RED RIVER OF THE NORTH BASIN

                                            05056200  EDMORE COULEE NEAR EDMORE, ND

LOCATION.--Lat 4820'14", long 9839'33", in NW1/4NW1/4 sec.17, T.156 N., R.62 W., Ramsey County, Hydrologic Unit 09020201, on
   right bank 50 ft upstream from bridge on county highway, 11 mi southwest of Edmore, and about 13 mi upstream from Sweetwater
   Lake.

DRAINAGE AREA.--382 mi2, of which about 100 mi2 is probably noncontributing.


                                                    WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--April to June 1956, June 1957 to current year (seasonal records only since 1982).

REVISED RECORDS.--WSP 1728: Drainage area.

GAGE.--Water-stage recorder. Datum of gage is 1,400.00 ft above sea level. June 26, 1957, to Sept. 30, 1985, water-stage
   recorder at same site at a datum of 1,479.79 ft above sea level. Prior to June 26, 1957, nonrecording gage at same site and
   datum.

REMARKS.--Records fair.

EXTREMES FOR CURRENT YEAR.--Maximum discharge, 58 ft3/s, Sept. 6, gage height, 82.99 ft; no flow several days during year.

                          DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
                                                       DAILY MEAN VALUES

        DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

          1       ---      ---      ---      ---      ---     e.00      .29      .23      .06     1.7       8.1      2.6
          2       ---      ---      ---      ---      ---     e.00      .61      .18      .05     1.6       7.1      2.5
          3       ---      ---      ---      ---      ---     e.20     1.3       .17      .04     1.3       6.6      3.9
          4       ---      ---      ---      ---      ---    e4.0       .97      .17      .03      .97      5.8     24
          5       ---      ---      ---      ---      ---   e14        1.5       .16      .01      .92      5.9     44
        
          6       ---      ---      ---      ---      ---    11        1.7       .26      .00      .71      5.7     55
          7       ---      ---      ---      ---      ---     8.9      1.0       .23      .00      .67      5.3     57
          8       ---      ---      ---      ---      ---     6.5      1.5       .29      .00      .53      4.9     52
          9       ---      ---      ---      ---      ---     4.3      1.5       .35      .00      .37      4.2     47
         10       ---      ---      ---      ---      ---     2.7      1.3       .31      .00      .31      3.8     43

         11       ---      ---      ---      ---      ---     3.0      1.3       .28      .00      .96      3.4     39
         12       ---      ---      ---      ---      ---     3.5      1.1       .30      .00     4.3       3.9     36
         13       ---      ---      ---      ---      ---     2.8      1.6       .26      .00    13         3.6     33
         14       ---      ---      ---      ---      ---     1.9      1.6       .19      .02    12         3.4     29
         15       ---      ---      ---      ---      ---     1.3       .93      .16      .04    12         3.0     26

         16       ---      ---      ---      ---      ---      .98      .55      .16      .01    23         2.7     22
         17       ---      ---      ---      ---      ---      .69     1.0       .15      .00    31         2.5     19
         18       ---      ---      ---      ---      ---      .63      .92      .13     5.9     36         2.3     17
         19       ---      ---      ---      ---      ---      .67      .70      .13    13       40         2.2     15
         20       ---      ---      ---      ---      ---      .71      .66      .12    14       39         2.4     14

         21       ---      ---      ---      ---      ---      .75      .80      .12     9.9     33         2.4     12
         22       ---      ---      ---      ---      ---      .73     1.2       .12     6.0     26         2.3     12
         23       ---      ---      ---      ---      ---      .61      .73      .11     4.7     22         2.2     11
         24       ---      ---      ---      ---      ---      .74      .51      .10     3.3     18         2.2      9.6
         25       ---      ---      ---      ---      ---      .79      .47      .10     2.3     16         2.1      8.5

         26       ---      ---      ---      ---      ---      .65      .39      .10     1.8     16         1.9      7.5
         27       ---      ---      ---      ---      ---      .49      .37      .10     1.4     14         1.7      6.7
         28       ---      ---      ---      ---      ---      .34      .33      .10     1.4     12         2.1      6.1
         29       ---      ---      ---      ---      ---      .42      .27      .10     1.2     11         2.2      5.5
         30       ---      ---      ---      ---      ---      .32      .24      .08     1.5     10         2.8      5.0
         31       ---      ---      ---      ---      ---      .29      ---      .06      ---     9.3       3.0      ---

        TOTAL     ---      ---      ---      ---      ---    73.91    27.34     5.32    66.66   407.64    111.7    664.9
        MEAN      ---      ---      ---      ---      ---     2.38      .91      .17     2.22     13.1     3.60     22.2
        MAX       ---      ---      ---      ---      ---       14      1.7      .35       14       40      8.1       57
        MIN       ---      ---      ---      ---      ---      .00      .24      .06      .00      .31      1.7      2.5
        AC-FT     ---      ---      ---      ---      ---      147       54       11      132      809      222     1320

        STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1957 - 2000, BY WATER YEAR (WY)

        MEAN      .97      .32     .055     .000      .44     27.6      118     36.3     9.49     19.6     15.7     2.30
        MAX      9.79     5.73      .98     .000     11.6      232      529      309      141      306      437     45.4
        (WY)     1986     1981     1981     1958     1981     1995     1997     1997     1998     1993     1993     1993
        MIN      .000     .000     .000     .000     .000     .000     .000     .000     .000     .000     .000     .000
        (WY)     1959     1959     1958     1958     1959     1960     1991     1958     1958     1958     1958     1958

        SUMMARY STATISTICS                  WATER YEARS 1957 - 2000

        ANNUAL MEAN                          a 14.2
        HIGHEST ANNUAL MEAN                  a 47.7            1974
        LOWEST ANNUAL MEAN                     a .028          1958
        HIGHEST DAILY MEAN                   1770       Apr 24 1997
        LOWEST DAILY MEAN                        .00    Jul  1 1957
        ANNUAL SEVEN-DAY MINIMUM                 .00    Jul  1 1957
        INSTANTANEOUS PEAK FLOW              1830       Apr 24 1997
        INSTANTANEOUS PEAK STAGE               87.95    Apr 24 1997
        ANNUAL RUNOFF (AC-FT)             a 10280
        10 PERCENT EXCEEDS                     36
        50 PERCENT EXCEEDS                       .00
        90 PERCENT EXCEEDS                       .00

        a  Based on complete water years only (1958-82, 1994)
        e  Estimated
        
                                                             WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water year 1972 to current year.

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

                                DIS-    BARO-   OXYGEN,             PH       PH       SPE-
                              CHARGE,   METRIC    DIS-             WATER    WATER    CIFIC    SPE-
                               INST.    PRES-    SOLVED            WHOLE    WHOLE     CON-    CIFIC
                               CUBIC     SURE    (PER-   OXYGEN,   FIELD     LAB     DUCT-    CON-    TEMPER-  TEMPER-
                                FEET     (MM      CENT     DIS-   (STAND-  (STAND-   ANCE     DUCT-    ATURE    ATURE
             DATE      TIME     PER       OF     SATUR-   SOLVED    ARD      ARD      LAB     ANCE      AIR     WATER
                               SECOND    HG)     ATION)   (MG/L)   UNITS)   UNITS)  (US/CM)  (US/CM)  (DEG C)  (DEG C)
                              (00061)  (00025)  (00301)  (00300)  (00400)  (00403)  (90095)  (00095)  (00020)  (00010)

         OCT
           04...       1310      .02      --       --       --       --       --       --     1450     15.5      7.0
         MAR
           07...       0955     9.3       --       --       --       --       --       --     1400      5.0      4.0
           14...       1445     2.3      722       --     12.7      8.2       --     1560       --       --       .5
           28...       1015      .31      --       --       --       --       --       --     1530     -2.5      1.5
         APR
           10...       1410     1.3      719      97      12.4      8.5       --     1500     1530      1.7      2.4
         MAY
           10...       1050      .34     711       --      8.8      8.1       --     2080       --     16.0     15.0
         JUN
           16...       0835      .01      --       --       --       --       --       --     2120      7.5     12.0
         JUL
           13...       1840    13         --       --       --       --      8.3     1070       --     28.0     28.0
         AUG
           21...       1615     2.3       --       --      8.5      8.7      8.4      742      687     22.0     20.5


                                                                                      ANC
                      HARD-             MAGNE-   POTAS-   SODIUM                    UNFLTRD   CHLO-    FLUO-
                      NESS    CALCIUM    SIUM,    SIUM,     AD-   SODIUM,           TIT 4.5   RIDE,    RIDE,   SULFATE
                      TOTAL    DIS-      DIS-     DIS-    SORP-    DIS-               LAB     DIS-      DIS-    DIS-
                      (MG/L    SOLVED   SOLVED   SOLVED    TION   SOLVED             (MG/L    SOLVED   SOLVED   SOLVED
             DATE      AS      (MG/L    (MG/L    (MG/L    RATIO    (MG/L    SODIUM    AS      (MG/L    (MG/L    (MG/L
                      CACO3)   AS CA)   AS MG)   AS K)             AS NA)  PERCENT   CACO3)   AS CL)   AS F)   AS SO4)
                     (00900)  (00915)  (00925)  (00935)  (00931)  (00930)  (00932)  (90410)  (00940)  (00950)  (00945)

         OCT
           04...        --       --       --       --       --       --       --       --       --       --       --
         MAR
           07...        --       --       --       --       --       --       --       --       --       --       --
           14...       480     100      56.0     32.0       3      160       40       182      65.0      .2      540
           28...        --       --       --       --       --       --       --       --       --       --       --
         APR
           10...       490      99.0    58.0     20.0       3      150       39       222      65.0      .2      500
         MAY
           10...       800     160      97.0     24.0       3      210       36       479     100        .2      650
         JUN
           16...        --       --       --       --       --       --       --       --       --       --       --
         JUL
           13...       350      75.0    39.0     14.0       3      110       40       203      26.0      .2      330
         AUG
           21...       280      65.0    28.0     16.0       1       45.0     25       257      16.0      .2      100


                      NITRO-   NITRO-   NITRO-   NITRO-   NITRO-                     PHOS-                     SOLIDS,
                     GEN,AM-    GEN,     GEN,     GEN,     GEN,    NITRO-           PHORUS            SOLIDS,  RESIDUE
                     MONIA +  AMMONIA  NITRITE  NITRATE  NO2+NO3    GEN,    NITRO-   ORTHO,   PHOS-     DIS-   AT 180
                     ORGANIC    DIS-     DIS-     DIS-     DIS-   ORGANIC    GEN,    DIS-    PHORUS    SOLVED   DEG. C
                      TOTAL    SOLVED   SOLVED   SOLVED   SOLVED   TOTAL    TOTAL   SOLVED    TOTAL    (TONS     DIS-
             DATE     (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L   (MG/L     (MG/L     PER     SOLVED
                      AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)   AS P)     AS P)     DAY)    (MG/L)
                     (00625)  (00608)  (00613)  (00618)  (00631)  (00605)  (00600)  (00671)  (00665)  (70302)  (70300)

         OCT
           04...        --       --       --       --       --       --       --       --       --       --       --
         MAR
           07...        --       --       --       --       --       --       --       --       --       --       --
           14...       4.1      .964     .136    1.86     1.99      3.1      6.0      .973    1.12      7.39    1180
           28...        --       --       --       --       --       --       --       --       --       --       --
         APR
           10...       2.4     <.020    <.010      --     <.050      --       --      .044     .303     3.78    1110
         MAY
           10...       3.2     <.020    <.010      --     <.050      --       --      .515     .910     1.49    1620
         JUN
           16...        --       --       --       --       --       --       --       --       --       --       --
         JUL
           13...       2.0      .051     .024     .116     .140     1.9      2.1      .440     .578    27.9      778
         AUG
           21...       1.5     <.020    <.010      --     <.050      --       --      .399     .489     3.04     486


                          SOLIDS,
                          SUM OF                                        MANGA-            MOLYB-   SELE-    STRON-
                          CONSTI-  ARSENIC   IRON,    LEAD,   LITHIUM   NESE,   MERCURY   DENUM,   NIUM,     TIUM,
                          TUENTS,    DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-
                            DIS-    SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED
                  DATE     SOLVED   (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L
                           (MG/L)   AS AS)   AS FE)   AS PB)   AS LI)   AS MN)   AS HG)   AS MO)   AS SE)   AS SR)
                          (70301)  (01000)  (01046)  (01049)  (01130)  (01056)  (71890)  (01060)  (01145)  (01080)

              OCT
                04...        --       --       --       --       --       --       --       --       --       --
              MAR
                07...        --       --       --       --       --       --       --       --       --       --
                14...      1080      4.0      80        1       70.0     190      <.1       2       1.0      380
                28...        --       --       --       --       --       --       --       --       --       --
              APR
                10...      1030      4.0      80        1       70.0     220      <.1      <1       2.0      410
              MAY
                10...      1530      7.0      80        1      100      1400       .1       1      <1.0      610
              JUN
                16...        --       --       --       --       --       --       --       --       --       --
              JUL
                13...       718      8.0      50        1       50.0      20      <.1      <1      <1.0      370
              AUG
                21...       426      6.0      60        1       30.0      30      <.1       1       1.0      310

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