RED RIVER OF THE NORTH BASIN

                                          05056670  WESTERN STUMP LAKE NEAR LAKOTA, ND

LOCATION.--Lat 4754'48", long 9823'26", in SE1/4NE1/4NW1/4 sec.7, T.151 N., R.60 W., Nelson County, Hydrologic Unit 09020201,
   at southeast arm of lake.

DRAINAGE AREA.--Not determined.


                                                     WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1958-79, 1993 to current year.

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

                                    DEPTH    DEPTH     SPE-     PH                ANC
                                    TO TOP  TO BOT-   CIFIC    WATER    HARD-   UNFLTRD            MAGNE-
                                      OF    TOM OF     CON-    WHOLE    NESS    TIT 4.5  CALCIUM    SIUM,  SODIUM,
                                    SAMPLE   SAMPLE   DUCT-     LAB     TOTAL     LAB     DIS-      DIS-    DIS-
                                    INTER-   INTER-   ANCE    (STAND-   (MG/L    (MG/L    SOLVED   SOLVED  SOLVED
                  DATE      TIME   VAL(IN   VAL(IN     LAB      ARD      AS       AS      (MG/L    (MG/L    (MG/L
                                   METERS)  METERS)  (US/CM)   UNITS)   CACO3)   CACO3)   AS CA)   AS MG)   AS NA)
                                   (82047)  (82048)  (90095)  (00403)  (00900)  (90410)  (00915)  (00925)  (00930)

              OCT
                19...       1320     .00      1.2       --       --     2400      343      130      500     2500
              FEB
                16...       1150     .70      4.2     13000     8.0     2700      413      150      560     2800
              MAY
                09...       1105     .00      4.1     12000     8.3     2500      381      140      510     2400
              AUG
                02...       1200     .00      4.9     11500     8.8     2200      323      140      460     2300


                                                                                SOLIDS,  SOLIDS,            NITRO-
                                    SODIUM   POTAS-            CHLO-    FLUO-   SUM OF   RESIDUE  SOLIDS,    GEN,
                                      AD-     SIUM,  SULFATE   RIDE,    RIDE,   CONSTI-  AT 180     DIS-   NITRITE
                                    SORP-     DIS-    DIS-     DIS-      DIS-   TUENTS,   DEG. C   SOLVED    DIS-
                                     TION    SOLVED   SOLVED   SOLVED   SOLVED    DIS-     DIS-    (TONS    SOLVED
                  DATE     SODIUM   RATIO    (MG/L    (MG/L    (MG/L    (MG/L    SOLVED   SOLVED    PER     (MG/L
                          PERCENT            AS K)   AS SO4)   AS CL)   AS F)    (MG/L)   (MG/L)   AC-FT)   AS N)
                          (00932)  (00931)  (00935)  (00945)  (00940)  (00950)  (70301)  (70300)  (70303)  (00613)

              OCT
                19...       68       22       140     6100      940      .1      10500    10300    14.0      .031
              FEB
                16...       68       24       150     6800     1000      .2      11700    11900    16.2      .020
              MAY
                09...       67       21       140     6100      950      .1      10500    10900    14.9      .014
              AUG
                02...       68       21       126     5500      920      .1       9640    10000    13.6     <.010


                           NITRO-   NITRO-   NITRO-            NITRO-                     PHOS-
                            GEN,     GEN,     GEN,    NITRO-  GEN,AM-                    PHORUS
                          NITRATE  NO2+NO3  AMMONIA    GEN,   MONIA +   NITRO-   PHOS-    ORTHO,  ARSENIC   IRON,
                            DIS-     DIS-     DIS-   ORGANIC  ORGANIC    GEN,   PHORUS    DIS-      DIS-     DIS-
                           SOLVED   SOLVED   SOLVED   TOTAL    TOTAL    TOTAL    TOTAL   SOLVED    SOLVED   SOLVED
                  DATE     (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L   (MG/L     (UG/L    (UG/L
                           AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS P)   AS P)     AS AS)   AS FE)
                          (00618)  (00631)  (00608)  (00605)  (00625)  (00600)  (00665)  (00671)  (01000)  (01046)

              OCT
                19...       .023     .054    .613      3.1      3.8      3.8     .182     .102      4.0       90
              FEB
                16...       .301     .321    .826      2.5      3.4      3.7     .225     .142      2.0       90
              MAY
                09...        --     <.050    .286      2.9      3.2       --     .207     .091     <1.0      120
              AUG
                02...        --     <.050    .174      2.2      2.4       --     .241     .203      4.0      100


                                                                                             CHLOR-A  CHLOR-B
                                                 MANGA-            MOLYB-   SELE-    STRON-   PHYTO-   PHYTO-
                               LEAD,   LITHIUM   NESE,   MERCURY   DENUM,   NIUM,     TIUM,   PLANK-   PLANK-
                                DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     TON      TON
                               SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED  CHROMO   CHROMO
                      DATE     (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L   FLUOROM  FLUOROM
                               AS PB)   AS LI)   AS MN)   AS HG)   AS MO)   AS SE)   AS SR)   (UG/L)   (UG/L)
                              (01049)  (01130)  (01056)  (71890)  (01060)  (01145)  (01080)  (70953)  (70954)

                  OCT
                    19...       <1       780       60      .3        1       3.0      410       --       --
                  FEB
                    16...       <1       800       50      .1        2       2.0      380       --       --
                  MAY
                    09...       <1       740       50      .1       <1       2.0      360       --       --
                  AUG
                    02...       <1       680      230      .2       <1      <1.0      530      8.9       .3


                                                                                  PH
                                                                        SPE-     WATER
                                             ELEV-   DEPTH              CIFIC    WHOLE
                                             ATION   OF         SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                             ABOVE   LAKE      PLING    DUCT-   (STAND-   ATURE     DIS-
                           DATE      TIME     NGVD   MAXIMUM   DEPTH    ANCE      ARD     WATER    SOLVED
                                             (FEET)  (FEET)     (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                            (72020)  (82016)  (00098)  (00095)  (00400)  (00010)  (00300)

                       OCT
                         19...       1310   1408.00   14.4      .00     12100     8.4      6.9      9.9
                         19...       1311      --       --     1.0      12000     8.4      6.9      9.8
                         19...       1312      --       --     2.0      12100     8.4      6.9      9.7
                         19...       1313      --       --     3.0      12000     8.4      7.0      9.6
                         19...       1314      --       --     4.1      12200     8.4      7.3      9.3
                         19...       1315      --       --     4.4      12200     8.4      7.3      9.3
                       FEB
                         16...       1140   1407.80   13.8      .70     13800     8.0      -.6     11.3
                         16...       1141      --       --     1.1      13800     8.1      -.6     11.3
                         16...       1142      --       --     2.0      13800     8.1      -.6     10.8
                         16...       1143      --       --     3.0      13900     8.1      -.6     10.6
                         16...       1144      --       --     4.0      13900     8.1      -.3      9.1
                         16...       1145      --       --     4.2      13900     8.1      -.2      8.6
                       MAY
                         09...       1055   1407.90   13.4      .00     12300     7.9     14.7      7.6
                         09...       1056      --       --     1.0      12400     8.0     14.5      7.5
                         09...       1057      --       --     1.9      12400     8.1     13.9      7.7
                         09...       1058      --       --     2.9      12400     8.1     13.8      7.7
                         09...       1059      --       --     3.9      12600     8.1     13.1      7.6
                         09...       1100      --       --     4.1      12500     8.2     12.9      6.7
                       AUG
                         02...       1145   1409.60   16.1      .00     11500     8.5     24.9      9.4
                         02...       1146      --       --     1.0      11600     8.5     24.5      9.4
                         02...       1147      --       --     2.0      11600     8.5     23.7      8.0
                         02...       1148      --       --     3.0      11600     8.5     23.4      5.9
                         02...       1149      --       --     4.1      11800     8.4     23.5      2.4
                         02...       1150      --       --     4.9      12100     8.3     20.8       .9


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

                           OCT
                             19...        88      734       --     24.0       3.5     300      5.0
                             19...        --       --       --       --       --       --       --
                             19...        --       --       --       --       --       --       --
                             19...        --       --       --       --       --       --       --
                             19...        --       --       --       --       --       --       --
                             19...        --       --       --       --       --       --       --
                           FEB
                             16...        83      739       .65      .54    -10.0     120     <5.0
                             16...        --       --       --       --       --       --       --
                             16...        --       --       --       --       --       --       --
                             16...        --       --       --       --       --       --       --
                             16...        --       --       --       --       --       --       --
                             16...        --       --       --       --       --       --       --
                           MAY
                             09...        82      722       --     28.0      14.0     260     <5.0
                             09...        --       --       --       --       --       --       --
                             09...        --       --       --       --       --       --       --
                             09...        --       --       --       --       --       --       --
                             09...        --       --       --       --       --       --       --
                             09...        --       --       --       --       --       --       --
                           AUG
                             02...       125      722       --     51.0      28.0     170     <5.0
                             02...        --       --       --       --       --       --       --
                             02...        --       --       --       --       --       --       --
                             02...        --       --       --       --       --       --       --
                             02...        --       --       --       --       --       --       --
                             02...        --       --       --       --       --       --       --

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