JAMES RIVER BASIN

                                              06470500  JAMES RIVER AT LAMOURE, ND

LOCATION.--Lat 4621'20", long 9818'15", in NE1/4NE1/4 sec.11, T.133 N., R.61 W., LaMoure County, Hydrologic Unit 10160003, on
   left bank 80 ft downstream from bridge on State Highway 13, 0.5 mi west of LaMoure and 12 mi upstream from Cottonwood Creek.

DRAINAGE AREA.--4,390 mi2, approximately, of which about 2,600 mi2 is probably noncontributing.

                                                    WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--April to July 1903 (gage-height record only), April 1950 to current year. Gage-height records for 1902-11 are
   contained in reports of the National Oceanic and Atmospheric Administration.
REVISED RECORDS.--WSP 1917: Drainage area.

GAGE.--Water-stage recorder and rubble-masonry control. Datum of gage is 1,290.00 ft above sea level. See WSP 1729 or 1917 for
   history of changes prior to Apr. 19, 1950.

REMARKS.--Records good except for periods of estimated discharge, which are fair. Flow regulated by Arrowwood, Jim, and Pipestem
   Lakes and Jamestown Reservoir, combined capacity, 393,000 acre-ft. Regulation by Jamestown Reservoir (station 06469000) 85 mi
   upstream since 1953 and by Pipestem Lake, capacity 147,000 acre-ft, since 1973.

EXTREMES OUTSIDE PERIOD OF RECORD.--Prior to flood of Apr. 14, 1969, a long-time resident said that the flood of May 16, 1950,
   was the highest since 1881, with stage in either 1942 or 1943 being almost as high owing to large ice jam.

                          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       765      193      124       64      e32     1540      122      125      116      294      507      572
          2       760      153      109       60      e33     1230      130      123      109      294      500     e584
          3       711      164       98       56      e36      810      119      147      105      287      504     e595
          4       678      161       99       52      e35      524      113      128      113      291      505     e610
          5       670      157       73       51      e34      428      150      117      102      448      519     e603

          6       648      155       62       50      e35      367       95      128      101      714      519      597
          7       620      149       78       49      e36      310      115      117      111      566      523      599
          8       595      127       85       48      e35      303      111      135       97      444      518      599
          9       587      119       79       47      e36      208      104      125       93      380      505      600
         10       551      109       74       47      e36      249      106      140      102      362      500      589

         11       524      110       78       41      e34      233      109      146       82      372      499      594
         12       511      113       82      e41      e33      257       98      157       85      376      503      597
         13       469      117       81      e40      e34      197      115      143       84      408      487      589
         14       459      102       82      e39      e36      153      112      134       96      554      496      590
         15       413      105       80      e38      e37      139      103      133       89      624      492      590

         16       370       98       69      e37      e35      113      104      129      107      571      517      597
         17       335      101       66      e37      e34       92       98      132      146      503      517      614
         18       308      115       68      e36      e34      115      114      120      205      473      508      629
         19       282       98       75      e36      e35      124      111      116      210      465      508     e636
         20       272      104       73      e35      e36      133      119      120      215      453      504     e623

         21       259      101       84      e36       38      124      113      114      202      477      518      614
         22       220       97       83      e37       37      130      114      114      221      484      509      655

         23       214      100       70      e35       36      131      105      110      283      473      510      652
         24       205      101       65      e34       39      160      102      110      297      464      505      672
         25       213       99       63      e33       56      150      104       95      317      454      502      649

         26       203       97       66      e32      106      163      109       96      317      446      495      640
         27       211       95       66      e32      342      158      113      102      303      456      493      629
         28       175       86       66      e32      976      139      109       97      302      502      533      625
         29       189       77       65      e32     1590      139      114      107      292      510      536      624
         30       177      109       67      e32      ---      135      132      119      291      506      548      617
         31       170      ---       67      e32      ---      131      ---      111      ---      504      556      ---

        TOTAL   12764     3512     2397     1271     3916     9085     3363     3790     5193    14155    15836    18384
        MEAN      412      117     77.3     41.0      135      293      112      122      173      457      511      613
        MAX       765      193      124       64     1590     1540      150      157      317      714      556      672
        MIN       170       77       62       32       32       92       95       95       82      287      487      572
        AC-FT   25320     6970     4750     2520     7770    18020     6670     7520    10300    28080    31410    36460

        STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1950 - 2000, BY WATER YEAR (WY)

        MEAN      102     58.8     24.8     15.9     21.5      199      432      339      250      205      138      121
        MAX      1008      399      116     75.1      135     1202     3209     3114     1369     1165      894      939
        (WY)     1994     1994     1995     1995     2000     1966     1997     1950     1997     1995     1995     1993
        MIN      5.32     8.42     6.83     3.69     1.90     4.57     18.0     12.4     8.10     1.93     3.20     2.56
        (WY)     1991     1962     1989     1959     1959     1969     1991     1977     1973     1973     1961     1990

        SUMMARY STATISTICS           FOR 1999 CALENDAR YEAR        FOR 2000 WATER YEAR           WATER YEARS 1950 - 2000

        ANNUAL TOTAL                      220704                      93666
        ANNUAL MEAN                          605                        256                        154
        HIGHEST ANNUAL MEAN                                                                        786              1997
        LOWEST ANNUAL MEAN                                                                          11.7            1990
        HIGHEST DAILY MEAN                  3410     May 14            1590     Feb 29            6420       Apr 14 1969
        LOWEST DAILY MEAN                     32     Feb 22              32     Jan 26                .00    Jul 15 1973
        ANNUAL SEVEN-DAY MINIMUM              32     Feb 20              32     Jan 26                .01    Jul 17 1973
        INSTANTANEOUS PEAK FLOW                                        1630     Feb 29            6800       Apr 14 1969
        INSTANTANEOUS PEAK STAGE                                          9.34  Feb 29              16.17    Apr 14 1969
        INSTANTANEOUS LOW FLOW                                                                        .00    Jul 15 1973
        ANNUAL RUNOFF (AC-FT)             437800                     185800                     111900
        10 PERCENT EXCEEDS                   987                        596                        452
        50 PERCENT EXCEEDS                   785                        130                         30
        90 PERCENT EXCEEDS                    38                         37                          7.3

        e  Estimated
        
        
                                                     WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water year 1957 to current year.

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

                                     DIS-     PH       PH
                                   CHARGE,   WATER    WATER    SPE-                       HARD-             MAGNE-
                                    INST.    WHOLE    WHOLE    CIFIC                      NESS    CALCIUM    SIUM,
                                    CUBIC    FIELD     LAB     CON-    TEMPER-  TEMPER-   TOTAL    DIS-      DIS-
                                     FEET   (STAND-  (STAND-   DUCT-    ATURE    ATURE    (MG/L    SOLVED   SOLVED
                  DATE      TIME     PER      ARD      ARD     ANCE      AIR     WATER     AS      (MG/L    (MG/L
                                    SECOND   UNITS)   UNITS)  (US/CM)  (DEG C)  (DEG C)   CACO3)   AS CA)   AS MG)
                                   (00061)  (00400)  (00403)  (00095)  (00020)  (00010)  (00900)  (00915)  (00925)

              OCT
                14...       1615     447       --       --      951     15.5     10.0       --       --       --
              NOV
                17...       1100     934       --       --     1060      6.0      4.7       --       --       --
              MAR
                15...       1030     140       --       --     1040       --      4.0       --       --       --
              MAY
                09...       1035     120      7.9       --     1090     16.0     17.0      430     72.0     60.0
              JUN
                15...       1400      92       --       --     1110     21.5     21.5       --       --       --
              AUG
                08...       1400     513      7.8      8.1      855     24.0     25.0      320     62.0     41.0


                                                                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)

              OCT
                14...        --       --       --       --       --       --       --       --       --       --
              NOV
                17...        --       --       --       --       --       --       --       --       --       --
              MAR
                15...        --       --       --       --       --       --       --       --       --       --
              MAY
                09...      18.0       2      100       33       283     47.0       .2      320      268      827
              JUN
                15...        --       --       --       --       --       --       --       --       --       --
              AUG
                08...      16.0       2       84.0     35       294     21.0       .2      200      924      667


                          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
                14...        --       --       --       --       --       --       --       --       --       --
              NOV
                17...        --       --       --       --       --       --       --       --       --       --
              MAR
                15...        --       --       --       --       --       --       --       --       --       --
              MAY
                09...       788      4.0      20        1      80.0     1000       .3       1      <1.0      480
              JUN
                15...        --       --       --       --       --       --       --       --       --       --
              AUG
                08...       601      6.0      50        1      60.0      100      <.1      <1      <1.0      390

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