RED RIVER OF THE NORTH BASIN

                                            05060400  SHEYENNE RIVER AT HARWOOD, ND

LOCATION.--Lat 4658'38", long 9653'36", in SW1/4SE1/4SW1/4 sec.33, T.141 N., R.49 W., Cass County, Hydrologic Unit 09020204,
   at bridge crossing 0.5 mi west of Harwood.

DRAINAGE AREA.--Revised drainage area will be published when available.

                                                      GAGE HEIGHT RECORDS

PERIOD OF RECORD.--March 1995 to current year (gage heights and maximum discharge only).

GAGE.--Water stage recorder. Datum of gage 800 ft above sea level.

REMARKS.--Flow regulated to a large degree by Lake Ashtabula (station 05057500), 255 mi upstream.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, about 11,000 ft3/s, Apr. 16, 1997, gage height, 92.02 ft.

EXTREMES FOR CURRENT YEAR.--Maximum discharge, about 6,500 ft3/s, June 24, gage height, 90.33 ft.

                                 GAGE HEIGHT, FEET, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
                                                       DAILY MEAN VALUES

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

          1     69.87    69.46    69.40    70.53    69.37    75.73    71.56    70.39    68.95    80.97    73.03    70.15
          2     69.81    69.37    69.71    70.50    69.31    74.99    71.29    70.46    68.93    79.35    72.65    70.57
          3     69.75    69.38    69.72    70.44    69.26    74.31    71.03    70.40    68.94    78.40    71.94    73.49
          4     69.71    69.35    69.84    70.39    69.27    73.81    70.87    70.30    69.01    77.32    71.38    75.86
          5     69.87    69.27    70.02    70.32    69.21    74.08    70.78    70.21    68.99    77.08    71.01    75.64

          6     69.82    69.19    70.43    70.28    69.15    74.72    70.53    70.12    69.50    77.55    70.74    74.35
          7     69.64    69.15    70.35    70.22    69.16    74.97    70.46    70.04    69.90    79.06    70.55    73.09
          8     69.59    69.13    70.22    70.12    69.13    73.82    70.44    70.10    69.81    81.11    70.44    71.91
          9     69.53    69.09    70.26    70.11    69.18    71.94    70.35    70.07    69.46    80.52    70.24    71.14
         10     69.56    69.09    70.24    70.10    69.12    71.53    70.28    70.14    69.18    78.85    69.92    70.72

         11     69.50    69.14    70.21    70.11    69.10    71.03    70.35    70.20    68.98    77.09    69.73    70.45
         12     69.40    69.19    70.32    70.02    69.05    71.00    70.32    70.22    68.86    76.24    69.52    70.22
         13     69.31    69.21    70.39    70.00    69.03    70.86    70.28    70.14    68.83    75.46    69.40    69.98
         14     69.33    69.28    70.44    69.92    69.03    70.75    70.25    70.09    68.92    74.96    69.29    70.14
         15     69.39    69.28    70.31    69.85    69.05    70.53    70.30    70.13    68.95    74.62    69.26    70.39

         16     69.41    69.34    70.15    69.79    69.02    70.42    70.38    70.21    69.25    74.24    69.40    70.45
         17     69.45    69.48    69.89    69.74    69.00    70.16    70.34    70.11    70.18    73.67    69.47    70.52
         18     69.48    69.49    69.51    69.66    68.98    69.37    70.30    70.06    70.70    73.33    69.12    70.51
         19     69.52    69.49    69.54    69.62    69.01    69.46    70.29    70.06    70.22    73.32    69.06    70.61
         20     69.53    69.45    69.73    69.61    69.03    69.78    70.51    69.88    83.00    73.28    69.00    70.51

         21     69.56    69.43    69.93    69.63    69.05    69.76    70.76    69.79    88.33    73.30    69.04    70.49
         22     69.50    69.42    70.05    69.64    69.08    70.28    71.14    69.70    89.65    73.29    69.01    70.74
         23     69.54    69.42    70.12    69.60    69.14    72.58    71.19    69.56    90.11    73.41    69.09    70.84
         24     69.46    69.41    70.07    69.59    69.17    76.91    71.12    69.68    90.23    73.55    69.08    70.77
         25     69.54    69.41    70.15    69.67    69.80    78.79    70.93    69.62    90.19    73.55    69.05    70.45

         26     69.44    69.39    70.12    69.71    72.91    78.36    70.75    69.47    90.01    73.67    69.00    70.10
         27     69.46    69.39    70.14    69.62    73.75    76.27    70.58    69.29    89.49    73.85    69.12    70.25
         28     69.34    69.47    70.24    69.49    74.34    74.26    70.49    69.05    88.41    73.94    69.86    70.53
         29     69.36    69.16    70.33    69.46    75.55    73.18    70.41    68.95    86.32    73.91    70.22    70.42
         30     69.31    69.29    70.45    69.41      ---    72.45    70.38    69.02    83.56    73.63    70.07    70.31
         31     69.36      ---    70.51    69.38      ---    71.91      ---    68.94      ---    73.25    70.17      ---

        TOTAL 2155.34  2079.62  2172.79  2166.53  2025.25  2258.01  2118.66  2166.40  2286.86  2345.77  2168.86  2135.60
        MEAN    69.53    69.32    70.09    69.89    69.84    72.84    70.62    69.88    76.23    75.67    69.96    71.19
        MAX     69.87    69.49    70.51    70.53    75.55    78.79    71.56    70.46    90.23    81.11    73.03    75.86
        MIN     69.31    69.09    69.40    69.38    68.98    69.37    70.25    68.94    68.83    73.25    69.00    69.98


                                  Miscellaneous discharge measurements for Sheyenne River at Harwood

                    Date                 Discharge                                      Date               Discharge
               Apr. 5, 2000                 596                                     June 22, 2000            6,270
               
               
                                                     WATER-QUALITY RECORDS

PERIOD OF RECORD -- Water year 1997 to current year.


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

                                     DIS-     PH       SPE-
                                   CHARGE,   WATER    CIFIC    SPE-                       HARD-             MAGNE-
                                    INST.    WHOLE     CON-    CIFIC                      NESS    CALCIUM    SIUM,
                                    CUBIC     LAB     DUCT-    CON-    TEMPER-  TEMPER-   TOTAL    DIS-      DIS-
                                     FEET   (STAND-   ANCE     DUCT-    ATURE    ATURE    (MG/L    SOLVED   SOLVED
                  DATE      TIME     PER      ARD      LAB     ANCE      AIR     WATER     AS      (MG/L    (MG/L
                                    SECOND   UNITS)  (US/CM)  (US/CM)  (DEG C)  (DEG C)   CACO3)   AS CA)   AS MG)
                                   (00061)  (00403)  (90095)  (00095)  (00020)  (00010)  (00900)  (00915)  (00925)

              APR
                05...       1450     596      7.9     1340     1340     11.5      8.5      560      120     63.0


                                                                ANC                                        SOLIDS,
                           POTAS-   SODIUM                    UNFLTRD   CHLO-    FLUO-            SOLIDS,  RESIDUE
                            SIUM,     AD-   SODIUM,           TIT 4.5   RIDE,    RIDE,   SULFATE    DIS-   AT 180
                            DIS-    SORP-    DIS-               LAB     DIS-      DIS-    DIS-     SOLVED   DEG. C
                           SOLVED    TION   SOLVED             (MG/L    SOLVED   SOLVED   SOLVED   (TONS     DIS-
                  DATE     (MG/L    RATIO    (MG/L    SODIUM    AS      (MG/L    (MG/L    (MG/L     PER     SOLVED
                           AS K)             AS NA)  PERCENT   CACO3)   AS CL)   AS F)   AS SO4)    DAY)    (MG/L)
                          (00935)  (00931)  (00930)  (00932)  (90410)  (00940)  (00950)  (00945)  (70302)  (70300)

              APR
                05...      12.0       2      87.0      25       294     50.0      .2       390     1540      956


                          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)

              APR
                05...       899      4.0      20        1      70.0      60       <.1       1      <1.0      550

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