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     &l