ANALYSES OF SAMPLES COLLECTED AT DEVILS LAKE WATER-QUALITY SITES

Table of Contents

West Bay Site 1

West Bay Site 2

West Bay Site 3

West Bay Site 4

West Bay Site 5

West Bay Site 6

West Bay Site 9

West Bay Site 12

West Bay Site 17

West Bay Site 18

West Bay Site 22

West Bay Site 27

West Bay Site 29

McHugh Slough near Lakota ND

Lake Lakota near Michigan ND

480818099100000 DEVILS LAKE, WEST BAY (SITE 1)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 23...       1110     .70      1.2      7.8     1500      490      95       62       28        3


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 23...       37       140      384      63       370      2.0     .406     .070      1.5      2.0


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 23...      .458     .419      986      55       <1       7.0      100     <1.0      180      <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)

               FEB
                 23...      <1.0      1.5     <7.0     <1.0      130      5.0      1.4      <1      <1.0      5.4


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              23...       1102     1.0     1470      7.6       .5      6.1      45
                              23...       1103     2.0     1460      7.6      2.2      5.3       --
                              23...       1104     3.0     1550      7.5      3.2      2.2       --
                              23...       1105     4.0     1680      7.5      3.9       .9       --
                              23...       1106     4.7     1800      7.5      3.7       .7       --


                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   23...       720      2.40    43.0     -4.0      160      15
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
Return to Table of Contents

480736099072400 DEVILS LAKE, WEST BAY (SITE 2)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 23...       1135     .70      1.2      7.9     1550      520      100      65       30        3


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 23...       36       150      400      65       380      2.0     .383     .080      1.6      2.1


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 23...      .423     .387     1030      54       <1       6.8      100     <1.0      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)

               FEB
                 23...      <1.0      2.3     <7.0     <1.0      86       6.5      1.2      <1      <1.0      6.4


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              23...       1131     1.0     1510      7.7       .2      7.5      55
                              23...       1132     2.0     1520      7.7       .9      8.9       --
                              23...       1133     3.0     1700      7.7      1.8      4.2       --
                              23...       1134     4.2     1880      7.7      3.2       .9       --


                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   23...       725      2.20    34.0     -5.0      160      13
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
Return to Table of Contents

480542099064800 DEVILS LAKE, WEST BAY (SITE 3)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 23...       1310     .70      1.2      8.2     1920      560      99       75       36        4
                 23...       1315    4.3       4.8      8.3     2000      530      84       76       38        4


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 23...       42       200      432       96      500      2.1     .286     .060      1.8      2.2
                 23...       47       230      401      100      520      1.7     .260     .040      1.4      1.7


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 23...      .505     .431     1270      <50      <1       10       100     <1.0      220      <1
                 23...      .491     .364     1290      <50      <1       11        88     <1.0      260      <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)

               FEB
                 23...      <1.0      2.1     <7.0     <1.0      260      5.2      1.9      <1      <1.0      3.7
                 23...      <1.0      2.4     <7.0     <1.0      230      4.5      1.8      <1      <1.0      4.6


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              23...       1301     1.0     1890      7.9       .5      9.9      73
                              23...       1302     2.0     1930      8.0      1.5      9.3       --
                              23...       1303     3.0     1940      8.1      2.5      8.3       --
                              23...       1304     4.0     1980      8.1      2.5      8.6       --
                              23...       1305     4.9     2030      8.0      3.2      2.3       --


                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   23...       724      2.20    37.0     -4.0      160      13
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
Return to Table of Contents

480554099131200 DEVILS LAKE, WEST BAY (SITE 4)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 23...       0955     .80      1.3      8.4     2100      540      84       79       40        5
                 23...       1000    4.5       5.0      8.4     2090      560      89       83       42        5


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 23...       48       250      423      120      580      1.5     .026     .020      1.5      1.6
                 23...       48       260      422      120      580      1.5     .037     .020      1.5      1.5


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 23...      .427     .298     1400       57      <1       11       88      <1.0      270      <1
                 23...      .419     .311     1430      <50      <1       11       89      <1.0      250      <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)

               FEB
                 23...      <1.0      2.7     <7.0     <1.0      53       4.3      1.5      <1      <1.0      3.5
                 23...      <1.0      2.6     <7.0     <1.0      41       4.8      1.4      <1      <1.0      4.0


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              23...       0946     1.0     2060      8.2       .1     12.7      92
                              23...       0947     2.0     2060      8.2       .4     12.5       --
                              23...       0948     3.0     2060      8.2       .6     12.4       --
                              23...       0949     4.0     2050      8.2      1.2     12.1       --
                              23...       0950     5.0     2050      8.1      2.3      9.9       --


                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   23...       727      2.50    32.0     -6.0      160      10
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
Return to Table of Contents

480306099140000 DEVILS LAKE, WEST BAY (SITE 5)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

                                     DEPTH    DEPTH     SPE-
                                     TO TOP  TO BOT-   CIFIC    HARD-             MAGNE-   POTAS-   SODIUM
                                       OF    TOM OF     CON-    NESS    CALCIUM    SIUM,    SIUM,     AD-
                                     SAMPLE   SAMPLE   DUCT-    TOTAL    DIS-      DIS-     DIS-    SORP-
                                     INTER-   INTER-   ANCE     (MG/L    SOLVED   SOLVED   SOLVED    TION
                   DATE      TIME   VAL(IN   VAL(IN     LAB      AS      (MG/L    (MG/L    (MG/L    RATIO    SODIUM
                                    METERS)  METERS)  (US/CM)   CACO3)   AS CA)   AS MG)   AS K)            PERCENT
                                    (82047)  (82048)  (90095)  (00900)  (00915)  (00925)  (00935)  (00931)  (00932)

               FEB
                 23...       0905     .80      1.3     2120      570      90       85       43        5       48


                                      ANC                       NITRO-
                                    UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-   PHOS-
                           SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,   PHORUS    PHOS-
                            DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    DIS-   PHORUS
                           SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    SOLVED   TOTAL
                   DATE     (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                            AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS P)    AS P)
                           (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00666)  (00665)

               FEB
                 23...       270      418      120      600      1.5     .056     <.020     1.4     .404     .298


                               SOLIDS,
                               SUM OF   ALUMI-                               BERYL-                     CHRO-
                               CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM   MIUM,
                               TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                                 DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER  RECOVER
                       DATE     SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE    -ABLE
                                (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                               (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)  (01118)

                   FEB
                     23...      1450      55       <1       12       98      <1.0      280      <1      <1.0


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

                   FEB
                     23...       2.7     <7.0     <1.0      68       4.5      2.4      <1      <1.0      8.7


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              23...       0901     1.0     2060      7.8       .4     13.2      96
                              23...       0902     2.0     2060      7.9       .7     13.3       --
                              23...       0903     2.9     2140      7.9      1.7      9.7       --


                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   23...       727      2.50    30.0     -4.0      170      14
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
Return to Table of Contents

480438099091500 DEVILS LAKE, WEST BAY, EAST (SITE 6)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 23...       1245     .80      1.3      8.4     2040      560      89       82       41        5
                 23...       1250    4.5       5.0       --     2050      540      84       79       40        5


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 23...       48       260      404      110      560      1.7     .146     .030      1.5      1.7
                 23...       49       260      399      110      560      1.4     .089     .030      1.3      1.5


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 23...      .335     .251     1380       51      <1       11       91      <1.0      250      <1
                 23...      .460     .318     1380      <50      <1       11       96      <1.0      250      <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)

               FEB
                 23...      <1.0      2.5     <7.0     <1.0      150      4.6      1.5      <1      <1.0      3.8
                 23...      <1.0      2.7     <7.0     <1.0      100      4.4      2.1      <1      <1.0      5.2


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              23...       1236     1.0     2020      8.1       .1     10.5      77
                              23...       1237     2.0     2020      8.1       .7     10.5       --
                              23...       1238     3.0     2010      8.1      1.3     10.3       --
                              23...       1239     4.0     2000      8.1      2.0     10.1       --
                              23...       1240     5.0     2030      8.1      2.9      7.1       --
                              23...       1241     5.3     2030      8.0      3.1      4.6       --


                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   23...       725      2.60    32.0     -7.0      170      16
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
Return to Table of Contents

480052099065400 DEVILS LAKE, WEST BAY (SITE 9)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 24...       0855     .80      1.3       --     2120      580      88       87       43        5
                 24...       0900    7.0       7.5      8.2     2160      480      70       73       37        5


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 24...       49       280      403      120      620      1.4     .095     .050      1.3      1.4
                 24...       50       240      384      120      630      1.4     .160     .160      1.3      1.6


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 24...      .431     .316     1490      <50      <1       11       88      <1.0      260      <1
                 24...      .543     .437     1410       60      <1       11       74      <1.0      270      <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)

               FEB
                 24...      <1.0      2.3     <7.0     <1.0       13      4.3      1.6      <1      <1.0      4.3
                 24...      <1.0      2.8     <7.0     <1.0      110      4.1      1.9      <1      <1.0      4.9


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              24...       0846     .77     2050      7.8       .1      8.8      65
                              24...       0847    1.6      2060      7.9       .4      9.0       --
                              24...       0848    2.3      2060      7.9       .7      8.9       --
                              24...       0849    3.3      2060      8.0      1.2      8.7       --
                              24...       0850    4.0      2060      8.0      1.4      8.6       --
                              24...       0851    5.1      2070      8.0      2.0      7.1       --
                              24...       0852    6.0      2120      8.1      2.3      6.6       --
                              24...       0853    6.9      2030      8.1      2.9      6.5       --
                              24...       0854    7.7      2160      7.8      4.0      1.9       --


                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   24...       721      2.50    32.0     -3.0      290      8.0
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
Return to Table of Contents

480623099013400 DEVILS LAKE, SIXMILE BAY (SITE 12)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 23...       1510     .70      1.2      8.4     2190      510      72       79       40        5
                 23...       1515    4.5       5.0      8.3     2180      530      75       82       43        5
                 23...       1520    8.5       9.0      8.4     2200      580      82       90       45        6


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 23...       50       260      380      130      660      1.5     .154     .300      1.4      1.8
                 23...       51       270      388      130      660      1.5     .222     .260      1.3      1.8
                 23...       52       310      387      130      660      1.4     .093     .220      1.3      1.6


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 23...      .469     .398     1470       53      <1       11       72      <1.0      310      <1
                 23...      .536     .373     1490      <50      <1       11       70      <1.0      300      <1
                 23...      .502     .356     1560      <50      <1       11       71      <1.0      310      <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)

               FEB
                 23...      <1.0      2.6     <7.0     <1.0     <2.0      4.6      2.0      <1      <1.0      7.5
                 23...      <1.0      2.4     <7.0     <1.0     <2.0      3.9      1.8      <1      <1.0      4.7
                 23...      <1.0      2.4     <7.0     <1.0     <2.0     14        1.7      <1      <1.0      3.7


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              23...       1456     .91     2240      8.2       .1     10.4      76
                              23...       1457    1.3      2240      8.2       .4     10.4       --
                              23...       1458    2.0      2240      8.3       .4     10.4       --
                              23...       1459    2.7      2240      8.4       .4     10.1       --
                              23...       1503    5.9      2300      8.5       .4      9.4       --
                              23...       1504    7.0      2290      8.5       .9      8.8       --
                              23...       1505    8.0      2290      8.4      1.9      7.7       --
                              23...       1506    9.1      2300      8.4      3.2      5.3       --
                              23...       1507    9.6      2310      8.2      3.9      3.6       --

                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   23...       722      2.30    51.0     -4.0      160      15
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
Return to Table of Contents

480500098561000 DEVILS LAKE, CREEL BAY (SITE 17)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 23...       1625      .70     1.2      8.4     2250      530      75       83       44        5
                 23...       1630     4.5      5.0      8.5     2250      580      82       91       45        6
                 23...       1635    10       11        8.4     2260      520      73       82       43        5


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 23...       51       280      390      140      680      1.4     .078     .180      1.3      1.6
                 23...       52       320      384      140      680      1.4     .069     .180      1.3      1.5
                 23...       52       280      386      140      670      1.3     .122     .200      1.2      1.5


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 23...      .476     .358     1530      <50      <1       11       70      <1.0      310      <1
                 23...      .473     .345     1590      <50      <1       12       71      <1.0      280      <1
                 23...      .497     .343     1520       58      <1       12       71      <1.0      290      <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)

               FEB
                 23...      <1.0      2.5     <7.0     <1.0     <2.0      7.3      1.6      <1      <1.0      4.3
                 23...      <1.0      2.6     <7.0     <1.0     <2.0      4.1      1.7      <1      <1.0      6.9
                 23...      <1.0      2.7      9.0     <1.0     <2.0      5.5      1.7      <1      <1.0      3.4


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              23...       1611      .91    2310      8.6       .0     10.0      73
                              23...       1612     2.0     2310      8.6       .0      9.9       --
                              23...       1613     3.0     2310      8.6       .0      9.9       --
                              23...       1614     4.0     2310      8.6       .0     10.0       --
                              23...       1615     5.1     2310      8.6       .0      9.9       --
                              23...       1616     5.9     2320      8.7       .0      9.8       --
                              23...       1617     6.9     2320      8.7       .0      9.8       --
                              23...       1618     7.7     2320      8.7       .0      9.7       --
                              23...       1619     8.8     2330      8.7       .0      9.7       --
                              23...       1620     9.6     2340      8.7       .1      9.5       --
                              23...       1621    10.6     2340      8.7       .4      8.9       --
                              23...       1622    11.2     2340      8.6      1.0      6.9       --

                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   23...       721      2.30    93.0     -3.0      150      16
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
Return to Table of Contents

480147098572200 DEVILS LAKE, MAIN BAY (SITE 18)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 24...       1035      .70     1.2      8.4     2240      490      68       77       40        5
                 24...       1040     5.5      6.0      8.4     2240      560      79       89       44        6
                 24...       1045    13.0     14.0      8.4     2350      570      77       91       45        6


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 24...       51       260      379      140      670      1.4     .104     .200      1.3      1.6
                 24...       52       310      376      140      680      1.4     .085     .190      1.3      1.6
                 24...       54       330      401      150      730      1.4     .142     .240      1.3      1.6


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 24...      .486     .488     1490      <50      <1       11       68      <1.0      290      <1
                 24...      .289     .536     1570       72      <1       11       74      <1.0      300      <1
                 24...      .329     .457     1660       62      <1       12       72      <1.0      310      <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)

               FEB
                 24...      <1.0      2.5     <7.0     <1.0     <2.0      4.1      1.6      <1      <1.0      3.5
                 24...      <1.0      2.4     <7.0     <1.0     <2.0      4.0      1.7      <1      <1.0      4.1
                 24...      <1.0      2.4     <7.0     <1.0     43        4.1      1.9      <1      <1.0      5.3


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              24...       1021     1.6     2210      8.6       .0      9.9      73
                              24...       1022     2.8     2210      8.6       .0     10.0       --
                              24...       1023     4.2     2210      8.6       .0      9.9       --
                              24...       1024     5.7     2220      8.7       .0     10.1       --
                              24...       1025     7.1     2210      8.7       .0      9.9       --
                              24...       1026     8.6     2210      8.7       .0      9.8       --
                              24...       1027    10.1     2210      8.7       .2      9.4       --
                              24...       1028    11.5     2240      8.7       .8      8.6       --
                              24...       1029    12.9     2360      8.5      2.3      5.3       --
                              24...       1030    13.6     2540      8.3      3.1      1.3       --

                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   24...       721      2.20    76.0     -3.0      260      8.0
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
Return to Table of Contents

480407098491900 DEVILS LAKE, EAST BAY, WEST (SITE 22)

               REMARKS.--Replicate samples also collected for quality-control purposes.

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 24...       1145     .80      1.3      8.7     3720      790      82       140      72        9
                 24...       1155    4.5       5.0      8.7     3740      790      81       140      76        9
                 24...       1200    8.5       9.0      8.7     3820      790      80       140      77        9


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 24...       59       580      473      280     1300      2.0     .057     .130      1.9      2.1
                 24...       59       580      480      270     1300      1.9     .087     .080      1.8      2.0
                 24...       59       600      468      280     1300      2.0     .139     .070      1.9      2.1


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 24...      .413     .318     2750      64       <1       18       70      <1.0      540      <1
                 24...      .495     .390     2730      51       <1       19       71      <1.0      530      <1
                 24...      .492     .367     2790      51       <1       19       70      <1.0      530      <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)

               FEB
                 24...      <1.0      3.9     <7.0     <1.0     <2.0      4.4      3.5      <1      <1.0      5.2
                 24...      <1.0      4.0     <7.0     <1.0     <2.0      4.4      3.5      <1      <1.0      4.7
                 24...      <1.0      4.3      9.0     <1.0      9.0      4.3      4.5      <1      <1.0      5.2


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              24...       1136     1.1     3720      8.8       .1      8.7      64
                              24...       1137     2.3     3740      8.8       .2      9.1       --
                              24...       1138     3.3     3760      8.9       .1      9.7       --
                              24...       1139     4.2     3760      8.9       .4      9.8       --
                              24...       1140     5.0     3780      8.9       .4     10.1       --
                              24...       1141     6.2     3790      8.9       .7     10.1       --
                              24...       1142     7.4     3850      8.9       .9      7.5       --
                              24...       1143     8.5     3890      8.9      1.7      5.7       --
                              24...       1144     9.6     3940      8.6      2.9      1.7       --

                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   24...       722      2.60    69.0     -1.0      290      7.0
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
Return to Table of Contents

480018098425400 DEVILS LAKE, EAST BAY (SITE 27)

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 24...       1255     .60      1.1      8.8     3830      820      84       150      80        9
                 24...       1300    4.5       5.0      8.8     3840      810      82       150      79        9
                 24...       1305    9.5      10        8.8     3840      790      80       140      77        9


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 24...       59       610      493      280     1400      2.0     .075     .050      1.9      2.0
                 24...       59       600      478      290     1400      2.0     .093     .040      1.9      2.0
                 24...       59       590      486      280     1400      2.1     .096     .060      2.0      2.1


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 24...      .491     .334     2850      55       <1       20       72      <1.0      590      <1
                 24...      .478     .321     2830      54        1       20       70      <1.0      590      <1
                 24...      .237     .324     2830      60       <1       20       69      <1.0      570      <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)

               FEB
                 24...      <1.0      4.6     <7.0     <1.0     <2.0      4.3      4.9      <1      <1.0      4.6
                 24...      <1.0      4.7     <7.0     <1.0     <2.0      4.3      5.3      <1      <1.0      4.4
                 24...      <1.0      4.4     <7.0     <1.0     <2.0      4.0      6.0      <1      <1.0      3.8


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              24...       1246     1.3     3840      8.9       .0      9.5      70
                              24...       1247     2.7     3850      8.9       .0      9.1       --
                              24...       1248     3.6     3860      8.9       .0      9.3       --
                              24...       1249     4.7     3860      8.9       .0      9.3       --
                              24...       1250     6.1     3860      8.9       .0      9.1       --
                              24...       1251     7.6     3860      8.9       .1      9.1       --
                              24...       1252     9.4     3930      8.9      1.0      7.4       --
                              24...       1253    10.2     4420      8.9      1.0      5.9       --

                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   24...       723      1.96    51.0       .0      250      8.0
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
Return to Table of Contents

475740098381600 EAST DEVILS LAKE (SITE 29)

               REMARKS.--Replicate samples also collected for quality-control purposes.

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               FEB
                 24...       1410      .60     1.1      8.6     7510     1400      87       300      160      17
                 24...       1420     6.5      7.0      8.6     7490     1400      86       300      160      16
                 24...       1425    13.8     14.0      8.6     7500     1500      87       300      160      16


                                               ANC                       NITRO-
                                             UNFLTRD   CHLO-            GEN,AM-   NITRO-   NITRO-   NITRO-
                                    SODIUM,  TIT 4.5   RIDE,   SULFATE  MONIA +    GEN,     GEN,     GEN,    NITRO-
                                     DIS-      LAB     DIS-     DIS-    ORGANIC  AMMONIA  NO2+NO3  ORGANIC    GEN,
                                    SOLVED    (MG/L    SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                   DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                           PERCENT   AS NA)   CACO3)   AS CL)  AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)
                           (00932)  (00930)  (90410)  (00940)  (00945)  (00625)  (00610)  (00630)  (00605)  (00600)

               FEB
                 24...       66      1500      601      630     3100      3.2     .162     .460      3.0      3.6
                 24...       66      1400      587      650     3100      2.9     .119     .460      2.8      3.4
                 24...       65      1400      592      630     3100      2.9     .08      .49       2.8      3.4


                                             SOLIDS,
                            PHOS-            SUM OF   ALUMI-                               BERYL-
                           PHORUS    PHOS-   CONSTI-    NUM,    ANTI-            BARIUM,    LIUM   BORON,   CADMIUM
                             DIS-   PHORUS   TUENTS,   TOTAL    MONY,   ARSENIC   TOTAL    TOTAL    TOTAL    TOTAL
                            SOLVED   TOTAL     DIS-   RECOVER   TOTAL    TOTAL   RECOVER  RECOVER  RECOVER  RECOVER
                   DATE     (MG/L    (MG/L    SOLVED   -ABLE    (UG/L    (UG/L    -ABLE    -ABLE    -ABLE    -ABLE
                            AS P)    AS P)    (MG/L)   (UG/L)   AS SB)   AS AS)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                           (00666)  (00665)  (70301)  (01104)  (01097)  (01002)  (01009)  (00998)  (00999)  (01113)

               FEB
                 24...      .294     .336     6080       81      <5       37       80       <5      1200      <5
                 24...      .485     .354     6030       94      <5       34       59       <5      1100      <5
                 24...      .51      .36      6030      110      <5       30       59       <5      1200      <5


                                                                                                    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)

               FEB
                 24...       <5       10       <7       <5       <2       <5       15       <5       <5       <5
                 24...       <5       13       <7       <5       <2        6       12       <5       <5       <5
                 24...       <5       10       <7       <5       <2        7       10       <5       <5        6


                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            FEB
                              24...       1401     1.6     7600      8.9      -.2      8.6      64
                              24...       1402     3.1     7610      8.9      -.2      8.7       --
                              24...       1403     4.8     7610      8.9      -.2      8.6       --
                              24...       1404     6.3     7620      8.9      -.2      8.7       --
                              24...       1405     7.7     7620      8.9      -.2      8.7       --
                              24...       1406     9.8     7620      8.9      -.2      8.4       --
                              24...       1407    11.6     7610      8.9       .2      8.1       --
                              24...       1408    12.9     7630      8.9       .6      7.3       --
                              24...       1409    14.3     7790      8.8      1.8      4.3       --

                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 FEB
                                   24...       724      1.80    30.0       .0      290      7.0
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
                                   24...        --       --       --       --       --       --
Return to Table of Contents

480552098145300 McHUGH SLOUGH NEAR LAKOTA, ND

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               OCT
                 21...       1135     .00      2.2      8.3     1190      340     47        54       30        3
               FEB
                 25...       0930     .90      2.1      8.1     1940      390      8.1      90       53        5
               MAY
                 11...       1020     .00      2.3       --     1030      290     45        44       14        3
               JUL
                 20...       0835     .00      2.5       --     1090      290     37        49       27        3


                                                   ANC                                NITRO-   NITRO-   NITRO-
                                                 UNFLTRD   CHLO-    FLUO-              GEN,   GEN,AM-    GEN,
                                        SODIUM,  TIT 4.5   RIDE,    RIDE,   SULFATE  AMMONIA  MONIA +  NO2+NO3
                                         DIS-      LAB     DIS-      DIS-    DIS-      DIS-   ORGANIC    DIS-
                                        SOLVED    (MG/L    SOLVED   SOLVED   SOLVED   SOLVED   TOTAL    SOLVED
                       DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                               PERCENT   AS NA)   CACO3)   AS CL)   AS F)   AS SO4)   AS N)    AS N)    AS N)
                               (00932)  (00930)  (90410)  (00940)  (00950)  (00945)  (00608)  (00625)  (00631)

                   OCT
                     21...       45       140      386      35       .20      240      .031     3.2      .057
                   FEB
                     25...       52       230      675      72       .20      390      .911     5.1     <.050
                   MAY
                     11...       43       110      340      38       .10      190     <.020     2.6     <.050
                   JUL
                     20...       46       130      354      39       .10      200     <.020     3.7     <.050


                                                  NITRO-   PHOS-            SOLIDS,  SOLIDS,  CHLOR-A  CHLOR-B
                                NITRO-             GEN,   PHORUS            RESIDUE  SUM OF    PHYTO-   PHYTO-
                                 GEN,    NITRO-  NITRITE   ORTHO,   PHOS-   AT 180   CONSTI-   PLANK-   PLANK-
                               ORGANIC    GEN,     DIS-    DIS-    PHORUS    DEG. C  TUENTS,    TON      TON
                                TOTAL    TOTAL    SOLVED  SOLVED    TOTAL     DIS-     DIS-   CHROMO   CHROMO
                       DATE     (MG/L    (MG/L    (MG/L   (MG/L     (MG/L    SOLVED   SOLVED  FLUOROM  FLUOROM
                                AS N)    AS N)    AS N)   AS P)     AS P)    (MG/L)   (MG/L)   (UG/L)   (UG/L)
                               (00605)  (00600)  (00613)  (00671)  (00665)  (70300)  (70301)  (70953)  (70954)

                   OCT
                     21...       3.2      3.3     <.010    <.010    .127      829      778     31.0    E1.80
                   FEB
                     25...       4.2       --     <.010     .133    .221     1330     1250     12.3      .660
                   MAY
                     11...        --       --     <.010     .014    .142      717      646     27.2     2.80
                   JUL
                     20...        --       --     <.010    <.010    .163      750      695     12.8      .660


                                                                    MANGA-            MOLYB-   SELE-    STRON-
                               ARSENIC   IRON,    LEAD,   LITHIUM   NESE,   MERCURY   DENUM,   NIUM,     TIUM,
                                 DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-
                                SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED
                       DATE     (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L
                                AS AS)   AS FE)   AS PB)   AS LI)   AS MN)   AS HG)   AS MO)   AS SE)   AS SR)
                               (01000)  (01046)  (01049)  (01130)  (01056)  (71890)  (01060)  (01145)  (01080)

                   OCT
                     21...        4        10     <1.0      100       20      <.1     <1.0      <1       320
                   FEB
                     25...        3       140     <1.0      150     1000      <.1      2.0       1       520
                   MAY
                     11...        2        20     <1.0       80       10      <.1     <1.0      <1       410
                   JUL
                     20...        4        20     <1.0       80       30      <.1     <1.0      <1       330

                                                                              PH
                                                                    SPE-     WATER
                                                  ELEV-             CIFIC    WHOLE
                                                  ATION     SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                  ABOVE    PLING    DUCT-   (STAND-   ATURE     DIS-
                                DATE      TIME     NGVD    DEPTH    ANCE      ARD     WATER    SOLVED
                                                  (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                 (72020)  (00098)  (00095)  (00400)  (00010)  (00300)

                            OCT
                              21...       1130   1507.50    .00     1160      8.4      5.2     13.0
                              21...       1131      --      .50     1160      8.4      5.2     12.8
                              21...       1132      --     1.0      1160      8.4      4.9     12.3
                              21...       1133      --     1.6      1170      8.4      4.7     11.9
                              21...       1134      --     2.2      1160      8.4      4.7     11.6
                            FEB
                              25...       0926   1507.80    .46     1940      8.0       .4      1.5
                              25...       0927      --      .88     1940      8.0       .3      1.1
                              25...       0928      --     1.3      1950      8.0      1.1       .9
                              25...       0929      --     2.1      2030      8.0      2.6       .6
                            MAY
                              11...       1015   1508.50    .00     1050      8.7      7.8     10.6
                              11...       1016      --     1.0      1040      8.7      7.8     10.6
                              11...       1017      --     1.6      1040      8.7      7.8     10.5
                              11...       1018      --     2.3      1050      8.7      7.8     10.4
                            JUL
                              20...       0825   1508.70    .00     1070      8.7     21.8      9.9
                              20...       0826      --      .50     1070      8.7     21.8      9.9
                              20...       0827      --     1.0      1070      8.7     21.8      9.8
                              20...       0828      --     1.5      1070      8.7     21.8      9.8
                              20...       0829      --     2.1      1070      8.7     21.7      9.4
                              20...       0830      --     2.5      1070      8.7     21.6      1.8


                                        OXYGEN,   BARO-                               WIND
                                          DIS-    METRIC            TRANS-            DIREC-
                                         SOLVED   PRES-              PAR-              TION    WIND
                                         (PER-     SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                          CENT     (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                DATE     SATUR-     OF    NESS      DISK)     AIR      TRUE     PER
                                         ATION)    HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                        (00301)  (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                            OCT
                              21...       107      733       --     12.0     11.0      220     <5.0
                              21...        --       --       --       --       --       --       --
                              21...        --       --       --       --       --       --       --
                              21...        --       --       --       --       --       --       --
                              21...        --       --       --       --       --       --       --
                            FEB
                              25...        11      722      2.90    18.0     -3.0      140     10
                              25...        --       --       --       --       --       --       --
                              25...        --       --       --       --       --       --       --
                              25...        --       --       --       --       --       --       --
                            MAY
                              11...        95      719       --     18.0      7.0      200     10
                              11...        --       --       --       --       --       --       --
                              11...        --       --       --       --       --       --       --
                              11...        --       --       --       --       --       --       --
                            JUL
                              20...       121      719       --     16.0     21.0      205      5.0
                              20...        --       --       --       --       --       --       --
                              20...        --       --       --       --       --       --       --
                              20...        --       --       --       --       --       --       --
                              20...        --       --       --       --       --       --       --
                              20...        --       --       --       --       --       --       --
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480339098101300 LAKE LORETTA NEAR MICHIGAN, ND

               REMARKS.--Replicate samples also collected for quality-control purposes.

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

               OCT
                 21...       1255     .00      7.1      8.6     2260      530      70        87      43        6
               FEB
                 25...       1030     .80      6.9       --     2590      620      82       100      50        6
               MAY
                 11...       1140     .00      7.4      8.5     2060      500      68        79      24        5
               JUL
                 20...       1000     .00      7.5       --     2070      510      68        82      35        5


                                                   ANC                                NITRO-   NITRO-   NITRO-
                                                 UNFLTRD   CHLO-    FLUO-              GEN,   GEN,AM-    GEN,
                                        SODIUM,  TIT 4.5   RIDE,    RIDE,   SULFATE  AMMONIA  MONIA +  NO2+NO3
                                         DIS-      LAB     DIS-      DIS-    DIS-      DIS-   ORGANIC    DIS-
                                        SOLVED    (MG/L    SOLVED   SOLVED   SOLVED   SOLVED   TOTAL    SOLVED
                       DATE     SODIUM   (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                               PERCENT   AS NA)   CACO3)   AS CL)   AS F)   AS SO4)   AS N)    AS N)    AS N)
                               (00932)  (00930)  (90410)  (00940)  (00950)  (00945)  (00608)  (00625)  (00631)

                   OCT
                     21...       53       300      364      140      .10      740     .025      3.9     <.050
                   FEB
                     25...       53       350      429      130      .20      860     .376      2.7      .072
                   MAY
                     11...       54       280      340      110      .10      660     .020      2.5      .091
                   JUL
                     20...       52       280      340      110      .10      660     .128      2.7     <.050


                                                  NITRO-   PHOS-            SOLIDS,  SOLIDS,  CHLOR-A  CHLOR-B
                                NITRO-             GEN,   PHORUS            RESIDUE  SUM OF    PHYTO-   PHYTO-
                                 GEN,    NITRO-  NITRITE   ORTHO,   PHOS-   AT 180   CONSTI-   PLANK-   PLANK-
                               ORGANIC    GEN,     DIS-    DIS-    PHORUS    DEG. C  TUENTS,    TON      TON
                                TOTAL    TOTAL    SOLVED  SOLVED    TOTAL     DIS-     DIS-   CHROMO   CHROMO
                       DATE     (MG/L    (MG/L    (MG/L   (MG/L     (MG/L    SOLVED   SOLVED  FLUOROM  FLUOROM
                                AS N)    AS N)    AS N)   AS P)     AS P)    (MG/L)   (MG/L)   (UG/L)   (UG/L)
                               (00605)  (00600)  (00613)  (00671)  (00665)  (70300)  (70301)  (70953)  (70954)

                   OCT
                     21...       3.8       --     <.010    .061     .258     1620     1600     82.0     <.100
                   FEB
                     25...       2.4      2.8     <.010    .203     .247     1830     1830      5.00     .160
                   MAY
                     11...       2.5      2.6     <.010    .078     .223     1530     1430     33.9      .710
                   JUL
                     20...       2.6       --     <.010    .175     .277     1510     1440     14.9      .130


                                                                    MANGA-            MOLYB-   SELE-    STRON-
                               ARSENIC   IRON,    LEAD,   LITHIUM   NESE,   MERCURY   DENUM,   NIUM,     TIUM,
                                 DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-
                                SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED
                       DATE     (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L
                                AS AS)   AS FE)   AS PB)   AS LI)   AS MN)   AS HG)   AS MO)   AS SE)   AS SR)
                               (01000)  (01046)  (01049)  (01130)  (01056)  (71890)  (01060)  (01145)  (01080)

                   OCT
                     21...       14       30      <1.0      140       20      <.1      2.0       2       470
                   FEB
                     25...        8       40      <1.0      160       20      <.1      3.0       1       530
                   MAY
                     11...        9       20      <1.0      130       10      <.1     <1.0      <1       590
                   JUL
                     20...        9       30       1.0      140      100      <.1     <1.0      <1       470

                                                                     PH                       OXYGEN,
                                                           SPE-     WATER                       DIS-
                                                           CIFIC    WHOLE                      SOLVED
                                                   SAM-    CON-     FIELD   TEMPER-  OXYGEN,   (PER-
                                                  PLING    DUCT-   (STAND-   ATURE     DIS-     CENT
                                DATE      TIME    DEPTH    ANCE      ARD     WATER    SOLVED   SATUR-
                                                   (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)   ATION)
                                                 (00098)  (00095)  (00400)  (00010)  (00300)  (00301)

                            OCT
                              21...       1245     .00     2220      8.4      6.5     12.3      105
                              21...       1246    1.0      2220      8.5      6.4     11.8       --
                              21...       1247    2.0      2200      8.5      6.4     11.6       --
                              21...       1248    3.0      2210      8.5      6.3     11.4       --
                              21...       1249    4.0      2200      8.5      6.1     11.0       --
                              21...       1250    5.0      2230      8.5      6.1     10.9       --
                              21...       1251    6.0      2240      8.5      6.1     10.9       --
                              21...       1252    7.1      2230      8.5      6.1     10.7       --
                            FEB
                              25...       1021     .80     2600      8.7       .1      6.5       48
                              25...       1022    1.8      2590      8.7       .3      6.4       --
                              25...       1023    2.7      2590      8.7       .5      6.3       --
                              25...       1024    3.5      2590      8.7       .6      6.0       --
                              25...       1025    4.5      2580      8.7      1.1      5.8       --
                              25...       1026    5.6      2600      8.6      1.6      4.8       --
                              25...       1027    6.4      2600      8.5      2.4      3.0       --
                              25...       1028    6.9      2620      8.4      2.8      1.4       --
                            MAY
                              11...       1130     .00     2090      8.6      9.0     10.4       96
                              11...       1131    1.1      2100      8.6      9.1     10.2       --
                              11...       1132    2.0      2100      8.6      9.1     10.1       --
                              11...       1133    2.9      2100      8.6      9.1     10.0       --
                              11...       1134    4.0      2100      8.7      9.1      9.9       --
                              11...       1135    5.1      2100      8.7      9.1      9.9       --
                              11...       1136    6.1      2100      8.7      9.1      9.9       --
                              11...       1137    7.0      2100      8.7      9.0      9.8       --
                              11...       1138    7.4      2100      8.7      9.1      9.8       --
                            JUL
                              20...       0950     .00     2120      8.6     21.4      8.4      102
                              20...       0951    1.0      2120      8.6     21.4      8.4       --
                              20...       0952    1.9      2120      8.6     21.4      8.2       --
                              20...       0953    2.9      2120      8.6     21.3      8.1       --
                              20...       0954    4.0      2120      8.6     21.1      7.6       --
                              20...       0955    5.0      2120      8.5     21.0      7.0       --
                              20...       0956    5.9      2120      8.5     20.7      4.0       --
                              20...       0957    7.0      2120      8.4     20.4      2.5       --
                              20...       0958    7.5      2120      8.3     20.4      2.0       --

                                              BARO-                               WIND
                                              METRIC            TRANS-            DIREC-
                                              PRES-              PAR-              TION    WIND
                                               SURE   ICE        ENCY   TEMPER-   (DEG.    SPEED
                                               (MM    THICK-   (SECCHI   ATURE     FROM    (MILES
                                     DATE       OF    NESS      DISK)     AIR      TRUE     PER
                                               HG)    (FEET)     (IN)   (DEG C)   NORTH)   HOUR)
                                             (00025)  (82130)  (00077)  (00020)  (00036)  (00035)

                                 OCT
                                   21...       732       --     13.0     13.0      200     <5.0
                                   21...        --       --       --       --       --       --
                                   21...        --       --       --       --       --       --
                                   21...        --       --       --       --       --       --
                                   21...        --       --       --       --       --       --
                                   21...        --       --       --       --       --       --
                                   21...        --       --       --       --       --       --
                                   21...        --       --       --       --       --       --
                                 FEB
                                   25...       723      2.60    39.0     -1.5      125      9.0
                                   25...        --       --       --       --       --       --
                                   25...        --       --       --       --       --       --
                                   25...        --       --       --       --       --       --
                                   25...        --       --       --       --       --       --
                                   25...        --       --       --       --       --       --
                                   25...        --       --       --       --       --       --
                                   25...        --       --       --       --       --       --
                                 MAY
                                   11...       720       --     33.0      9.0      200     10
                                   11...        --       --       --       --       --       --
                                   11...        --       --       --       --       --       --
                                   11...        --       --       --       --       --       --
                                   11...        --       --       --       --       --       --
                                   11...        --       --       --       --       --       --
                                   11...        --       --       --       --       --       --
                                   11...        --       --       --       --       --       --
                                   11...        --       --       --       --       --       --
                                 JUL
                                   20...       718       --     30.0     25.0      225      5.0
                                   20...        --       --       --       --       --       --
                                   20...        --       --       --       --       --       --
                                   20...        --       --       --       --       --       --
                                   20...        --       --       --       --       --       --
                                   20...        --       --       --       --       --       --
                                   20...        --       --       --       --       --       --
                                   20...        --       --       --       --       --       --
                                   20...        --       --       --       --       --       --
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Return to 1999 Data Report

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Last update: Tuesday, 09-Aug-2005 12:29:53 EDT