RED RIVER OF THE NORTH BASIN

                                          05056220  SWEETWATER LAKE AT SWEETWATER, ND

LOCATION.--Lat 48o12'39", long 98o52'15", in NE1/4SW1/4SW1/4 sec.27, T.155 N., R.64 W., Ramsey County, Hydrologic Unit 09020201,
   at southwest arm of lake 6 mi north of Devils Lake.

DRAINAGE AREA.--670 mi2 of which about 290 mi2 is probably noncontributing.

                                                     WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1960, 1962-87, 1993 to current year.


                                 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
                 20...       1545     .00      1.9      8.0     1230      410       88      47       17        2
               FEB
                 22...       1615     .60      1.7       --     1990      720      150      84       25        3
               MAY
                 11...       0825     .00      2.2      8.2      803      270       60      30       16        2
               JUL
                 19...       1815     .00      1.9      9.2     1040      360       68      45       16        2


                                                   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
                     20...       36       110     <278      37       .20      360      .115     2.4      .258
                   FEB
                     22...       37       200      489      56       .30      630      .593     3.3      .191
                   MAY
                     11...       31        60      193      21       .10      220     <.020     1.7      .055
                   JUL
                     19...       37       100      219      30       .10      320     <.020     2.2     <.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
                     20...       2.3      2.7     <.010    .138     .363      868       --     46.0     2.20
                   FEB
                     22...       2.7      3.5     <.010    .449     .531     1440     1440      1.30    <.100
                   MAY
                     11...        --      1.7     <.010    .039     .329      547      524     26.0      .920
                   JUL
                     19...        --       --     <.010    .220     .322      752      712      6.30    <.100


                                                                    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
                     20...       10       20      <1.0      50        20      <.1      4.0       1       340
                   FEB
                     22...        9       70      <1.0      90       580      <.1      7.0       1       530
                   MAY
                     11...        3       20      <1.0      40       <10      <.1      1.0       1       330
                   JUL
                     19...        8       50       2.0      50        60      <.1      1.0      <1       320

                                                                     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
                              20...       1540     .00     1210      8.1      5.2     12.4      103
                              20...       1541     .60     1210      8.2      5.2     12.2       --
                              20...       1542    1.0      1210      8.2      5.2     12.0       --
                              20...       1543    1.5      1210      8.2      5.2     12.0       --
                              20...       1544    1.9      1210      8.2      5.2     11.9       --
                            FEB
                              22...       1611     .60     1960      7.2       .5      1.0        7
                              22...       1612    1.0      1970      7.2       .3       .9       --
                              22...       1613    1.5      1970      7.2      1.3       .8       --
                              22...       1614    1.7      1980      7.2      2.1       .7       --
                            MAY
                              11...       0820     .00      792      8.3      7.6     10.5       93
                              11...       0821     .90      791      8.3      7.6     10.3       --
                              11...       0822    1.7       792      8.3      7.6     10.3       --
                              11...       0823    2.2       792      8.3      7.6     10.2       --
                            JUL
                              19...       1810     .00     1020      9.1     28.8     12.6      174
                              19...       1811     .80     1020      9.1     23.8     12.3       --
                              19...       1812    1.5      1040      9.1     20.6     10.0       --
                              19...       1813    1.9      1040      9.0     20.0      6.2       --


                                              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
                                   20...       730       --      8.00    10.5      290     10
                                   20...        --       --       --       --       --       --
                                   20...        --       --       --       --       --       --
                                   20...        --       --       --       --       --       --
                                   20...        --       --       --       --       --       --
                                 FEB
                                   22...       728      1.96    24.0     -7.0      150     12
                                   22...        --       --       --       --       --       --
                                   22...        --       --       --       --       --       --
                                   22...        --       --       --       --       --       --
                                 MAY
                                   11...       719       --      4.00     7.0      180      9.0
                                   11...        --       --       --       --       --       --
                                   11...        --       --       --       --       --       --
                                   11...        --       --       --       --       --       --
                                 JUL
                                   19...       719       --     36.0     29.0      225      6.0
                                   19...        --       --       --       --       --       --
                                   19...        --       --       --       --       --       --
                                   19...        --       --       --       --       --       --

Return to 1999 Data Report

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