JAMES RIVER BASIN

                                   06468250  JAMES RIVER ABOVE ARROWWOOD LAKE NEAR KENSAL, ND

LOCATION.--Lat 4723'59", long 9847'50", in SW1/4SW1/4SW1/4 sec.2, T.145 N., R.64 W., Foster County, Hydrologic Unit 10160001,
   on left bank 20 ft upstream from bridge.

DRAINAGE AREA.--1,200 mi2, approximately, of which about 750 mi2 is probably noncontributing.

                                                    WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1985 to current year.

GAGE.--Water-stage recorder. Elevation of gage is 1,440 ft above sea level, from topographic map.

REMARKS.--Records good except for periods of estimated discharges, which are fair.

                          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        40     12        9.7     e5.7     e4.3     22         38       23     11        641      456      255
          2        39     15        9.8     e5.7     e4.3     17         38       23     11        611      415      222
          3        37     22        9.7     e5.7     e4.2     12         43       20     10        568      386      200
          4        35     17        9.4     e5.7     e4.2     11         36       25     13        530      359      181
          5        36     14        8.7     e5.7     e4.1      9.9       31       23     11        545      349      182

          6        36     14        8.5     e5.7     e4.1     11         34       25      7.6      570      333      225
          7        34     13        8.0     e5.6     e4.3      9.9       38       21      7.7      633      306      270
          8        32     11        7.9     e5.6     e4.5     11         32       20      8.6      764      279      284
          9        31     11        7.5     e5.5     e4.3     14         31       19     10        866      256      295
         10        31     12        7.4     e5.4     e4.0     16         34       15      7.4      896      241      293

         11        29     11        7.4     e5.3      3.9      8.8       33       16      5.5      904      230      289
         12        28      9.8      7.1     e5.0      4.1     11         32       19      5.3      948      222      262
         13        30     11       e7.0     e5.2      4.2     16         32       20      7.8     1070      211      245
         14        25     13       e6.9     e5.2      4.1     19         43       19     32       1170      193      223
         15        27     13       e6.8     e5.2      4.1     20         40       17     61       1240      178      194

         16        27    e14       e6.6     e5.2      4.1     21         34       18    141       1290      176      173
         17        25    e12       e6.5     e5.1      4.1     19         37       19    318       1270      188      157
         18        23     11       e6.4     e5.0      4.2     20         38       23    459       1210      164      141
         19        23     12       e6.2     e4.8      4.0     18         43       14    521       1130      145      129
         20        21      9.5     e6.1     e4.7      4.0     17         39       11    577       1040      159      117

         21        20      7.9     e6.0     e4.6      4.0     19         31       15    624        927      221      109
         22        22      8.2     e5.9     e4.6      4.3     23         31       14    658        833      446      113
         23        23      9.3     e5.9     e4.8      5.9     29         35       13    665        760      546      106
         24        20      9.8     e5.8     e4.7      6.8     48         31       12    686        712      573       94
         25        17     10       e5.8     e4.6     15       43         29       11    727        679      578       91

         26        17     10       e5.8     e4.6     36       44         30       11    740        655      539       89
         27        17     10       e5.8     e4.5     39       46         24       11    737        621      485       87
         28        20      9.8     e5.8     e4.5     37       45         25       11    721        587      440       82
         29        13      9.3     e5.7     e4.4     29       40         21       11    693        550      383       79
         30        14      9.4     e5.7     e4.4      ---     39         19       13    666        514      340       76
         31        14      ---     e5.7     e4.3      ---     37        ---       11      ---      487      311      ---

        TOTAL     806    351.0    217.5    157.0    260.1    716.6     1002      523   9141.9    25221    10108     5263
        MEAN     26.0     11.7     7.02     5.06     8.97     23.1     33.4     16.9      305      814      326      175
        MAX        40       22      9.8      5.7       39       48       43       25      740     1290      578      295
        MIN        13      7.9      5.7      4.3      3.9      8.8       19       11      5.3      487      145       76
        AC-FT    1600      696      431      311      516     1420     1990     1040    18130    50030    20050    10440

        STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 2000, BY WATER YEAR (WY)

        MEAN     9.15     12.9     5.70     1.88     2.90      217      437      138     51.3      103     80.5     27.6
        MAX      58.4      133     47.5     10.6     19.4      781     2188      625      305      814      688      175
        (WY)     1995     1995     1995     1995     1998     1995     1997     1997     2000     2000     1993     2000
        MIN      .000     .000     .000     .000     .000      .21     2.59     2.24     .077     .000     .000     .000
        (WY)     1989     1989     1989     1989     1989     1990     1991     1991     1991     1991     1988     1988

        SUMMARY STATISTICS           FOR 1999 CALENDAR YEAR        FOR 2000 WATER YEAR           WATER YEARS 1986 - 2000

        ANNUAL TOTAL                       64335.75                   53767.1
        ANNUAL MEAN                          176                        147                         90.7
        HIGHEST ANNUAL MEAN                                                                        245              1997
        LOWEST ANNUAL MEAN                                                                            .52           1991
        HIGHEST DAILY MEAN                  3550     Mar 30            1290     Jul 16            4400       Apr  5 1997
        LOWEST DAILY MEAN                       .31  Jan  8               3.9   Feb 11                .00    Oct  1 1985
        ANNUAL SEVEN-DAY MINIMUM                .31  Jan  7               4.1   Feb 10                .00    Oct  1 1985
        INSTANTANEOUS PEAK FLOW                                        1300     Jul 16            4700       Apr  5 1997
        INSTANTANEOUS PEAK STAGE                                          8.96  Jul 16          a,b 13.00    Apr  5 1997
        ANNUAL RUNOFF (AC-FT)             127600                     106600                      65740
        10 PERCENT EXCEEDS                   639                        574                        207
        50 PERCENT EXCEEDS                    45                         21                          3.9
        90 PERCENT EXCEEDS                      .38                       5.0                         .00

        a  About
        b  Backwater from ice
        e  Estimated
        
        
                                                     WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water year 1985 to current year.

REMARKS.--Quality assurance sample also collected at this location.

                                 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
           13...       1315     30       728      92      10.6      8.4      8.4      944      991      13.5     7.3
         NOV
           16...       0900     14        --       --       --       --       --       --     1050        .0     2.1
         JAN
           06...       1100      5.7      --       --       --       --       --       --     1640     <-5.0      .0
         FEB
           17...       1325      4.1     719      65       8.9      7.7      8.0     1740     1710      -3.0      .0
         MAR
           14...       0850     19        --       --     15.6      8.5      8.4      773      780       -.5      .0
         APR
           06...       0855     31        --       --     12.0      8.4      8.2     1060       --       4.5     1.5
         MAY
           02...       1315     24       715       --     10.1      7.8      8.1     1110       --      28.5    18.5
         JUN
           14...       1450     28       711       --      7.8      8.4      8.1      982       --      18.0    17.5
           20...       0955    522        --       --       --       --       --       --      534      16.5    17.5
         JUL
           13...       1040   1050       719      40       3.1      7.7      7.7      568      522      26.0    25.0
           18...       1555   1190        --       --       --       --       --       --      462      16.0    23.0
         SEP
           07...       1040    284       724       --       --      7.9      8.1      747       --      16.5    18.5


                                                                                      ANC
                      HARD-             MAGNE-   POTAS-   SODIUM                    UNFLTRD   CHLO-    FLUO-   SILICA,
                      NESS    CALCIUM    SIUM,    SIUM,     AD-   SODIUM,           TIT 4.5   RIDE,    RIDE,    DIS-
                      TOTAL    DIS-      DIS-     DIS-    SORP-    DIS-               LAB     DIS-      DIS-    SOLVED
                      (MG/L    SOLVED   SOLVED   SOLVED    TION   SOLVED             (MG/L    SOLVED   SOLVED   (MG/L
             DATE      AS      (MG/L    (MG/L    (MG/L    RATIO    (MG/L    SODIUM    AS      (MG/L    (MG/L     AS
                      CACO3)   AS CA)   AS MG)   AS K)             AS NA)  PERCENT   CACO3)   AS CL)   AS F)    SIO2)
                     (00900)  (00915)  (00925)  (00935)  (00931)  (00930)  (00932)  (90410)  (00940)  (00950)  (00955)

         OCT
           13...       370      61.6    51.6     11.9       2       70.8     29       372     13.6       .2      2.2
         NOV
           16...        --       --       --       --       --       --       --       --       --       --       --
         JAN
           06...        --       --       --       --       --       --       --       --       --       --       --
         FEB
           17...       680     128      88.3      1.7       2      148       32       650     39.1       .3     12.9
         MAR
           14...       270      51.8    33.8     10.4       1       53.4     29       210     18.2      <.1      6.9
         APR
           06...       380      71.3    49.4     17.1       2       73.6     28       308     23.9       .2      9.1
         MAY
           02...       390      76.4    48.6     15.9       2       85.7     31       349     21.0       .2      9.4
         JUN
           14...       310      49.4    46.5     14.1       2       93.3     38       262     20.5       .2     10.4
           20...        --       --       --       --       --       --       --       --       --       --       --
         JUL
           13...       200      38.7    25.4     12.4       1       38.5     28       206      6.5       .1     23.6
           18...        --       --       --       --       --       --       --       --       --       --       --
         SEP
           07...       280      54.0    36.5     13.6       1       49.5     26       279      8.9       .2     19.1


                                    NITRO-   NITRO-   NITRO-   NITRO-   NITRO-   NITRO-   NITRO-
                                   GEN,AM-  GEN,AM-    GEN,     GEN,     GEN,     GEN,     GEN,    NITRO-
                          SULFATE  MONIA +  MONIA +  AMMONIA  NITRITE  NITRATE  NO2+NO3  ORGANIC    GEN,    NITRO-
                           DIS-    ORGANIC  ORGANIC    DIS-     DIS-     DIS-     DIS-     DIS-   ORGANIC    GEN,
                           SOLVED   DIS.     TOTAL    SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   TOTAL    TOTAL
                  DATE     (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                          AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)
                          (00945)  (00623)  (00625)  (00608)  (00613)  (00618)  (00631)  (00607)  (00605)  (00600)

              OCT
                13...      168       1.1       --     <.020    <.010      --     <.050      --       --       --
              NOV
                16...        --       --       --       --       --       --       --       --       --       --
              JAN
                06...        --       --       --       --       --       --       --       --       --       --
              FEB
                17...      321       1.3       --      .133    <.010      --      .096     1.1       --       --
              MAR
                14...      171        .79     1.7     <.020     .016     .144     .160      --       --      1.9
              APR
                06...      237       1.1      1.9     <.020    <.010      --     <.050      --       --       --
              MAY
                02...      228       1.1       --     <.020    <.010      --     <.050      --       --       --
              JUN
                14...      238       1.6       --      .214     .042     .866     .908     1.4       --       --
                20...        --       --       --       --       --       --       --       --       --       --
              JUL
                13...       79.2     1.2      1.3      .067    <.010      --     <.050     1.2      1.2       --
                18...        --       --       --       --       --       --       --       --       --       --
              SEP
                07...      108       1.2      1.7      .076     .057     .228     .285     1.2      1.7      2.0


                                             PHOS-             PHOS-                     SOLIDS,  SOLIDS,
                           NITRO-   PHOS-   PHORUS    PHOS-   PHORUS            SOLIDS,  RESIDUE  SUM OF
                            GEN    PHORUS    HYDRO.  PHORUS    ORTHO,   PHOS-     DIS-   AT 180   CONSTI-  ARSENIC
                           DIS-      DIS-   + ORTHO  ORGANIC   DIS-    PHORUS    SOLVED   DEG. C  TUENTS,    DIS-
                          SOLVED    SOLVED   TOTAL    TOTAL   SOLVED    TOTAL    (TONS     DIS-     DIS-    SOLVED
                  DATE     (MG/L    (MG/L    (MG/L    (MG/L   (MG/L     (MG/L     PER     SOLVED   SOLVED   (UG/L
                           AS N)    AS P)    AS P)    AS P)   AS P)     AS P)     DAY)    (MG/L)   (MG/L)   AS AS)
                          (00602)  (00666)  (00678)  (00670)  (00671)  (00665)  (70302)  (70300)  (70301)  (01000)

              OCT
                13...        --      .064      --       --      .034      --      51.5     631      602      3.3
              NOV
                16...        --       --       --       --       --       --       --       --       --       --
              JAN
                06...        --       --       --       --       --       --       --       --       --       --
              FEB
                17...       1.4     E.031      --       --      .015      --      13.3    1190     1130     <2.0
              MAR
                14...        .95    <.050      .06     .078     .011     .137     25.6     501      472     E1.4
              APR
                06...        --      .056      .07     .068     .019     .137     59.3     704      666     E1.7
              MAY
                02...        --      .071      --       --      .044      --      47.3     730      695      4.0
              JUN
                14...       2.5      .179      --       --      .130      --      51.6     671      635      3.6
                20...        --       --       --       --       --       --       --       --       --       --
              JUL
                13...        --      .530      .48     .056     .246     .540   1090       384      349      4.8
                18...        --       --       --       --       --       --       --       --       --       --
              SEP
                07...       1.5      .312      .27     .099     .266     .370    382       498      459      5.2


                                                                                                   SEDI-     SED.
                                                      MANGA-            SELE-                      MENT,     SUSP.
                                    BORON,   IRON,    NESE,   MERCURY   NIUM,    SELE-    SEDI-     DIS-    SIEVE
                          ARSENIC    DIS-     DIS-     DIS-     DIS-     DIS-    NIUM,    MENT,   CHARGE,    DIAM.
                           TOTAL    SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   TOTAL    SUS-      SUS-   % FINER
                  DATE     (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    PENDED   PENDED    THAN
                           AS AS)   AS B)    AS FE)   AS MN)   AS HG)   AS SE)   AS SE)   (MG/L)  (T/DAY)  .062 MM
                          (01002)  (01020)  (01046)  (01056)  (71890)  (01145)  (01147)  (80154)  (80155)  (70331)

              OCT
                13...        --      107       10       25      <.2     <2.4       --       --       --       --
              NOV
                16...        --       --       --       --       --       --       --       --       --       --
              JAN
                06...        --       --       --       --       --       --       --       --       --       --
              FEB
                17...        --      202       30      127      E.1     <2.4       --       85       .95     38
              MAR
                14...       E2        97       20       30      <.2     <2.4      <3        --       --       --
              APR
                06...       E2        94       20       91      <.2     <2.4      <3        18      1.5      95
              MAY
                02...        --      129      <10       30      <.2     E1.6       --       80      5.2      68
              JUN
                14...        --      150       30       35      E.2     <2.4       --      186     14        98
                20...        --       --       --       --       --       --       --       --       --       --
              JUL
                13...       E2        98       60       70      <.2     <2.4      <3        13     37        93
                18...        --       --       --       --       --       --       --       --       --       --
              SEP
                07...        5        82       20       27      <.2     <2.4      <3        20     15        94

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