10.0       --       --       --       --       --       --
                             27...       9.9       --       --       --       --       --       --
                             27...       9.8       --       --       --       --       --       --
                             27...       9.5       --       --       --       --       --       --
                             27...       8.7       --       --       --       --       --       --
                             27...       8.0       --       --       --       --       --       --
                           JUL
                             20...       9.9      113      716      81.1    20.0      150     <5.0
                             20...       9.8       --       --       --       --       --       --
                             20...       9.8       --       --       --       --       --       --
                             20...       9.6       --       --       --       --       --       --
                             20...       9.5       --       --       --       --       --       --
                             20...       9.4       --       --       --       --       --       --
                             20...       9.2       --       --       --       --       --       --
                             20...       9.1       --       --       --       --       --       --
                           AUG
                             29...       8.1       93      719      40.0    18.0      170      9.0
                             29...       7.9       --       --       --       --       --       --
                             29...       7.8       --       --       --       --       --       --
                             29...       7.8       --       --       --       --       --       --
                             29...       7.8       --       --       --       --       --       --
                             29...       7.7       --       --       --       --       --       --
                             29...       7.7       --       --       --       --       --       --
                             29...       7.5       --       --       --       --       --       --
                             29...       7.4       --       --       --       --       --       --
                             29...       7.3       --       --       --       --       --       --
                             29...       7.2       --       --       --       --       --       --
                           SEP
                             25...       9.2       95      718      73.0     9.0      200     <5.0
                             25...       9.5       --       --       --       --       --       --
                             25...      10.4       --       --       --       --       --       --
                             25...       9.2       --       --       --       --       --       --
                             25...       9.0       --       --       --       --       --       --
                             25...       9.0       --       --       --       --       --       --
                             25...       9.0       --       --       --       --       --       --
                             25...       8.9       --       --       --       --       --       --
                             25...       8.7       --       --       --       --       --       --
                             25...       8.4       --       --       --       --       --       --
                             25...       7.3       --       --       --       --       --       --



                              ANALYSES OF SAMPLES COLLECTED AT LAKE SAKAKAWEA WATER-QUALITY SITES

                                   473629101154100  LAKE AUDUBON NEAR SNAKE CREEK PUMP PLANT

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                               DEPTH    DEPTH     SPE-     PH
                               TO TOP  TO BOT-   CIFIC    WATER    HARD-             MAGNE-   POTAS-   SODIUM
                                 OF    TOM OF     CON-    WHOLE    NESS    CALCIUM    SIUM,    SIUM,     AD-   SODIUM,
                               SAMPLE   SAMPLE   DUCT-     LAB     TOTAL    DIS-      DIS-     DIS-    SORP-    DIS-
                               INTER-   INTER-   ANCE    (STAND-   (MG/L    SOLVED   SOLVED   SOLVED    TION   SOLVED
             DATE      TIME   VAL(IN   VAL(IN     LAB      ARD      AS      (MG/L    (MG/L    (MG/L    RATIO    (MG/L
                              METERS)  METERS)  (US/CM)   UNITS)   CACO3)   AS CA)   AS MG)   AS K)             AS NA)
                              (82047)  (82048)  (90095)  (00403)  (00900)  (00915)  (00925)  (00935)  (00931)  (00930)

         OCT
           13...       1245      .00      --      897      8.6      240     41.0     34.6      5.8       3      104
           13...       1250    13.0       --      895      8.5      250     40.7     35.3      6.1       3      107
         NOV
           08...       1220      .00      --      919      8.5      250     41.1     36.0      5.8       3      104
           08...       1225    14.0       --      915      8.5      250     41.1     35.9      5.9       3      105
         DEC
           09...       1125      .00      .30     924      8.4      250     41.1     35.2      6.5       3      105
           09...       1130    13.1     13.4      924      8.4      250     42.0     34.5      6.6       3      102
         JAN
           28...       0945      .50      --      992      8.3      270     44.4     39.2      6.7       3      121
           28...       0955    10.0       --      978      8.4      270     43.3     38.5      6.3       3      117
         APR
           24...       1035      .00      --      873      8.4      230     40.2     31.5      5.7       3       94.1
           24...       1040     9.7       --      905      8.4      230     39.9     31.3      6.5       3      102
           24...       1045      .00     3.4       --       --       --       --       --       --       --       --
         MAY
           22...       1110      .00      --      877      8.3      240     41.0     33.2      5.6       3      101
           22...       1115    12.5       --      874      8.4      240     41.3     33.2      5.4       3      101
           22...       1120      .00     1.7       --       --       --       --       --       --       --       --
         JUN
           07...       1110      .00      --      884      8.4      240     40.8     32.6      5.8       3      101
           07...       1115    13.1       --      888      8.4      240     40.7     32.7      5.8       3      101
           07...       1120      .00     3.6       --       --       --       --       --       --       --       --
           27...       1140      .00      --      889      8.6      240     40.2     33.3      5.6       3      103
           27...       1145    14.4       --      890      8.6      240     40.2     33.2      5.6       3      103
           27...       1150      .00     2.2       --       --       --       --       --       --       --       --
         JUL
           20...       1110      .00      --      893      8.6      240     39.9     34.0      6.1       3      104
           20...       1115    11.5       --      894      8.6      230     38.8     33.1      6.2       3      102
           20...       1120    12.5       --      895      8.4      230     39.5     32.6      6.2       3      101
           20...       1125    14.0       --      895      8.3      240     41.0     33.4      6.0       3      103
         AUG
           29...       1140      .00      .30     893      8.6      240     39.7     34.5      6.1       3      106
           29...       1145    13.2     13.5      881      8.6      240     39.4     34.6      5.8       3      107
           29...       1150      .00     2.7       --       --       --       --       --       --       --       --
         SEP
           25...       1035      .00      .30     907      8.6      240     39.4     34.0      6.2       3      105
           25...       1040    12.3     12.6      908      8.6      240     39.5     34.3      6.3       3      104


                                ANC                                         NITRO-   NITRO-   NITRO-   NITRO-
                              UNFLTRD   CHLO-    FLUO-   SILICA,           GEN,AM-    GEN,     GEN,     GEN,    NITRO-
                              TIT 4.5   RIDE,    RIDE,    DIS-    SULFATE  MONIA +  AMMONIA  NITRITE  NO2+NO3    GEN,
                                LAB     DIS-      DIS-    SOLVED   DIS-    ORGANIC    DIS-     DIS-     DIS-   ORGANIC
                               (MG/L    SOLVED   SOLVED   (MG/L    SOLVED   TOTAL    SOLVED   SOLVED   SOLVED   TOTAL
             DATE     SODIUM    AS      (MG/L    (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                     PERCENT   CACO3)   AS CL)   AS F)    SIO2)   AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                     (00932)  (90410)  (00940)  (00950)  (00955)  (00945)  (00625)  (00608)  (00613)  (00631)  (00605)

         OCT
           13...       47       212     13.3       .6      3.1      248       .25     .027    <.010    <.050      .22
           13...       48       212     13.1       .6      3.1      248       .67     .025    <.010    <.050      .64
         NOV
           08...       47       214     12.9       .7      3.1      252       .48     .032    <.010    <.050      .45
           08...       47       215     12.7       .6      3.1      251       .49    <.020    <.010    <.050      --
         DEC
           09...       47       216     12.9       .6      3.0      257       .53     .020    <.010    <.050      .51
           09...       47       216       --      1.8      6.3       --       .52     .020    <.010    <.050      .50
         JAN
           28...       48       232     13.3       .7      2.8      272       .51     .028    <.010    <.050      .49
           28...       48       229     12.9       .7      2.7      265       --      .042    <.010    <.050      --
         APR
           24...       46       201     11.5       .6      3.2      224       .42    <.020    <.010    <.050      --
           24...       48       205     13.9       .6      3.3      232       .39    <.020    <.010     .051      --
           24...        --       --       --       --       --       --       --       --       --       --       --
         MAY
           22...       47       204     11.9       .6      2.8      237       --       --       --       --       --
           22...       47       206     11.9       .6      3.0      236       --       --       --       --       --
           22...        --       --       --       --       --       --       --       --       --       --       --
         JUN
           07...       48       205     11.6       .6      1.4      242       .44    <.020    <.010    <.050      --
           07...       47       205     11.6       .6      1.3      242       .48    <.020    <.010    <.050      --
           07...        --       --       --       --       --       --       --       --       --       --       --
           27...       48       206     11.4       .5       .3      242       .44    <.020    <.010    <.050      --
           27...       48       206     11.8       .5       .3      244       .46    <.020    <.010    <.050      --
           27...        --       --       --       --       --       --       --       --       --       --       --
         JUL
           20...       48       204     12.1       .6       .6      245       .45    <.020    <.010    <.050      --
           20...       48       205     11.8       .6       .7      244       .47    <.020    <.010    <.050      --
           20...       48       207     12.0       .6      1.1      242       .49     .041     .010    <.050      .45
           20...       48       208     12.1       .6      1.4      242       .50     .040    <.010    <.050      .46
         AUG
           29...       48       206     11.9       .9      1.8      244       .47    <.020    <.010    <.050      --
           29...       48       206     11.9       .6      1.8      244       .46    <.020    <.010    <.050      --
           29...        --       --       --       --       --       --       --       --       --       --       --
         SEP
           25...       48       210     11.5       .6      1.8      246       .47    <.020    <.010    <.050      --
           25...       48       209     11.4       .6      1.9      246       .45    <.020    <.010    <.050      --


                               PHOS-                     SOLIDS,  SOLIDS,           CHLOR-A  CHLOR-B
                              PHORUS                     RESIDUE  SUM OF             PHYTO-   PHYTO-            MANGA-
                      NITRO-   ORTHO,   PHOS-   CARBON,  AT 180   CONSTI-            PLANK-   PLANK-   IRON,    NESE,
                       GEN,    DIS-    PHORUS   ORGANIC   DEG. C  TUENTS,    TUR-     TON      TON      DIS-     DIS-
                      TOTAL   SOLVED    TOTAL    TOTAL     DIS-     DIS-     BID-   CHROMO   CHROMO    SOLVED   SOLVED
             DATE     (MG/L   (MG/L     (MG/L    (MG/L    SOLVED   SOLVED    ITY    FLUOROM  FLUOROM   (UG/L    (UG/L
                      AS N)   AS P)     AS P)    AS C)    (MG/L)   (MG/L)   (NTU)    (UG/L)   (UG/L)   AS FE)   AS MN)
                     (00600)  (00671)  (00665)  (00680)  (70300)  (70301)  (00076)  (70953)  (70954)  (01046)  (01056)

         OCT
           13...        --     <.010    <.050     5.9      588      578       .6       --       --      <10      E2
           13...        --     <.010    E.036     5.9      599      580      1.2       --       --      <10      E2
         NOV
           08...        --     <.010    <.050    E5.8      592      584      1.4       --       --      <10      <2
           08...        --     <.010    <.050      --      608      583       .9       --       --      <10      <2
         DEC
           09...        --     <.010    <.050     7.2      605      591       .7       --       --      <10       2
           09...        --     <.010    <.050     7.6      681       --      1.2       --       --      <10      E2
         JAN
           28...        --     <.010    <.050     6.2      655      639       .4       --       --      E10      <2
           28...        --     <.010      --      6.2      647      624       .5       --       --      <10       5
         APR
           24...        --     <.010    <.050     5.9      561      531      1.5       --       --      <10      E2
           24...        .44    <.010    <.050     6.0      579      552      1.7       --       --      <10      <2
           24...        --       --       --       --       --       --       --       .3      <.1       --       --
         MAY
           22...        --       --       --      5.3      576      556      2.2       --       --      <10      <2
           22...        --       --       --      6.3      575      556      4.4       --       --       10      E1
           22...        --       --       --       --       --       --       --       .9      <.1       --       --
         JUN
           07...        --     <.010    <.050     7.0      575      560      3.5       --       --      <10      <2
           07...        --     <.010    <.050     4.8      578      559      3.5       --       --      E10      E1
           07...        --       --       --       --       --       --       --      1.0       .1       --       --
           27...        --     <.010    <.050     6.0      580      561      4.1       --       --      E10      E1
           27...        --     <.010    <.050     5.4      580      563      3.1       --       --      <10      <2
           27...        --       --       --       --       --       --       --       .9      <.1       --       --
         JUL
           20...        --     <.010    <.050     5.4      587      564      2.6      1.0      <.1       30       4
           20...        --     <.010    <.050     6.7      587      560      3.4       --       --      <10      <2
           20...        --     <.010    <.050     4.7      587      559      4.1       --       --      <10      <2
           20...        --     <.010    <.050     6.1      584      564      4.3       --       --       20       4
         AUG
           29...        --     <.010    <.050     6.8      591      568       .6       --       --      <10       3
           29...        --     <.010    <.050     5.5      587      569      7.1       --       --      <10       3
           29...        --       --       --       --       --       --       --      3.2       .4       --       --
         SEP
           25...        --     <.010    <.050     6.0      590      570      1.0       --       --      <10      <2
           25...        --     <.010    <.050     6.1      573      569      1.4       --       --      <10      E1


                                                                                  PH                TUR-
                                                                        SPE-     WATER              BID-
                                             ELEV-                      CIFIC    WHOLE              ITY
                                             ATION    RESER-    SAM-    CON-     FIELD   TEMPER-   FIELD
                                             ABOVE     VOIR    PLING    DUCT-   (STAND-   ATURE    WATER
                           DATE      TIME     NGVD    DEPTH    DEPTH    ANCE      ARD     WATER   UNFLTRD
                                             (FEET)   (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (NTU)
                                            (72020)  (72025)  (00098)  (00095)  (00400)  (00010)  (61028)

                       OCT
                         13...       1230   1845.70   42.6       .00     924      8.7      9.4       2
                         13...       1232      --       --      2.0      923      8.7      9.5       1
                         13...       1234      --       --      4.0      923      8.7      9.5       1
                         13...       1236      --       --      6.0      924      8.7      9.5       1
                         13...       1238      --       --      8.0      925      8.7      9.5       1
                         13...       1240      --       --     10.0      924      8.7      9.5       1
                         13...       1242      --       --     12.0      924      8.7      9.5       1
                         13...       1244      --       --     13.0      924      8.7      9.5       1
                       NOV
                         08...       1200   1844.80   45.9       .00     936      8.4      5.4       0
                         08...       1202      --       --      2.0      940      8.4      5.3       0
                         08...       1204      --       --      4.0      940      8.5      5.3       0
                         08...       1206      --       --      6.0      940      8.5      5.3       0
                         08...       1208      --       --      8.0      941      8.5      5.2       0
                         08...       1210      --       --     10.0      940      8.5      5.2       0
                         08...       1212      --       --     12.0      941      8.5      5.2       0
                         08...       1214      --       --     14.0      940      8.5      5.2       2
                       DEC
                         09...       1115   1844.70   44.0       .00     946      8.0      1.0       0
                         09...       1116      --       --      1.0      947      8.0      1.0       6
                         09...       1117      --       --      2.1      947      8.0      1.0       7
                         09...       1118      --       --      3.1      944      8.1      1.0       7
                         09...       1119      --       --      5.0      946      8.2      1.0       7
                         09...       1120      --       --      7.1      946      8.2      1.0       7
                         09...       1121      --       --      9.0      945      8.2      1.0       6
                         09...       1122      --       --     11.0      946      8.2      1.1       6
                         09...       1123      --       --     13.0      946      8.2      1.2       6
                         09...       1124      --       --     13.4      946      8.2      1.2       6
                       JAN
                         28...       0930   1844.70   32.8       .00    1030      7.8       .9       0
                         28...       0931      --       --      1.0     1000      8.1      1.2       0
                         28...       0932      --       --      2.3     1010      8.1      1.3       0
                         28...       0933      --       --      3.2     1010      8.2      1.4       0
                         28...       0934      --       --      4.0     1000      8.2      1.6       0
                         28...       0935      --       --      4.9      999      8.3      1.6       0
                         28...       0936      --       --      6.0      998      8.3      1.7       0
                         28...       0937      --       --      7.4      997      8.3      1.9       0
                         28...       0938      --       --      8.6      997      8.3      2.0       0
                         28...       0939      --       --      9.9     1000      8.3      2.0       0
                         28...       0940      --       --     10.0     1000      8.3      2.0       0
                       APR
                         24...       1120   1846.80   31.8       .00     877      8.2      7.9       0
                         24...       1121      --       --      1.0      876      8.2      7.8       0
                         24...       1122      --       --      2.0      878      8.3      6.8       0
                         24...       1123      --       --      3.0      878      8.3      6.2       0
                         24...       1124      --       --      4.0      877      8.3      6.1       0
                         24...       1125      --       --      5.0      875      8.4      6.0       0
                         24...       1126      --       --      6.0      875      8.4      5.9       0
                         24...       1127      --       --      7.0      875      8.4      5.9       0
                         24...       1128      --       --      8.0      875      8.4      5.8       0
                         24...       1129      --       --      9.0      876      8.4      5.7       1
                         24...       1130      --       --      9.7      876      8.4      5.7       1
                       MAY
                         22...       1055   1847.00   41.0       .00     890      8.3     12.5       0
                         22...       1056      --       --      1.0      889      8.4     12.5       0
                         22...       1057      --       --      2.0      890      8.4     12.5       1
                         22...       1058      --       --      3.0      889      8.4     12.5       1
                         22...       1059      --       --      4.0      889      8.4     12.4       1
                         22...       1100      --       --      5.0      890      8.4     12.2       3
                         22...       1101      --       --      6.0      890      8.4     12.2       2
                         22...       1102      --       --      7.0      890      8.4     12.1       5
                         22...       1103      --       --      8.0      892      8.4     11.9      12
                         22...       1104      --       --      9.0      890      8.4     11.8      10
                         22...       1105      --       --     10.0      891      8.4     11.6      10
                         22...       1106      --       --     11.0      890      8.4     11.6      11
                         22...       1107      --       --     12.5      890      8.5     11.6      12


                                            OXYGEN,   BARO-                               WIND
                                              DIS-    METRIC            TRANS-            DIREC-
                                             SOLVED   PRES-              PAR-              TION    WIND
                                   OXYGEN,   (PER-     SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                     DIS-     CENT     (MM    THICK-   (SECCHI   ATURE     FROM   (MILES
                           DATE     SOLVED   SATUR-     OF    NESS      DISK)     AIR      TRUE     PER
                                    (MG/L)   ATION)    HG)    METERS     (IN)   (DEG C)   NORTH)   HOUR)
                                   (00300)  (00301)  (00025)  (82131)  (00077)  (00020)  (00036)  (00035)

                       OCT
                         13...      11.3      105      719       --      56.0     7.0      180      9.0
                         13...      10.7       --       --       --       --       --       --       --
                         13...      10.5       --       --       --       --       --       --       --
                         13...      10.4       --       --       --       --       --       --       --
                         13...      10.4       --       --       --       --       --       --       --
                         13...      10.4       --       --       --       --       --       --       --
                         13...      10.3       --       --       --       --       --       --       --
                         13...      10.3       --       --       --       --       --       --       --
                       NOV
                         08...      11.8      101      704       --     130      11.0      210     <5.0
                         08...      11.7       --       --       --       --       --       --       --
                         08...      11.6       --       --       --       --       --       --       --
                         08...      11.5       --       --       --       --       --       --       --
                         08...      11.4       --       --       --       --       --       --       --
                         08...      11.4       --       --       --       --       --       --       --
                         08...      11.3       --       --       --       --       --       --       --
                         08...      11.3       --       --       --       --       --       --       --
                       DEC
                         09...      14.6      109      720       --     169      -3.0      320     <5.0
                         09...      14.4       --       --       --       --       --       --       --
                         09...      14.3       --       --       --       --       --       --       --
                         09...      14.2       --       --       --       --       --       --       --
                         09...      14.1       --       --       --       --       --       --       --
                         09...      14.1       --       --       --       --       --       --       --
                         09...      14.1       --       --       --       --       --       --       --
                         09...      14.0       --       --       --       --       --       --       --
                         09...      14.0       --       --       --       --       --       --       --
                         09...      13.9       --       --       --       --       --       --       --
                       JAN
                         28...      15.9      119      720       .50    342      -4.0      360     <5.0
                         28...      15.6       --       --       --       --       --       --       --
                         28...      15.5       --       --       --       --       --       --       --
                         28...      15.4       --       --       --       --       --       --       --
                         28...      15.3       --       --       --       --       --       --       --
                         28...      15.2       --       --       --       --       --       --       --
                         28...      15.2       --       --       --       --       --       --       --
                         28...      15.0       --       --       --       --       --       --       --
                         28...      14.7       --       --       --       --       --       --       --
                         28...      14.6       --       --       --       --       --       --       --
                         28...      14.6       --       --       --       --       --       --       --
                       APR
                         24...      14.0      127      711       --      67.0    15.0      205     <5.0
                         24...      14.0       --       --       --       --       --       --       --
                         24...      14.2       --       --       --       --       --       --       --
                         24...      14.4       --       --       --       --       --       --       --
                         24...      14.3       --       --       --       --       --       --       --
                         24...      14.2       --       --       --       --       --       --       --
                         24...      14.2       --       --       --       --       --       --       --
                         24...      14.2       --       --       --       --       --       --       --
                         24...      14.2       --       --       --       --       --       --       --
                         24...      14.2       --       --       --       --       --       --       --
                         24...      14.2       --       --       --       --       --       --       --
                       MAY
                         22...      10.3      106      700       --      54.0    16.0      220     12
                         22...      10.3       --       --       --       --       --       --       --
                         22...      10.3       --       --       --       --       --       --       --
                         22...      10.3       --       --       --       --       --       --       --
                         22...      10.3       --       --       --       --       --       --       --
                         22...      10.2       --       --       --       --       --       --       --
                         22...      10.2       --       --       --       --       --       --       --
                         22...      10.2       --       --       --       --       --       --       --
                         22...      10.1       --       --       --       --       --       --       --
                         22...      10.0       --       --       --       --       --       --       --
                         22...      10.0       --       --       --       --       --       --       --
                         22...      10.0       --       --       --       --       --       --       --
                         22...       9.9       --       --       --       --       --       --       --


                                                                                  PH                TUR-
                                                                        SPE-     WATER              BID-
                                             ELEV-                      CIFIC    WHOLE              ITY
                                             ATION    RESER-    SAM-    CON-     FIELD   TEMPER-   FIELD
                                             ABOVE     VOIR    PLING    DUCT-   (STAND-   ATURE    WATER
                           DATE      TIME     NGVD    DEPTH    DEPTH    ANCE      ARD     WATER   UNFLTRD
                                             (FEET)   (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (NTU)
                                            (72020)  (72025)  (00098)  (00095)  (00400)  (00010)  (61028)

                       JUN
                         07...       1100   1846.80   43.0       .00     894      8.3     16.1       0
                         07...       1101      --       --      2.0      895      8.4     15.5       1
                         07...       1102      --       --      4.0      895      8.4     15.4       2
                         07...       1103      --       --      6.0      895      8.4     15.2       2
                         07...       1104      --       --      8.0      896      8.4     14.8       3
                         07...       1105      --       --     10.0      896      8.4     14.8       3
                         07...       1106      --       --     12.0      896      8.4     14.6       4
                         07...       1107      --       --     13.0      897      8.4     14.6       7
                         27...       1120   1846.90   47.2       .00     903      7.8     17.5       0
                         27...       1121      --       --      1.0      913      8.0     17.5       2
                         27...       1122      --       --      2.0      913      8.1     17.2       3
                         27...       1123      --       --      3.0      915      8.2     17.2       3
                         27...       1124      --       --      4.0      915      8.2     17.1       3
                         27...       1125      --       --      5.0      916      8.2     17.1       3
                         27...       1126      --       --      6.0      916      8.3     17.1       3
                         27...       1127      --       --      7.0      916      8.3     17.1       4
                         27...       1128      --       --      8.0      916      8.3     17.1       4
                         27...       1129      --       --      9.0      916      8.3     17.1       4
                         27...       1130      --       --     10.0      916      8.3     17.1       4
                         27...       1131      --       --     11.0      917      8.3     16.9       5
                         27...       1132      --       --     12.0      917      8.3     16.8       5
                         27...       1133      --       --     13.0      918      8.3     16.7       6
                         27...       1134      --       --     14.0      918      8.3     16.6       7
                         27...       1135      --       --     14.4      918      8.3     16.6       7
                       JUL
                         20...       1100   1846.80   45.9       .00     907      7.8     21.2      11
                         20...       1101      --       --      2.7      911      8.0     20.9      13
                         20...       1102      --       --      5.2      915      8.1     20.8      15
                         20...       1103      --       --      7.7      915      8.2     20.8      15
                         20...       1104      --       --     10.0      915      8.2     20.7      15
                         20...       1105      --       --     11.5      919      8.2     19.6      18
                         20...       1106      --       --     12.6      928      8.2     18.9      19
                         20...       1107      --       --     14.0      923      8.1     18.2      41
                       AUG
                         29...       1130   1846.80   44.3       .00     878      8.0     20.7       0
                         29...       1131      --       --      2.0      880      8.2     20.7       4
                         29...       1132      --       --      4.0      879      8.2     20.7       5
                         29...       1133      --       --      6.0      879      8.2     20.7       5
                         29...       1134      --       --      8.0      879      8.3     20.7       5
                         29...       1135      --       --     10.0      879      8.3     20.7       6
                         29...       1136      --       --     11.9      879      8.3     20.7       7
                         29...       1137      --       --     13.5      880      8.3     20.7       7
                       SEP
                         25...       1025   1846.10   41.3       .00     919      8.5     13.2       0
                         25...       1026      --       --      2.0      925      8.5     13.1       0
                         25...       1027      --       --      4.0      926      8.5     13.1       0
                         25...       1028      --       --      5.9      927      8.5     13.1       0
                         25...       1029      --       --      8.0      926      8.5     13.1       1
                         25...       1030      --       --     10.0      926      8.5     13.1       2
                         25...       1031      --       --     12.0      926      8.5     13.1       2
                         25...       1032      --       --     12.6      927      8.5     13.1       3


                                                OXYGEN,   BARO-                      WIND
                                                  DIS-    METRIC   TRANS-            DIREC-
                                                 SOLVED   PRES-     PAR-              TION    WIND
                                       OXYGEN,   (PER-     SURE     ENCY   TEMPER-   (DEG.    SPEED
                                         DIS-     CENT     (MM    (SECCHI   ATURE     FROM   (MILES
                               DATE     SOLVED   SATUR-     OF     DISK)     AIR      TRUE     PER
                                        (MG/L)   ATION)    HG)      (IN)   (DEG C)   NORTH)   HOUR)
                                       (00300)  (00301)  (00025)  (00077)  (00020)  (00036)  (00035)

                           JUN
                             07...      10.4      114      706      71.0    23.0      210     <5.0
                             07...      10.5       --       --       --       --       --       --
                             07...      10.4       --       --       --       --       --       --
                             07...      10.4       --       --       --       --       --       --
                             07...      10.3       --       --       --       --       --       --
                             07...      10.3       --       --       --       --       --       --
                             07...      10.2       --       --       --       --       --       --
                             07...      10.1       --       --       --       --       --       --
                             27...       9.7      730      719      43.0    21.0      215     <5.0
                             27...       9.4       --       --       --       --       --       --
                             27...       9.3       --       --       --       --       --       --
                             27...       9.1       --       --       --       --       --       --
                             27...       9.1       --       --       --       --       --       --
                             27...       9.1       --       --       --       --       --       --
                             27...       9.0       --       --       --       --       --       --
                             27...       9.0       --       --       --       --       --       --
                             27...       8.9       --       --       --       --       --       --
                             27...       8.9       --       --       --       --       --       --
                             27...       8.9       --       --       --       --       --       --
                             27...       8.7       --       --       --       --       --       --
                             27...       8.5       --       --       --       --       --       --
                             27...       8.4       --       --       --       --       --       --
                             27...       8.2       --       --       --       --       --       --
                             27...       8.1       --       --       --       --       --       --
                           JUL
                             20...       8.7      105      717      84.0    19.5       65     <5.0
                             20...       8.6       --       --       --       --       --       --
                             20...       8.5       --       --       --       --       --       --
                             20...       8.5       --       --       --       --       --       --
                             20...       8.4       --       --       --       --       --       --
                             20...       6.6       --       --       --       --       --       --
                             20...       5.8       --       --       --       --       --       --
                             20...       4.2       --       --       --       --       --       --
                           AUG
                             29...       7.9       95      712      53.0    19.5      155      7.0
                             29...       7.7       --       --       --       --       --       --
                             29...       7.6       --       --       --       --       --       --
                             29...       7.6       --       --       --       --       --       --
                             29...       7.6       --       --       --       --       --       --
                             29...       7.5       --       --       --       --       --       --
                             29...       7.5       --       --       --       --       --       --
                             29...       7.4       --       --       --       --       --       --
                           SEP
                             25...       9.5       97      717      64.0    10.5      205     <5.0
                             25...      10.0       --       --       --       --       --       --
                             25...      10.0       --       --       --       --       --       --
                             25...      10.1       --       --       --       --       --       --
                             25...       9.6       --       --       --       --       --       --
                             25...       9.6       --       --       --       --       --       --
                             25...       9.6       --       --       --       --       --       --
                             25...       9.6       --       --       --       --       --       --
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