RED RIVER OF THE NORTH BASIN

                                              05115500  LAKE DARLING NEAR FOXHOLM, ND

LOCATION.--Lat 48o27'27", long 101o35'14", in NE1/4NE1/4 sec.1, T.157 N., R.85 W., Ward County, Hydrologic Unit  09010001,
on control structure of Lake Darling Dam, reservoir of Fish and Wildlife Service, on Souris River about 6 mi north of
Foxholm, and at mile 430.0.

DRAINAGE AREA.--9,450 mi2, approximately, of which about 6,200 mi2 is probably noncontributing.

MONTHEND-ELEVATION AND CONTENTS RECORDS

PERIOD OF RECORD.--April 1936 to current year (no winter records 1936-39).

REVISED RECORDS.--WSP 1338:  1942.  WSP 2113:  Drainage area.

GAGE.--Water-stage recorder.  Datum of gage is 1,577.00 ft above sea level.  April 1936 to Aug. 8, 1963,  nonrecording
gages at same site and datum.

REMARKS.--Reservoir is formed by earth dam; storage began in April 1936; dam completed in July 1936.  Usable capacity,
118,600 acre-ft between elevation of 1,577 ft, sill of control gates, and 1598 feet, legal full-capacity level. Flood-
emergency maximum level is 1,601 ft (148,600 ac-ft).  Dead storage below sill at control gates is 144  acre-ft.  Figures
given herein represent total contents based on capacity  table dated April 12, 1995 (provided by U.S. Fish and Wildlife
Service).  Water is used during periods of low flow at wildlife refuges downstream.  Elevations are adjusted for wind
effect.

EXTREMES FOR PERIOD OF RECORD.--Maximum contents, 145,400 acre-ft, Apr. 17, 1976, elevation, 1601.24 ft; minimum observed
since April 1943 when reservoir was first filled to spillway level, 31,200 acre-ft, Feb. 18 and 25,  1963, elevation,
1587.04 ft.

EXTREMES FOR CURRENT YEAR.--Maximum daily contents, 115,600 acre-ft, July 26, elevation, 1597.69 ft; minimum daily
contents,  89,710 acre-ft, Mar. 26, elevation, 1594.98 ft.

MONTHEND ELEVATION AND CONTENTS AT 2400, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
_____________________________________________________________________________________________

       Date                 Elevation             Contents        Change in Contents
                             (feet)              (acre-feet)         (acre-feet)
_____________________________________________________________________________________________

Sept. 30 ----------          1596.18                 101,000            --
Oct. 31 -----------          1596.33                 102,500            +1,500
Nov. 30 -----------          1596.33                 102,500            0
Dec. 31 -----------          1596.00                  99,300            -3,200

      CAL YR 1998            ---                     ---                +1,800

Jan. 31 ----------           1595.96                  98,940            -360
Feb. 28 ----------           1595.92                  98,560            -380
Mar. 31 ----------           1595.52                  94,780            -3,780
Apr. 30 ----------           1595.90                  98,370            +3,590
May  31 ----------           1596.97                 108,600            +10,230
June 30 ----------           1596.83                 107,300            -1,300
July 31 ----------           1597.56                 114,300            +7,000
Aug. 31 ----------           1597.16                 110,400            -3,900
Sept. 30 ---------           1596.20                 101,200            -9,200

     WTR YR 1999             ---                   ---                  +200
_____________________________________________________________________________________________

                                                     WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water year 1993 to current year.


                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

                          DEPTH    DEPTH     PH       SPE-                                                  ANC
                          TO TOP  TO BOT-   WATER    CIFIC    HARD-             MAGNE-   SODIUM           UNFLTRD   CHLO-
                            OF    TOM OF    WHOLE     CON-    NESS    CALCIUM    SIUM,     AD-   SODIUM,  TIT 4.5   RIDE,
                          SAMPLE   SAMPLE    LAB     DUCT-    TOTAL    DIS-      DIS-    SORP-    DIS-      LAB     DIS-
                          INTER-   INTER-  (STAND-   ANCE     (MG/L    SOLVED   SOLVED    TION   SOLVED    (MG/L    SOLVED
        DATE      TIME   VAL(IN   VAL(IN     ARD      LAB      AS      (MG/L    (MG/L    RATIO    (MG/L     AS      (MG/L
                         METERS)  METERS)   UNITS)  (US/CM)   CACO3)   AS CA)   AS MG)            AS NA)   CACO3)   AS CL)
                         (82047)  (82048)  (00403)  (90095)  (00900)  (00915)  (00925)  (00931)  (00930)  (90410)  (00940)

       OCT
        23...     1115    1.0        --      8.5      876      260      48       33        2       85       236      25
        23...     1120    6.5        --      8.5      879      250      47       33        2       85       236      24
        23...     1125     .00      7.0       --       --       --       --       --       --       --       --       --
       JUN
        04...     1100    1.0        --      8.4      668      190      41       21        2       64       189      18
        04...     1105    7.0        --      8.5      668      190      41       21        2       66       189      18
        04...     1110     .00      3.4       --       --       --       --       --       --       --       --       --
        22...     1210     .00      2.4       --       --       --       --       --       --       --       --       --
        22...     1215     .80      1.1      8.5      693      200      44       23        2       69       197      19
        22...     1220    6.0       6.2      8.0      699      200      44       22        2       69       199      19
       JUL
        12...     1355     .00       --      8.5      726      200      42       23        2       70       205      20
        12...     1400    7.2        --      8.0      715      200      43       23        2       69       207      20
        12...     1405     .00      2.4       --       --       --       --       --       --       --       --       --
       AUG
        27...     1150    1.0        --      9.1      763      220      47       25        2       76       233      20
        27...     1155    6.5        --      9.1      764      220      47       25        2       76       229      20
        27...     1200     .00      1.8       --       --       --       --       --       --       --       --       --
       SEP
        10...     0840     .00       --      8.8      772      220      46       25        2       76       223      21
        10...     0845    6.8        --      8.8      773      220      47       25        2       76       225      21
        10...     0850     .00      1.0       --       --       --       --       --       --       --       --       --


                                         NITRO-   NITRO-   NITRO-                    RESIDUE  SOLIDS,  CHLOR-A  CHLOR-B
                       FLUO-              GEN,   GEN,AM-    GEN,    NITRO-           TOTAL    RESIDUE   PHYTO-   PHYTO-
                       RIDE,   SULFATE  AMMONIA  MONIA +  NO2+NO3    GEN,    PHOS-   AT 105   AT 180    PLANK-   PLANK-
                        DIS-    DIS-      DIS-   ORGANIC    DIS-   ORGANIC  PHORUS   DEG. C,   DEG. C    TON      TON
                       SOLVED   SOLVED   SOLVED   TOTAL    SOLVED   TOTAL    TOTAL    SUS-      DIS-   CHROMO   CHROMO
              DATE     (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L   PENDED    SOLVED  FLUOROM  FLUOROM
                       AS F)   AS SO4)   AS N)    AS N)    AS N)    AS N)    AS P)    (MG/L)   (MG/L)   (UG/L)   (UG/L)
                      (00950)  (00945)  (00608)  (00625)  (00631)  (00605)  (00665)  (00530)  (70300)  (70953)  (70954)

          OCT
            23...        .26     190      .073     1.3     <.050     1.2      .120       4      575       --       --
            23...        .28     190      .081     1.2     <.050     1.1      .120       4      576       --       --
            23...        --       --       --       --       --       --       --       --       --      1.60    <.100
          JUN
            04...        .17     130      .046      .89    <.050      .85     .119       2      435       --       --
            04...        .17     130      .049      .87    <.050      .82     .106       1      416       --       --
            04...        --       --       --       --       --       --       --       --       --      4.80     .220
            22...        --       --       --       --       --       --       --       --       --      1.60     .450
            22...        .20     130      .023     1.0     <.050      .99     .161     286      441       --       --
            22...        .21     130      .020     1.3     <.050     1.3      .328       9      443       --       --
          JUL
            12...        .20     140     <.020      .86    <.050      --      .154       3      443       --       --
            12...        .20     140       --       --       --       --       --        9      466       --       --
            12...        --       --       --       --       --       --       --       --       --      2.20     .450
          AUG
            27...        .21     160     <.020     1.5     <.050      --      .286       2      489       --       --
            27...        .21     160     <.020     1.7     <.050      --      .292       1      492       --       --
            27...        --       --       --       --       --       --       --       --       --      5.40    1.60
          SEP
            10...        .20     160     <.020     1.4     <.050      --      .324       6      508       --       --
            10...        .20     160     <.020     1.4     <.050      --      .400      93      513       --       --
            10...        --       --       --       --       --       --       --       --       --      1.40     .220

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

                       ALUM-                      BERYL-                     CHRO-
                       INUM,            BARIUM,   LIUM,    BORON,  CADMIUM   MIUM,   COBALT,  COPPER,   IRON,    LEAD,
                       TOTAL             TOTAL    TOTAL    TOTAL    WATER    TOTAL    TOTAL    TOTAL    TOTAL    TOTAL
                       RECOV-  ARSENIC   RECOV-   RECOV-   RECOV-  UNFLTRD   RECOV-   RECOV-   RECOV-   RECOV-   RECOV-
                       ERABLE   TOTAL    ERABLE   ERABLE   ERABLE   TOTAL    ERABLE   ERABLE   ERABLE   ERABLE   ERABLE
              DATE     (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L
                       AS AL)   AS AS)   AS BA)   AS BE)   AS B)    AS CD)   AS CR)   AS CO)   AS CU)   AS FE)   AS PB)
                      (01105)  (01002)  (01007)  (01012)  (01022)  (01027)  (01034)  (01037)  (01042)  (01045)  (01051)

          OCT
            23...        50       5      <100     <10       290      <1       <1       <1       <1        59      <1
            23...        50       5      <100     <10       250      <1       <1       <1        2        70      <1
            23...        --       --       --       --       --       --       --       --       --       --       --
          JUN
            04...        50       4       100      <4.0     280      <1       <1       <1        1       100      <1
            04...        80       3       100      <4.0     280      <1       <1       <1        1       130      <1
            04...        --       --       --       --       --       --       --       --       --       --       --
            22...        --       --       --       --       --       --       --       --       --       --       --
            22...        30       6       100      <4.0     290      <1       <1       <1        2        62      <1
            22...        60       8       100      <4.0     280      <1       <1       <1        2       160      <1
          JUL
            12...        --       --       --       --       --       --       --       --       --       --       --
            12...        --       --       --       --       --       --       --       --       --       --       --
            12...        --       --       --       --       --       --       --       --       --       --       --
          AUG
            27...       E20      10       100      <4.0     270      <1       <1       <1        2        50      <1
            27...        30      10       100      <4.0     270      <1       <1       <1        1        47      <1
            27...        --       --       --       --       --       --       --       --       --       --       --
          SEP
            10...        --       --       --       --       --       --       --       --       --       --       --
            10...        --       --       --       --       --       --       --       --       --       --       --
            10...        --       --       --       --       --       --       --       --       --       --       --


                                MOLYB-                                                        TRIAZIN
                      MERCURY   DENUM,  NICKEL,            ZINC,   CARBON,                    SCREEN
                       TOTAL    TOTAL    TOTAL    SELE-    TOTAL   ORGANIC  CARBON,           (ELISA)  CYANA-
                       RECOV-   RECOV-   RECOV-   NIUM,    RECOV-   DIS-    ORGANIC           WAT,WH    ZINE     2,4-D
                       ERABLE   ERABLE   ERABLE   TOTAL    ERABLE  SOLVED    TOTAL   PHENOLS  REC,AS   SCREEN,  SCREEN,
              DATE     (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (MG/L    (MG/L    TOTAL   ATRAZIN   TOTAL    TOTAL
                       AS HG)   AS MO)   AS NI)   AS SE)   AS ZN)   AS C)    AS C)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                      (71900)  (01062)  (01067)  (01147)  (01092)  (00681)  (00680)  (32730)  (34757)  (99904)  (99906)

          OCT
            23...       <.10      5        4       <1       <10      11       12       <4        --       --       --
            23...       <.10      6        4       <1       <10      12       14       <4       <.1      <.04    <.700
            23...        --       --       --       --       --       --       --       --       --       --       --
          JUN
            04...       <.10      7        3       <1       <40       --      11        4       <.1      <.04    <.700
            04...       <.10      7        3       <1       <40       --      11        5        --       --       --
            04...        --       --       --       --       --       --       --       --       --       --       --
            22...        --       --       --       --       --       --       --       --       --       --       --
            22...       <.10      5        3       <1       <40       --      10        --       --       --       --
            22...       <.10      6        3       <1       <40       --      12       <4        --       --       --
          JUL
            12...        --       --       --       --       --       --      13       <4        --       --       --
            12...        --       --       --       --       --       --      12       <4        --       --       --
            12...        --       --       --       --       --       --       --       --       --       --       --
          AUG
            27...       <.10      5        3       <1       <40       --      14        5        --       --       --
            27...       <.10      5        3       <1       <40       --      15       <4        --       --       --
            27...        --       --       --       --       --       --       --       --       --       --       --
          SEP
            10...        --       --       --       --       --       --      12       <4        --       --       --
            10...        --       --       --       --       --       --      15       <4        --       --       --
            10...        --       --       --       --       --       --       --       --       --       --       --

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

                                                                              PH
                                                                    SPE-     WATER
                                                                    CIFIC    WHOLE
                                                  RESER-    SAM-    CON-     FIELD   TEMPER-  OXYGEN,
                                                   VOIR    PLING    DUCT-   (STAND-   ATURE     DIS-
                                DATE      TIME    DEPTH    DEPTH    ANCE      ARD     WATER    SOLVED
                                                  (FEET)    (M)    (US/CM)   UNITS)  (DEG C)   (MG/L)
                                                 (72025)  (00098)  (00095)  (00400)  (00010)  (00300)

                            OCT
                              23...       1105    23.0      .00      911      8.4      7.2     12.0
                              23...       1106      --     1.0       910      8.4      7.2     11.4
                              23...       1107      --     2.0       910      8.4      7.1     11.1
                              23...       1108      --     3.0       910      8.4      7.0     11.1
                              23...       1109      --     4.0       911      8.4      7.0     11.0
                              23...       1110      --     5.0       911      8.4      7.0     10.9
                              23...       1111      --     6.0       911      8.5      7.0     10.9
                              23...       1112      --     7.0       912      8.5      7.0     10.8
                            JUN
                              04...       1030    24.6      .00      654      8.6     16.7      9.9
                              04...       1032      --      .50      655      8.6     16.7      9.8
                              04...       1034      --     1.0       655      8.6     16.7      9.7
                              04...       1036      --     1.5       655      8.6     16.7      9.7
                              04...       1038      --     2.0       655      8.6     16.7      9.6
                              04...       1040      --     2.5       655      8.6     16.7      9.6
                              04...       1042      --     3.0       655      8.6     16.7      9.6
                              04...       1044      --     4.0       655      8.6     16.6      9.5
                              04...       1046      --     5.0       655      8.6     16.7      9.5
                              04...       1048      --     6.0       655      8.5     16.5      9.5
                              04...       1050      --     7.0       656      8.5     16.6      9.5
                              04...       1052      --     7.5       656      8.1     16.5      3.0
                              22...       1200    23.0      .00      693      8.4     20.9      9.1
                              22...       1201      --     1.0       695      8.5     20.9      9.0
                              22...       1202      --     2.0       695      8.5     20.9      8.9
                              22...       1203      --     3.0       696      8.5     20.9      8.9
                              22...       1204      --     4.0       696      8.5     20.9      8.9
                              22...       1205      --     5.0       696      8.5     20.9      8.8
                              22...       1206      --     6.0       708      8.1     18.5      3.1
                              22...       1207      --     7.0       709      7.9     18.3      1.7
                            JUL
                              12...       1345    23.6      .00      724      8.3     22.7      8.7
                              12...       1346      --     1.0       724      8.3     22.7      8.7
                              12...       1347      --     2.0       724      8.3     22.6      8.7
                              12...       1348      --     3.0       727      8.3     21.7      7.6
                              12...       1349      --     4.0       740      8.0     20.1      3.2
                              12...       1350      --     5.0       737      7.9     19.8      2.2
                              12...       1351      --     6.0       737      7.8     19.8      1.7
                              12...       1352      --     7.0       738      7.7     20.0      1.0
                            AUG
                              27...       1130    24.9      .00      755      8.9     22.4     13.7
                              27...       1132      --     1.0       757      8.9     22.4     13.8
                              27...       1134      --     2.0       757      8.9     22.4     13.8
                              27...       1136      --     3.0       754      8.9     22.3     13.7
                              27...       1138      --     4.0       762      8.6     21.1      7.1
                              27...       1140      --     5.0       764      8.5     20.8      5.4
                              27...       1142      --     6.0       769      8.5     20.7      3.9
                              27...       1144      --     7.0       774      8.4     20.5      2.6
                              27...       1146      --     7.6       775      8.4     20.4      2.3
                            SEP
                              10...       0832    22.3      .00      714      9.1     15.0      9.9
                              10...       0833      --     1.0       714      9.1     15.1      9.8
                              10...       0834      --     3.0       714      9.1     15.1      9.8
                              10...       0835      --     5.0       712      9.0     15.1      9.8
                              10...       0836      --     6.0       713      9.0     15.1      9.6
                              10...       0837      --     6.8       712      9.0     15.1      5.9

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

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

                                 OCT
                                   23...       105      723     177      11.0       30     <5.0
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                   23...        --       --       --       --       --       --
                                 JUN
                                   04...       110      708      70.0    21.0      220      8.0
                                   04...        --       --       --       --       --       --
                                   04...        --       --       --       --       --       --
                                   04...        --       --       --       --       --       --
                                   04...        --       --       --       --       --       --
                                   04...        --       --       --       --       --       --
                                   04...        --       --       --       --       --       --
                                   04...        --       --       --       --       --       --
                                   04...        --       --       --       --       --       --
                                   04...        --       --       --       --       --       --
                                   04...        --       --       --       --       --       --
                                   04...        --       --       --       --       --       --
                                   22...       110      703      46.0    23.0      270     10
                                   22...        --       --       --       --       --       --
                                   22...        --       --       --       --       --       --
                                   22...        --       --       --       --       --       --
                                   22...        --       --       --       --       --       --
                                   22...        --       --       --       --       --       --
                                   22...        --       --       --       --       --       --
                                   22...        --       --       --       --       --       --
                                 JUL
                                   12...       108      712      47.0    27.0      310      6.0
                                   12...        --       --       --       --       --       --
                                   12...        --       --       --       --       --       --
                                   12...        --       --       --       --       --       --
                                   12...        --       --       --       --       --       --
                                   12...        --       --       --       --       --       --
                                   12...        --       --       --       --       --       --
                                   12...        --       --       --       --       --       --
                                 AUG
                                   27...       169      716      35.4    23.0       30      5.0
                                   27...        --       --       --       --       --       --
                                   27...        --       --       --       --       --       --
                                   27...        --       --       --       --       --       --
                                   27...        --       --       --       --       --       --
                                   27...        --       --       --       --       --       --
                                   27...        --       --       --       --       --       --
                                   27...        --       --       --       --       --       --
                                   27...        --       --       --       --       --       --
                                 SEP
                                   10...       104      722      19.7     9.0      240     <5.0
                                   10...        --       --       --       --       --       --
                                   10...        --       --       --       --       --       --
                                   10...        --       --       --       --       --       --
                                   10...        --       --       --       --       --       --
                                   10...        --       --       --       --       --       --

Return to 1999 Data Report

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