RED RIVER OF THE NORTH BASIN

                                        05124000  SOURIS (MOUSE) RIVER NEAR WESTHOPE, ND
                                                 (International gaging station)

LOCATION.--Lat 4859'47", long 10057'29", in SW1/4SE1/4 sec.30, T.164 N., R.79 W., Bottineau County, Hydrologic Unit 09010003,
   on left bank 1,200 ft upstream from second crossing of international boundary, 1 mi downstream from Fish and Wildlife Service
   Dam 357, 7 mi northeast of Westhope, 11 mi downstream from Boundary Creek and at mile 154.5.

DRAINAGE AREA.--16,900 mi2, approximately, of which about 10,300 mi2 is probably noncontributing.

                                                    WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--July to October 1929, April 1930 to current year. Monthly discharge only for some periods, published in WSP
   1308.

REVISED RECORDS.--WSP 1338: 1932. WSP 2113: Drainage area.

GAGE.--Water-stage recorder and control. Datum of gage is 1,402.45 ft above sea level. Prior to Mar. 28, 1938, nonrecording gage
   at site 6.3 mi upstream at datum 2.52 ft higher.
   tributaries, combined capacity, about 800,000 acre-ft. Diversion at Eaton Dam for irrigation of about 7,000 acres and other
   small diversions for irrigation and municipal supply upstream from station.

COOPERATION.--This station is one of the international gaging stations maintained by the United States under agreement with
   Canada.

                          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       472      203      131      128      e30    e13        9.8      256      558      466      501      192
          2       466      191      132      126      e18     14        8.1      275      559      490      451      140
          3       468      194      132      125      e17     14        8.7      275      560      499      425      133
          4       468      194      131      123      e16     15        8.3      285      561      555      400      131
          5       468      187      131      114      e15     14        9.4      275      562      622      388      131

          6       472      169      131       93      e16     13       23        278      566      631      375      134
          7       472      168      131       92      e16     13       22        278      566      643      366      133
          8       470      168      131       91      e17     11       23        274      584      655      375      131
          9       469      167      131       88      e18     20       23        278      567      662      360      129
         10       466      162      130       87      e17     12       25        278      495      663      351      129

         11       466      146      130       88      e17     11       23        280      477      663      346      127
         12       463      145      130       76      e17     12       23        282      466      670      353      123
         13       467      141      129       49      e16     13       22        281      452      666      352      116
         14       467      144      129       49      e16     13       23        284      439      662      350      115
         15       462      140      129       48      e16     13       24        366      432      656      346      116
        
         16       460      129      129       47      e15     13       24        511      419      665      344      115
         17       461      127      129       48      e15     13       25        515      407      646      342      115
         18       457      125      129       48      e14     14       37        528      399      625      339      115
         19       457      123     e129       48      e14     14       99        530      394      623      335      114
         20       462      129     e129       48      e13     14      146        527      388      613      334      112

         21       450      128     e129       47      e14     14      228        521      384      604      333      107
         22       408      128      129       47      e14     13      226        512      378      593      324       95
         23       360      129      129       47      e15     14      227        512      374      584      312       96
         24       357      129      129       47      e15     13      223        509      371      576      306       96
         25       306      129      129      e46      e14     12      220        513      372      568      293       96

         26       229      130      129      e45      e15     12      218        519      369      557      266       96
         27       223      131      129      e45      e14     11      224        531      368      552      258       95
         28       227      131      129      e44      e14     11      241        529      386      544      253       95
         29       226      131      128      e44      e13     11      251        525      425      534      250       94
         30       225      131      128      e43      ---     10      246        539      446      528      238       95
         31       226      ---      127      e42      ---      9.9      ---      544      ---      523      211      ---

        TOTAL   12550     4449     4018     2113      461    399.9   2910.3    12610    13724    18538    10477     3516
        MEAN      405      148      130     68.2     15.9     12.9     97.0      407      457      598      338      117
        MAX       472      203      132      128       30       20      251      544      584      670      501      192
        MIN       223      123      127       42       13      9.9      8.1      256      368      466      211       94
        AC-FT   24890     8820     7970     4190      914      793     5770    25010    27220    36770    20780     6970

        STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1929 - 2000, BY WATER YEAR (WY)

        MEAN     67.7     54.7     32.8     26.9     26.5     70.7      854     1001      586      283      130     73.0
        MAX       473      387      201      191      190      779     8850     5967     4919     1726     1014      657
        (WY)     1976     1995     1976     1976     1976     1983     1976     1976     1999     1999     1953     1999
        MIN      .000     .000     .000     .000     .000     .000     .010     .000     .000     .000     .000     .000
        (WY)     1933     1935     1935     1935     1935     1936     1941     1937     1937     1937     1931     1931

        SUMMARY STATISTICS           FOR 1999 CALENDAR YEAR        FOR 2000 WATER YEAR           WATER YEARS 1929 - 2000

        ANNUAL TOTAL                      577607                      85766.2
        ANNUAL MEAN                         1582                        234                        270
        HIGHEST ANNUAL MEAN                                                                       1697              1976
        LOWEST ANNUAL MEAN                                                                            .15           1937
        HIGHEST DAILY MEAN                  6980     Apr 14             670     Jul 12           12400       Apr 26 1976
        LOWEST DAILY MEAN                     39     Feb 14               8.1   Apr  2                .00    Jul 20 1931
        ANNUAL SEVEN-DAY MINIMUM              39     Feb 13               9.2   Mar 30                .00    Jul 20 1931
        INSTANTANEOUS PEAK FLOW                                         673     Jul 12           12600       Apr 26 1976
        INSTANTANEOUS PEAK STAGE                                          8.87  Jul 12              19.16    Apr 26 1976
        INSTANTANEOUS LOW FLOW                                                                   a -35       Apr  8 1943
        ANNUAL RUNOFF (AC-FT)            1146000                     170100                     195400
        10 PERCENT EXCEEDS                  5530                        536                        620
        50 PERCENT EXCEEDS                   497                        134                         26
        90 PERCENT EXCEEDS                    50                         14                           .00
 
        a  Reverse flow caused by backwater from downstream tributary inflow
        e  Estimated
        
        
                                                     WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1970, 1972 to current year.

PERIOD OF DAILY RECORD.--

   WATER TEMPERATURE: June 1992 to current year.

   SPECIFIC CONDUCTANCE: June 1992 to current year.
   
   PH: June 1992 to current year.

   DISSOLVED OXYGEN: May 1993 to current year.

INSTRUMENTATION.--Water-quality monitor since June 1992.

REMARKS.--Records fair. Missing record is due to instrument malfunction. Quality assurance sample also collected at this
   location.

EXTREMES FOR PERIOD OF DAILY RECORD.--

   WATER TEMPERATURE: Maximum recorded, 28.5C, July 11, 1998; minimum recorded, -0.4C, Dec. 20, 1995.

   SPECIFIC CONDUCTANCE: Maximum recorded, 2,680 microsiemens, Feb. 4 and 7, 2000; minimum recorded, 644 microsiemens, April 20,

      1994.

   PH: Maximum recorded, 10.1 units, July 12, 1993; minimum recorded, 7.5 units, Sept. 12 and 13, 1994.

   DISSOLVED OXYGEN: Maximum recorded, 19.1 mg/L, Dec. 29-31, 1999, Jan. 1,3-5, 2000; minimum recorded, 2.4 mg/L, Aug. 8 and 9,

      1995.

EXTREMES FOR CURRENT YEAR.--

   WATER TEMPERATURE: Maximum recorded, 27.2C, July 14; minimum recorded, 0.0C, Feb. 3 and 4

   SPECIFIC CONDUCTANCE: Maximum recorded, 2,680 microsiemens, Feb. 7; minimum recorded, 919 microsiemens, Dec. 19

   PH: Maximum recorded, 9.1 units, several days in September; minimum recorded, 7.7 units, several days in March.

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

                          DIS-    BARO-   OXYGEN,             PH       PH       SPE-
                        CHARGE,   METRIC    DIS-             WATER    WATER    CIFIC    SPE-                       HARD-
                         INST.    PRES-    SOLVED            WHOLE    WHOLE     CON-    CIFIC                      NESS
                         CUBIC     SURE    (PER-   OXYGEN,   FIELD     LAB     DUCT-    CON-    TEMPER-  TEMPER-   TOTAL
                          FEET     (MM      CENT     DIS-   (STAND-  (STAND-   ANCE     DUCT-    ATURE    ATURE    (MG/L
       DATE      TIME     PER       OF     SATUR-   SOLVED    ARD      ARD      LAB     ANCE      AIR     WATER     AS
                         SECOND    HG)     ATION)   (MG/L)   UNITS)   UNITS)  (US/CM)  (US/CM)  (DEG C)  (DEG C)   CACO3)
                        (00061)  (00025)  (00301)  (00300)  (00400)  (00403)  (90095)  (00095)  (00020)  (00010)  (00900)

      NOV
       17...     1600     131       --       --     16.2      8.6       --       --     1120       --      2.5       --
      JAN
       12...     1450      73       --       --     18.5      7.9       --       --     2120       .0       .7       --
      MAR
       01...     1400      13       --       --     19.1      7.8       --       --     2450       --      3.5       --
       30...     1115      10       --       --     13.7      8.3      8.2     1190     1220      8.5      6.1      400
      APR
       20...     1050     100       --       --     10.9      8.2       --       --     1000       --      7.9       --
      MAY
       18...     1430     525       --       --      9.4      8.4      8.1     1300     1300     15.5     13.8      400
      JUL
       26...     1130     560       --       --       --       --       --       --     1470     24.7     24.2       --
      SEP
       06...     1545     132      718      89       8.1      8.9      8.7     1490     1500       --     16.5      390


                                                                       ANC                                NITRO-   NITRO-
                         MAGNE-   POTAS-   SODIUM                    UNFLTRD   CHLO-    FLUO-            GEN,AM-    GEN,
               CALCIUM    SIUM,    SIUM,     AD-   SODIUM,           TIT 4.5   RIDE,    RIDE,   SULFATE  MONIA +  AMMONIA
                DIS-      DIS-     DIS-    SORP-    DIS-               LAB     DIS-      DIS-    DIS-    ORGANIC    DIS-
                SOLVED   SOLVED   SOLVED    TION   SOLVED             (MG/L    SOLVED   SOLVED   SOLVED   TOTAL    SOLVED
       DATE     (MG/L    (MG/L    (MG/L    RATIO    (MG/L    SODIUM    AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                AS CA)   AS MG)   AS K)             AS NA)  PERCENT   CACO3)   AS CL)   AS F)   AS SO4)   AS N)    AS N)
               (00915)  (00925)  (00935)  (00931)  (00930)  (00932)  (90410)  (00940)  (00950)  (00945)  (00625)  (00608)

      NOV
       17...      --       --       --       --       --       --       --       --       --       --       --       --
      JAN
       12...      --       --       --       --       --       --       --       --       --       --       --       --
      MAR
       01...      --       --       --       --       --       --       --       --       --       --       --       --
       30...    77.0     50.0     11.0       3       120      39       358     35.0       .2      290       --       --
      APR
       20...      --       --       --       --       --       --       --       --       --       --       --       --
      MAY
       18...    69.0     56.0     16.0       3       140      42       373     34.0       .2      330       --       --
      JUL
       26...      --       --       --       --       --       --       --       --       --       --       --       --
      SEP
       06...    59.6     59.7       --       4       202       --      431     44.0       .2      336      2.2      .061


                      NITRO-                                      SOLIDS,  SOLIDS,  CHLOR-A  CHLOR-B   ALUM-
                       GEN,    NITRO-                    SOLIDS,  RESIDUE  SUM OF    PHYTO-   PHYTO-   INUM,
                     NO2+NO3    GEN,    PHOS-   CARBON,    DIS-   AT 180   CONSTI-   PLANK-   PLANK-   TOTAL   ARSENIC
                       DIS-   ORGANIC  PHORUS   ORGANIC   SOLVED   DEG. C  TUENTS,    TON      TON     RECOV-    DIS-
                      SOLVED   TOTAL    TOTAL    TOTAL    (TONS     DIS-     DIS-   CHROMO   CHROMO    ERABLE   SOLVED
             DATE     (MG/L    (MG/L    (MG/L    (MG/L     PER     SOLVED   SOLVED  FLUOROM  FLUOROM   (UG/L    (UG/L
                      AS N)    AS N)    AS P)    AS C)     DAY)    (MG/L)   (MG/L)   (UG/L)   (UG/L)   AS AL)   AS AS)
                     (00631)  (00605)  (00665)  (00680)  (70302)  (70300)  (70301)  (70953)  (70954)  (01105)  (01000)
                                                            
         NOV
           17...        --       --       --       --       --       --       --       --       --       --       --
         JAN
           12...        --       --       --       --       --       --       --       --       --       --       --
         MAR
           01...        --       --       --       --       --       --       --       --       --       --       --
           30...        --       --       --       --      21.8     808      798       --       --       --      1.0
         APR
           20...        --       --       --       --       --       --       --       --       --       --       --
         MAY
           18...        --       --       --       --    1270       893      869       --       --       --      3.0
         JUL
           26...        --       --       --       --       --       --       --       --       --       --       --
         SEP
           06...      <.050     2.1      .482     28        --     1040       --     24.2       .8      321       --


                                        BERYL-                     CHRO-
                              BARIUM,   LIUM,    BORON,  CADMIUM   MIUM,   COBALT,  COPPER,            IRON,
                               TOTAL    TOTAL    TOTAL    WATER    TOTAL    TOTAL    TOTAL    IRON,    TOTAL    LEAD,
                     ARSENIC   RECOV-   RECOV-   RECOV-  UNFLTRD   RECOV-   RECOV-   RECOV-    DIS-    RECOV-    DIS-
                      TOTAL    ERABLE   ERABLE   ERABLE   TOTAL    ERABLE   ERABLE   ERABLE   SOLVED   ERABLE   SOLVED
             DATE     (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L
                      AS AS)   AS BA)   AS BE)   AS B)    AS CD)   AS CR)   AS CO)   AS CU)   AS FE)   AS FE)   AS PB)
                     (01002)  (01007)  (01012)  (01022)  (01027)  (01034)  (01037)  (01042)  (01046)  (01045)  (01049)

         NOV
           17...        --       --       --       --       --       --       --       --       --       --       --
         JAN
           12...        --       --       --       --       --       --       --       --       --       --       --
         MAR
           01...        --       --       --       --       --       --       --       --       --       --       --
           30...        --       --       --       --       --       --       --       --      40        --      <1
         APR
           20...        --       --       --       --       --       --       --       --       --       --       --
         MAY
           18...        --       --       --       --       --       --       --       --      30        --       1
         JUL
           26...        --       --       --       --       --       --       --       --       --       --       --
         SEP
           06...        9      80.7      <5       256      <.1      <1       <2        2        --      580       --


                                                                   MOLYB-
                      LEAD,             MANGA-            MOLYB-   DENUM,  NICKEL,   SELE-             STRON-   ZINC,
                      TOTAL   LITHIUM   NESE,   MERCURY   DENUM,   TOTAL    TOTAL    NIUM,    SELE-     TIUM,   TOTAL
                      RECOV-    DIS-     DIS-     DIS-     DIS-    RECOV-   RECOV-    DIS-    NIUM,     DIS-    RECOV-
                      ERABLE   SOLVED   SOLVED   SOLVED   SOLVED   ERABLE   ERABLE   SOLVED   TOTAL    SOLVED   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 PB)   AS LI)   AS MN)   AS HG)   AS MO)   AS MO)   AS NI)   AS SE)   AS SE)   AS SR)   AS ZN)
                     (01051)  (01130)  (01056)  (71890)  (01060)  (01062)  (01067)  (01145)  (01147)  (01080)  (01092)

         NOV
           17...        --       --       --       --       --       --       --       --       --       --       --
         JAN
           12...        --       --       --       --       --       --       --       --       --       --       --
         MAR
           01...        --       --       --       --       --       --       --       --       --       --       --
           30...        --     50.0      40       <.1       1        --       --     <1.0       --      420       --
         APR
           20...        --       --       --       --       --       --       --       --       --       --       --
         MAY
           18...        --     80.0      40       <.1      <1        --       --     <1.0       --      430       --
         JUL
           26...        --       --       --       --       --       --       --       --       --       --       --
         SEP
           06...       E1        --       --       --       --       1        3        --      <3        --      <31


                            TEMPERATURE, WATER (DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                          OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY

             1      ---     ---     ---       ---     ---     ---       ---     ---     ---       1.4      .6      .9
             2      ---     ---     ---       ---     ---     ---       ---     ---     ---        .8      .2      .5
             3      ---     ---     ---       ---     ---     ---       ---     ---     ---        .8      .1      .4
             4      ---     ---     ---       ---     ---     ---       ---     ---     ---        .5      .4      .4
             5      ---     ---     ---       ---     ---     ---       ---     ---     ---        .6      .4      .5

             6      ---     ---     ---       ---     ---     ---       ---     ---     ---        .5      .4      .5
             7      ---     ---     ---       ---     ---     ---       ---     ---     ---        .8      .4      .6
             8      ---     ---     ---       ---     ---     ---       ---     ---     ---       1.1      .7      .9
             9      ---     ---     ---       ---     ---     ---       2.4     1.7     2.0       1.4      .9     1.1
            10      ---     ---     ---       ---     ---     ---       1.7     1.0     1.4       1.3      .6     1.0

            11      ---     ---     ---       ---     ---     ---       2.3     1.3     1.7        .7      .5      .7
            12      ---     ---     ---       ---     ---     ---       2.3     1.6     1.9        .8      .6      .7
            13      ---     ---     ---       ---     ---     ---       2.2     1.6     1.9       1.0      .7      .8
            14      ---     ---     ---       ---     ---     ---       2.3     1.3     1.8        .9      .6      .7
            15      ---     ---     ---       ---     ---     ---       1.3      .4      .9       1.0      .7      .8

            16      ---     ---     ---       ---     ---     ---        .9      .5      .7        .9      .6      .7
            17      ---     ---     ---       ---     ---     ---        .9      .4      .6        .8      .5      .6
            18      ---     ---     ---       ---     ---     ---       1.3      .7      .9        .9      .6      .7
            19      ---     ---     ---       ---     ---     ---       1.2      .1      .5        .9      .6      .7
            20      ---     ---     ---       ---     ---     ---        .6      .1      .4        .9      .6      .8

            21      ---     ---     ---       ---     ---     ---        .7      .5      .6        .9      .6      .8
            22      ---     ---     ---       ---     ---     ---        .8      .5      .7        .9      .6      .9
            23      ---     ---     ---       ---     ---     ---       1.2      .8     1.0       1.0      .6      .8
            24      ---     ---     ---       ---     ---     ---       1.6      .9     1.2       1.2      .8     1.0
            25      ---     ---     ---       ---     ---     ---       1.7     1.0     1.4       1.2      .9     1.1

            26      ---     ---     ---       ---     ---     ---       1.7      .9     1.2       1.2      .8     1.0
            27      ---     ---     ---       ---     ---     ---       1.7      .9     1.3       1.3     1.1     1.3
            28      ---     ---     ---       ---     ---     ---       2.0     1.4     1.6       1.6     1.3     1.4
            29      ---     ---     ---       ---     ---     ---       2.1     1.5     1.7       1.4     1.1     1.3
            30      ---     ---     ---       ---     ---     ---       1.8     1.2     1.5       1.6     1.1     1.3
            31      ---     ---     ---       ---     ---     ---       1.8     1.1     1.4       1.5      .9     1.2

           MONTH    ---     ---     ---       ---     ---     ---       ---     ---     ---       1.6      .1      .8


           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                         FEBRUARY                   MARCH                     APRIL                       MAY

             1      1.5     1.1     1.3       ---     ---     ---       ---     ---     ---      17.1    11.9    13.9
             2      1.7      .8     1.2       4.6     3.7     4.2       ---     ---     ---      16.9    13.5    15.1
             3       .8      .0      .2       5.1     3.8     4.4       ---     ---     ---      17.2    14.8    15.9
             4      1.8      .0      .7       5.5     4.5     4.9       ---     ---     ---      16.6    14.2    15.5
             5      2.2     1.0     1.6       6.3     4.6     5.3       ---     ---     ---      16.0    14.8    15.3

             6      2.3     1.3     1.9       6.3     4.9     5.7       ---     ---     ---      16.8    13.9    15.2
             7      2.3     1.3     1.9       6.8     5.2     6.2       ---     ---     ---      16.4    15.4    16.0
             8      2.3     1.7     2.0       6.5      .2     3.4       ---     ---     ---      15.5    14.1    14.9
             9      2.5     2.1     2.3       1.7     -.1      .6       ---     ---     ---      14.7    13.5    14.2
            10      2.1     1.8     1.9       3.1     1.5     2.2       ---     ---     ---      15.3    13.2    14.3

            11      1.9     1.7     1.9       4.4     2.6     3.4       ---     ---     ---      14.4    10.9    12.7
            12      1.8     1.6     1.7       4.3     3.2     3.7       ---     ---     ---      10.9     7.0     8.9
            13      1.7     1.5     1.6       3.6     3.1     3.4       ---     ---     ---       9.5     6.0     7.8
            14      1.6     1.4     1.5       3.6     2.8     3.3       ---     ---     ---      11.4     8.5     9.8
            15      1.7     1.4     1.5       3.2     1.9     2.5       ---     ---     ---      11.5    10.7    11.1

            16      1.6     1.4     1.5       2.8     1.6     2.2       ---     ---     ---      13.4    10.4    11.7
            17      1.6     1.4     1.5       3.3     1.7     2.4       ---     ---     ---      14.4    11.8    13.0
            18      1.6     1.4     1.5       5.4     2.0     3.3       ---     ---     ---      14.7    11.6    13.1
            19      1.6     1.3     1.5       5.8     3.9     5.1       ---     ---     ---      14.5    12.1    13.3
            20      1.7     1.4     1.6       5.3     3.7     4.5       ---     ---     ---      18.1    13.9    15.7

            21      1.9     1.5     1.7       7.1     4.0     5.7      12.1     8.8    10.3      17.7    16.7    16.9
            22      2.3     1.7     1.9       9.9     4.8     6.9      13.3    10.1    11.7      17.5    16.1    16.8
            23      3.0     2.1     2.5       9.0     5.6     7.5      13.9    11.1    12.5      17.2    15.7    16.5
            24      3.0     2.5     2.8       8.2     6.2     7.3      13.3    11.7    12.6      16.1    13.4    15.0
            25      2.6     2.1     2.3       7.1     4.1     5.6      14.4    12.2    13.3      18.0    14.4    16.0

            26      3.0     1.5     2.2       7.5     5.5     6.6      14.4    12.8    13.5      17.4    15.3    16.3
            27      4.0     2.9     3.4       6.8     4.6     5.6      14.1    12.3    13.2      18.4    14.9    16.4
            28      4.1     3.5     3.8       7.0     2.1     4.4      14.8    12.2    13.4      17.5    15.0    16.4
            29      ---     ---     ---       5.8     2.0     4.3      13.2    11.1    11.9      17.3    15.9    16.6
            30      ---     ---     ---       ---     ---     ---      17.5    11.3    15.8      18.2    15.8    17.1
            31      ---     ---     ---       ---     ---     ---       ---     ---     ---      18.0    15.8    16.8

           MONTH    ---     ---     ---       ---     ---     ---       ---     ---     ---      18.4     6.0    14.5


                            TEMPERATURE, WATER (DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                           JUNE                     JULY                     AUGUST                    SEPTEMBER

             1     16.7    14.4    15.3      25.2    23.0    24.1      25.7    24.4    25.2      16.0    14.4    15.0
             2     17.9    13.3    15.2      23.9    20.5    21.7      25.0    23.3    24.3      14.4    14.1    14.2
             3     17.0    15.1    15.8      21.9    19.8    20.8      25.0    22.6    23.6      15.4    14.1    14.6
             4     18.4    14.1    15.9      21.5    19.3    20.2      26.0    23.6    24.7      15.5    14.5    14.9
             5     19.3    16.6    18.0      21.6    19.1    20.3      25.0    23.6    24.1      16.1    14.7    15.3

             6     19.3    17.3    18.4      24.0    21.0    22.5      24.0    22.4    23.2      16.5    15.8    16.1
             7     21.6    18.1    19.6      25.8    22.6    23.8      23.6    22.5    23.1      16.6    14.9    15.8
             8     21.4    19.6    20.4      26.6    24.1    25.3      23.1    21.7    22.4      17.7    14.9    16.2
             9     19.9    17.3    18.6      26.3    24.2    24.9      25.4    21.6    23.0      17.5    16.0    16.7
            10     17.3    15.9    16.5      25.9    23.0    24.4      24.9    22.6    23.7      16.0    14.2    15.2

            11     17.8    15.4    16.5      25.3    23.2    24.3      26.5    23.3    24.7      15.6    14.4    15.0
            12     17.4    16.5    16.8      26.0    23.5    24.7      26.3    24.2    24.9      15.7    13.7    14.6
            13     16.9    16.2    16.5      26.9    24.4    25.6      24.5    22.1    23.2      15.8    14.6    15.1
            14     17.6    15.3    16.5      27.2    25.0    26.0      22.8    21.3    21.9      16.0    14.1    14.9
            15     17.4    16.3    16.8      26.9    24.9    25.9      22.3    20.1    21.2      15.9    13.5    14.6

            16     16.3    15.1    15.5      25.3    22.8    23.7      21.9    19.5    20.2      16.6    14.1    15.2
            17     17.2    14.8    15.8      22.8    20.8    21.8      20.0    18.5    19.4      17.7    15.1    16.3
            18     18.9    15.5    17.1      21.6    19.8    20.6      19.6    18.4    19.0      17.3    16.4    16.7
            19     18.2    16.3    17.4      20.4    19.3    19.8      18.7    17.2    18.0      16.4    13.7    15.0
            20     17.8    16.8    17.3      22.1    18.5    20.0      18.7    18.1    18.4      13.7    11.6    12.2

            21     17.6    15.8    16.7      23.1    19.8    21.4      19.1    17.1    18.2      11.7    10.7    11.2
            22     19.3    16.8    17.9      23.1    20.6    21.8      19.7    17.6    18.7      10.7     9.2    10.0
            23     21.2    17.8    19.1      24.2    21.6    22.8      20.9    18.6    19.7       9.4     8.2     8.8
            24     21.4    19.8    20.7      24.7    23.0    23.9      21.4    19.1    20.2       9.8     7.5     8.5
            25     21.3    19.4    20.3      24.4    23.0    23.7      22.3    20.1    21.1      10.8     8.2     9.4

            26     20.6    18.6    19.3      26.3    23.3    24.6      22.6    20.5    21.6      11.2     9.9    10.4
            27     19.6    18.1    18.9      25.6    24.1    24.8      22.4    21.0    21.7      12.0     9.5    10.7
            28     20.5    18.1    19.3      25.8    23.5    24.6      21.9    19.1    20.6      13.0    10.8    11.8
            29     23.8    19.2    21.2      25.8    24.0    24.8      19.4    17.4    18.5      14.0    11.7    12.6
            30     24.7    21.4    23.1      26.7    24.5    25.5      18.3    16.4    17.3      14.4    12.4    13.2
            31      ---     ---     ---      26.3    24.8    25.6      17.0    14.9    15.9       ---     ---     ---

           MONTH   24.7    13.3    17.9      27.2    18.5    23.4      26.5    14.9    21.3      17.7     7.5    13.7


                SPECIFIC CONDUCTANCE (MICROSIEMENS/CM AT 25 DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                          OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY

             1      ---     ---     ---       ---     ---     ---       ---     ---     ---      1830    1570    1720
             2      ---     ---     ---       ---     ---     ---       ---     ---     ---      1820    1570    1720
             3      ---     ---     ---       ---     ---     ---       ---     ---     ---      1900    1730    1830
             4      ---     ---     ---       ---     ---     ---       ---     ---     ---      1920    1800    1850
             5      ---     ---     ---       ---     ---     ---       ---     ---     ---      2030    1840    1900

             6      ---     ---     ---       ---     ---     ---       ---     ---     ---      2120    1960    2020
             7      ---     ---     ---       ---     ---     ---       ---     ---     ---      2080    1910    1960
             8      ---     ---     ---       ---     ---     ---       ---     ---     ---      2170    1840    2030
             9      ---     ---     ---       ---     ---     ---      1220    1110    1140      2060    1980    2010
            10      ---     ---     ---       ---     ---     ---      1180    1110    1150      2130    1980    2050

            11      ---     ---     ---       ---     ---     ---      1260    1160    1190      2340    2030    2160
            12      ---     ---     ---       ---     ---     ---      1250    1170    1210      2280    1830    2110
            13      ---     ---     ---       ---     ---     ---      1290    1170    1250      1850    1560    1660
            14      ---     ---     ---       ---     ---     ---      1240    1080    1170      1720    1450    1550
            15      ---     ---     ---       ---     ---     ---      1160    1000    1060      1670    1490    1570

            16      ---     ---     ---       ---     ---     ---      1200    1010    1100      1680    1500    1590
            17      ---     ---     ---       ---     ---     ---      1150    1050    1110      1980    1670    1780
            18      ---     ---     ---       ---     ---     ---      1100     954    1050      2060    1600    1730
            19      ---     ---     ---       ---     ---     ---      1340     919    1100      2070    1870    1960
            20      ---     ---     ---       ---     ---     ---      1270    1140    1210      2100    1890    2000

            21      ---     ---     ---       ---     ---     ---      1400    1120    1270      2310    1970    2180
            22      ---     ---     ---       ---     ---     ---      1550    1120    1260      2170    2000    2120
            23      ---     ---     ---       ---     ---     ---      1630    1470    1540      2060    1950    2010
            24      ---     ---     ---       ---     ---     ---      1710    1530    1590      2000    1830    1900
            25      ---     ---     ---       ---     ---     ---      1740    1530    1630      2370    1680    2050

            26      ---     ---     ---       ---     ---     ---      1760    1630    1710      2340    2140    2230
            27      ---     ---     ---       ---     ---     ---      1800    1580    1680      2580    2170    2380
            28      ---     ---     ---       ---     ---     ---      1840    1720    1790      2430    2150    2270
            29      ---     ---     ---       ---     ---     ---      1760    1560    1680      2420    2140    2230
            30      ---     ---     ---       ---     ---     ---      1830    1650    1720      2390    2190    2260
            31      ---     ---     ---       ---     ---     ---      1740    1580    1670      2230    2040    2160

           MONTH    ---     ---     ---       ---     ---     ---       ---     ---     ---      2580    1450    1970


                SPECIFIC CONDUCTANCE (MICROSIEMENS/CM AT 25 DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                         FEBRUARY                   MARCH                     APRIL                       MAY

             1     2480    2040    2280       ---     ---     ---       ---     ---     ---      1260    1050    1060
             2     2450    2220    2290      2480    2400    2440       ---     ---     ---      1120    1050    1080
             3     2540    2270    2390      2470    2270    2370       ---     ---     ---      1110    1080    1090
             4     2680    2010    2260      2470    2140    2290       ---     ---     ---      1140    1080    1110
             5     2620    2240    2460      2550    2150    2370       ---     ---     ---      1200    1120    1170

             6     2660    2280    2500      2330    2020    2210       ---     ---     ---      1160    1120    1140
             7     2680    2370    2470      2540    1960    2240       ---     ---     ---      1250    1140    1150
             8     2630    2380    2510      2340    2040    2150       ---     ---     ---      1250    1150    1160
             9     2650    2020    2400      2420    2040    2260       ---     ---     ---      1240    1140    1180
            10     2330    1940    2180      2420    2180    2310       ---     ---     ---      1230    1150    1180

            11     2130    1740    1950      2430    2190    2330       ---     ---     ---      1250    1150    1200
            12     2120    1820    1920      2440    2250    2330       ---     ---     ---      1260    1160    1200
            13     2260    2110    2190      2510    2220    2350       ---     ---     ---      1260    1160    1210
            14     2170    1820    1930      2590    2330    2460       ---     ---     ---      1280    1190    1250
            15     2150    1820    1960      2470    2370    2450       ---     ---     ---      1260    1220    1240

            16     2170    1910    2060      2470    2210    2340       ---     ---     ---      1250    1220    1230
            17     2070    1880    1970      2370    2210    2260       ---     ---     ---      1300    1220    1250
            18     2180    1900    2030      2340    2180    2260       ---     ---     ---      1350    1280    1320
            19     2230    1860    2090      2320    1830    2190       ---     ---     ---      1340    1230    1270
            20     2230    2050    2160      1860    1490    1640       ---     ---     ---      1310    1230    1260

            21     2260    1990    2130      1960    1610    1760      1060     999    1040      1280    1230    1260
            22     2240    1940    2070      1660    1440    1590      1020    1010    1010      1260    1240    1250
            23     2600    1910    2080      1770    1340    1490      1060    1010    1020      1340    1240    1270
            24     2560    1970    2150      1610    1340    1490      1060    1010    1020      1380    1260    1270
            25     2560    1960    2160      1840    1400    1510      1020    1010    1020      1280    1260    1270

            26     2320    1850    2020      1820    1470    1630      1250    1010    1100      1300    1270    1290
            27     2560    2100    2370      1950    1520    1780      1330    1010    1170      1310    1270    1290
            28     2640    2240    2400      1950    1490    1680      1320    1020    1060      1340    1290    1310
            29      ---     ---     ---      1530    1250    1420      1040    1020    1030      1410    1300    1320
            30      ---     ---     ---       ---     ---     ---      1280    1040    1220      1340    1320    1330
            31      ---     ---     ---       ---     ---     ---       ---     ---     ---      1380    1340    1360

           MONTH    ---     ---     ---       ---     ---     ---       ---     ---     ---      1410    1050    1220


           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                           JUNE                     JULY                     AUGUST                    SEPTEMBER

             1     1410    1370    1400      1820    1780    1800      1480    1160    1290      1490    1130    1320
             2     1420    1390    1400      1780    1710    1740      1440    1160    1260      1580    1170    1330
             3     1430    1390    1410      1710    1650    1680      1360    1140    1260      1510    1260    1380
             4     1450    1390    1420      1650    1540    1590      1600    1250    1350      1520    1270    1390
             5     1460    1430    1440      1540    1510    1520      1610    1570    1600      1500    1190    1330

             6     1460    1410    1440      1520    1500    1510      1610    1590    1600      1530    1380    1460
             7     1480    1430    1460      1540    1520    1530      1600    1540    1590      1510    1350    1440
             8     1490    1440    1460      1540    1520    1530      1590    1530    1560      1480    1290    1370
             9     1520    1480    1500      1530    1500    1510      1590    1320    1500      1530    1290    1390
            10     1530    1470    1500      1510    1460    1480      1600    1200    1370      1490    1320    1400

            11     1520    1490    1510      1530    1470    1490      1590    1410    1540      1520    1250    1390
            12     1520    1440    1470      1550    1380    1470      1580    1170    1350      1470    1110    1290
            13     1500    1450    1490      1540    1420    1470      1600    1510    1550      1460    1080    1250
            14     1550    1420    1470      1550    1510    1530      1560    1380    1470      1460    1180    1290
            15     1520    1430    1480      1560    1510    1540      1480    1080    1250      1440    1210    1320

            16     1540    1450    1480      1520    1420    1460      1570    1250    1390      1360    1160    1280
            17     1530    1410    1470      1520    1420    1470      1570    1220    1400      1560    1180    1320
            18     1540    1380    1460      1580    1480    1520      1590    1180    1320      1400    1040    1280
            19     1540    1410    1460      1590    1570    1580      1640    1230    1490      1440    1260    1340
            20     1560    1440    1500      1600    1570    1590      1640    1400    1490      1450    1090    1290

            21     1530    1490    1510      1620    1560    1590      1620    1470    1530      1450    1140    1310
            22     1560    1510    1530      1630    1540    1590      1570    1430    1500      1520    1210    1390
            23     1580    1550    1560      1630    1610    1620      1640    1360    1480      1400    1140    1270
            24     1600    1550    1570      1630    1600    1620      1650    1250    1480      1390    1160    1270
            25     1640    1590    1610      1630    1580    1620      1500    1090    1270      1490    1110    1290

            26     1700    1640    1670      1620    1560    1590      1510    1140    1300      1470    1190    1340
            27     1780    1700    1740      1600    1290    1410      1540    1300    1420      1460    1150    1320
            28     1820    1770    1800      1530    1340    1420      1520    1320    1440      1580    1200    1340
            29     1820    1800    1820      1540    1400    1450      1530    1180    1290      1530    1170    1390
            30     1830    1810    1820      1550    1330    1480      1480    1300    1380      1540    1240    1400
            31      ---     ---     ---      1520    1240    1370      1550    1200    1350       ---     ---     ---

           MONTH   1830    1370    1530      1820    1240    1540      1650    1080    1420      1580    1040    1340


                      PH, WATER, WHOLE, FIELD, STANDARD UNITS, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

         DAY      MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN

                    OCTOBER          NOVEMBER          DECEMBER           JANUARY          FEBRUARY            MARCH

           1      ---     ---       ---     ---       ---     ---       8.2     8.2       7.8     7.8       ---     ---
           2      ---     ---       ---     ---       ---     ---       8.2     8.2       7.9     7.8       7.8     7.7
           3      ---     ---       ---     ---       ---     ---       8.2     8.1       8.0     7.9       7.8     7.7
           4      ---     ---       ---     ---       ---     ---       8.1     8.0       8.0     7.9       7.7     7.7
           5      ---     ---       ---     ---       ---     ---       8.0     8.0       7.9     7.8       7.8     7.7

           6      ---     ---       ---     ---       ---     ---       8.0     8.0       7.8     7.8       7.8     7.7
           7      ---     ---       ---     ---       ---     ---       8.0     8.0       7.8     7.8       7.8     7.8
           8      ---     ---       ---     ---       ---     ---       8.0     7.9       7.8     7.8       8.1     7.8
           9      ---     ---       ---     ---       8.8     8.7       7.9     7.9       7.8     7.8       8.1     8.0
          10      ---     ---       ---     ---       8.7     8.6       7.9     7.9       7.8     7.8       8.0     7.9

          11      ---     ---       ---     ---       8.6     8.6       7.9     7.9       7.8     7.8       7.9     7.8
          12      ---     ---       ---     ---       8.6     8.6       7.9     7.9       7.8     7.8       7.8     7.8
          13      ---     ---       ---     ---       8.6     8.5       7.9     7.9       7.8     7.8       7.8     7.8
          14      ---     ---       ---     ---       8.5     8.5       7.9     7.8       7.8     7.8       7.8     7.8
          15      ---     ---       ---     ---       8.6     8.5       7.8     7.8       7.8     7.8       7.8     7.8

          16      ---     ---       ---     ---       8.5     8.5       7.8     7.8       7.8     7.8       7.9     7.8
          17      ---     ---       ---     ---       8.5     8.4       7.8     7.8       7.8     7.8       8.0     7.9
          18      ---     ---       ---     ---       8.4     8.4       7.8     7.8       7.8     7.8       8.0     7.9
          19      ---     ---       ---     ---       8.4     8.4       7.8     7.8       7.8     7.8       8.0     7.9
          20      ---     ---       ---     ---       8.4     8.3       7.8     7.8       7.8     7.8       8.0     8.0

          21      ---     ---       ---     ---       8.3     8.3       7.8     7.8       7.8     7.8       8.0     7.9
          22      ---     ---       ---     ---       8.3     8.3       7.8     7.8       7.8     7.8       8.0     7.9
          23      ---     ---       ---     ---       8.3     8.3       7.8     7.8       7.8     7.8       8.1     8.0
          24      ---     ---       ---     ---       8.3     8.3       7.8     7.8       7.8     7.8       8.1     8.1
          25      ---     ---       ---     ---       8.3     8.3       7.8     7.8       7.8     7.8       8.2     8.1

          26      ---     ---       ---     ---       8.3     8.2       7.8     7.8       7.8     7.8       8.2     8.1
          27      ---     ---       ---     ---       8.3     8.2       7.8     7.8       7.8     7.8       8.2     8.2
          28      ---     ---       ---     ---       8.2     8.2       7.8     7.8       7.8     7.8       8.3     8.2
          29      ---     ---       ---     ---       8.2     8.2       7.8     7.8       ---     ---       8.3     8.3
          30      ---     ---       ---     ---       8.2     8.2       7.8     7.8       ---     ---       ---     ---
          31      ---     ---       ---     ---       8.2     8.2       7.8     7.8       ---     ---       ---     ---

         MONTH    ---     ---       ---     ---       8.8     8.2       8.2     7.8       8.0     7.8       8.3     7.7


         DAY      MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN

                     APRIL              MAY              JUNE              JULY             AUGUST           SEPTEMBER

           1      ---     ---       8.4     8.3       8.6     8.5       8.7     8.4       8.7     8.5       8.9     8.9
           2      ---     ---       8.4     8.3       8.6     8.5       8.7     8.5       8.8     8.6       8.9     8.9
           3      ---     ---       8.4     8.3       8.6     8.6       8.7     8.4       8.8     8.7       9.0     8.9
           4      ---     ---       8.4     8.3       8.6     8.5       8.6     8.4       8.8     8.7       8.9     8.9
           5      ---     ---       8.4     8.2       8.6     8.5       8.7     8.0       8.8     8.7       8.9     8.8

           6      ---     ---       8.4     8.3       8.6     8.6       8.7     8.3       8.8     8.7       8.9     8.8
           7      ---     ---       8.4     8.3       8.6     8.5       8.7     8.4       8.8     8.8       8.9     8.8
           8      ---     ---       8.4     8.3       8.6     8.5       8.7     8.4       8.8     8.7       9.0     8.9
           9      ---     ---       8.4     8.3       8.6     8.5       8.6     8.2       8.9     8.8       8.9     8.9
          10      ---     ---       8.4     8.3       8.6     8.5       8.7     8.3       8.9     8.8       8.9     8.9

          11      ---     ---       8.5     8.3       8.6     8.5       8.6     8.3       8.9     8.8       9.0     8.9
          12      ---     ---       8.5     8.5       8.6     8.5       8.7     8.3       8.8     8.8       9.0     8.9
          13      ---     ---       8.5     8.5       8.5     8.5       8.6     8.3       8.9     8.8       9.0     9.0
          14      ---     ---       8.5     8.4       8.5     8.5       8.6     8.2       8.9     8.8       9.0     9.0
          15      ---     ---       8.5     8.4       8.6     8.5       8.6     8.4       8.9     8.8       9.0     8.9

          16      ---     ---       8.5     8.4       8.6     8.5       8.5     8.4       8.9     8.8       9.0     9.0
          17      ---     ---       8.5     8.4       8.6     8.5       8.6     8.4       8.9     8.8       9.0     9.0
          18      ---     ---       8.5     8.4       8.6     8.5       8.6     8.4       8.9     8.8       9.0     8.9
          19      ---     ---       8.5     8.4       8.6     8.6       8.6     8.4       8.9     8.8       9.0     9.0
          20      ---     ---       8.4     8.3       8.6     8.5       8.6     8.4       8.8     8.7       9.1     9.0

          21      8.3     8.2       8.4     8.4       8.6     8.5       8.6     8.4       8.8     8.7       9.1     9.1
          22      8.3     8.2       8.5     8.4       8.6     8.5       8.6     8.4       8.8     8.8       9.1     9.1
          23      8.3     8.2       8.5     8.4       8.6     8.5       8.6     8.3       8.8     8.8       9.1     9.1
          24      8.3     8.2       8.5     8.4       8.6     8.6       8.6     8.4       8.8     8.8       9.1     9.1
          25      8.2     8.2       8.5     8.4       8.6     8.6       8.6     8.4       8.8     8.8       9.1     9.0

          26      8.2     8.2       8.5     8.4       8.7     8.6       8.6     8.5       8.8     8.8       9.1     9.0
          27      8.4     8.2       8.5     8.4       8.7     8.6       8.7     8.6       8.9     8.8       9.1     9.0
          28      8.4     8.4       8.5     8.4       8.7     8.6       8.6     8.5       8.9     8.8       9.1     9.0
          29      8.4     8.3       8.5     8.5       8.7     8.7       8.7     8.5       8.9     8.9       9.1     9.0
          30      8.4     8.2       8.6     8.5       8.7     8.6       8.6     8.5       8.9     8.9       9.1     9.0
          31      ---     ---       8.6     8.5       ---     ---       8.7     8.5       9.0     8.9       ---     ---

         MONTH    8.4     8.2       8.6     8.2       8.7     8.5       8.7     8.0       9.0     8.5       9.1     8.8

         YEAR     9.1     7.7


                              OXYGEN DISSOLVED (MG/L), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                          OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY

             1      ---     ---     ---       ---     ---     ---       ---     ---     ---      19.1    18.0    18.6
             2      ---     ---     ---       ---     ---     ---       ---     ---     ---      19.0    18.3    18.6
             3      ---     ---     ---       ---     ---     ---       ---     ---     ---      19.1    18.7    19.0
             4      ---     ---     ---       ---     ---     ---       ---     ---     ---      19.1    18.9    19.1
             5      ---     ---     ---       ---     ---     ---       ---     ---     ---      19.1    18.3    18.7

             6      ---     ---     ---       ---     ---     ---       ---     ---     ---      19.0    18.3    18.7
             7      ---     ---     ---       ---     ---     ---       ---     ---     ---      18.9    18.6    18.8
             8      ---     ---     ---       ---     ---     ---       ---     ---     ---      18.8    18.5    18.6
             9      ---     ---     ---       ---     ---     ---      16.9    16.3    16.6      18.7    18.2    18.5
            10      ---     ---     ---       ---     ---     ---      17.1    16.3    16.6      18.4    17.8    18.1

            11      ---     ---     ---       ---     ---     ---      17.2    16.5    16.9      18.9    17.9    18.5
            12      ---     ---     ---       ---     ---     ---      17.1    16.7    16.8      18.6    18.1    18.4
            13      ---     ---     ---       ---     ---     ---      16.9    16.2    16.4      18.5    17.7    18.0
            14      ---     ---     ---       ---     ---     ---      16.5    16.1    16.3      18.3    17.6    18.0
            15      ---     ---     ---       ---     ---     ---      17.0    16.5    16.7      18.2    17.6    17.9

            16      ---     ---     ---       ---     ---     ---      17.0    16.8    16.9      18.3    17.8    18.0
            17      ---     ---     ---       ---     ---     ---      17.0    16.7    16.8      18.9    17.8    18.3
            18      ---     ---     ---       ---     ---     ---      16.7    16.3    16.6      19.0    18.3    18.7
            19      ---     ---     ---       ---     ---     ---      16.6    15.8    16.2      19.0    18.4    18.7
            20      ---     ---     ---       ---     ---     ---      17.3    16.4    16.7      19.0    18.7    18.9

            21      ---     ---     ---       ---     ---     ---      17.3    16.8    17.2      19.0    18.9    19.0
            22      ---     ---     ---       ---     ---     ---      17.7    17.2    17.4      19.0    18.7    18.9
            23      ---     ---     ---       ---     ---     ---      17.9    17.3    17.6      19.0    18.9    18.9
            24      ---     ---     ---       ---     ---     ---      18.2    17.5    17.9      18.9    18.9    18.9
            25      ---     ---     ---       ---     ---     ---      18.3    17.7    18.0      18.9    18.9    18.9

            26      ---     ---     ---       ---     ---     ---      18.5    17.9    18.2      18.9    18.9    18.9
            27      ---     ---     ---       ---     ---     ---      18.8    18.0    18.5      18.9    18.9    18.9
            28      ---     ---     ---       ---     ---     ---      19.0    18.1    18.5      18.9    18.9    18.9
            29      ---     ---     ---       ---     ---     ---      19.1    18.3    18.7      18.9    18.9    18.9
            30      ---     ---     ---       ---     ---     ---      19.1    18.3    18.8      18.9    18.8    18.8
            31      ---     ---     ---       ---     ---     ---      19.1    18.4    18.8      18.8    18.8    18.8

           MONTH    ---     ---     ---       ---     ---     ---       ---     ---     ---      19.1    17.6    18.6


           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                         FEBRUARY                   MARCH                     APRIL                       MAY

             1     18.8    18.8    18.8       ---     ---     ---       ---     ---     ---       9.4     7.8     8.9
             2     18.8    18.2    18.8      18.4    18.4    18.4       ---     ---     ---       9.2     7.7     8.2
             3     18.8    18.1    18.4      18.4    18.4    18.4       ---     ---     ---       8.1     7.2     7.6
             4     18.8    18.8    18.8      18.4    18.4    18.4       ---     ---     ---       8.6     7.2     8.0
             5     18.8    18.8    18.8      18.4    18.4    18.4       ---     ---     ---       8.1     6.9     7.5

             6     18.8    18.7    18.7      18.4    17.6    18.2       ---     ---     ---       8.3     7.5     7.9
             7     18.7    18.7    18.7      18.3    17.6    18.1       ---     ---     ---       8.3     7.4     8.0
             8     18.7    18.7    18.7      18.3    13.2    14.4       ---     ---     ---       8.8     7.6     8.3
             9     18.7    18.7    18.7      16.2    12.9    14.4       ---     ---     ---       9.0     8.1     8.5
            10     18.7    18.7    18.7      18.3    16.0    17.7       ---     ---     ---       9.1     8.1     8.6

            11     18.7    18.7    18.7      18.3    18.3    18.3       ---     ---     ---       9.2     8.1     8.7
            12     18.7    18.7    18.7      18.3    18.3    18.3       ---     ---     ---      10.4     9.0     9.8
            13     18.7    18.6    18.6      18.3    18.3    18.3       ---     ---     ---      11.0    10.2    10.5
            14     18.6    18.6    18.6      18.3    18.3    18.3       ---     ---     ---      11.1    10.2    10.6
            15     18.6    18.6    18.6      18.3    18.3    18.3       ---     ---     ---      10.6     9.8    10.3

            16     18.6    18.6    18.6      18.3    17.9    18.2       ---     ---     ---      10.6     9.2    10.0
            17     18.6    18.6    18.6      18.2    15.7    17.4       ---     ---     ---      10.6     8.9     9.8
            18     18.6    18.6    18.6      17.6    14.8    16.2       ---     ---     ---      10.1     8.7     9.4
            19     18.6    18.6    18.6      18.2    13.9    16.3       ---     ---     ---       9.7     8.3     8.9
            20     18.6    18.0    18.3      16.1    13.1    14.3       ---     ---     ---       9.4     7.3     8.6

            21     18.1    17.5    17.7      18.2    15.6    16.9      10.7    10.0    10.4       ---     ---     ---
            22     18.1    17.0    17.5      18.2    15.6    16.9      10.7     9.5    10.1       8.7     7.2     7.8
            23     18.5    17.0    17.8      18.2    10.8    15.6      10.4     9.6    10.0       8.4     6.5     7.5
            24     18.5    17.5    18.1      12.3    10.8    11.6      10.2     8.9     9.5       9.2     7.8     8.6
            25     18.5    18.5    18.5      15.4    10.1    12.2       9.8     8.8     9.3      10.0     8.0     9.0

            26     18.5    17.5    18.2      15.8    10.4    12.2       9.9     8.9     9.4       9.2     7.3     8.3
            27     18.4    16.5    17.7      14.6    10.2    11.7      10.1     8.7     9.4       8.5     6.4     7.4
            28     18.4    18.4    18.4      14.6    11.5    12.7      10.4     9.3     9.8       8.7     7.6     8.1
            29      ---     ---     ---      13.6     9.7    11.8       9.7     7.9     9.1       9.7     7.9     8.7
            30      ---     ---     ---       ---     ---     ---       8.5     6.6     7.8      10.4     8.6     9.5
            31      ---     ---     ---       ---     ---     ---       ---     ---     ---      11.5     8.8    10.0

           MONTH    ---     ---     ---       ---     ---     ---       ---     ---     ---       ---     ---     ---


                              OXYGEN DISSOLVED (MG/L), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                           JUNE                     JULY                     AUGUST                    SEPTEMBER

             1     10.6     8.4     9.3      11.5     8.2    10.2       ---     ---     ---       ---     ---     ---
             2     11.8     8.9     9.8      10.3     7.6     9.0       ---     ---     ---       ---     ---     ---
             3     11.1     9.2    10.0       ---     ---     ---       ---     ---     ---       ---     ---     ---
             4     11.2     8.4     9.5       ---     ---     ---       ---     ---     ---       ---     ---     ---
             5     11.3     9.3    10.1       ---     ---     ---       ---     ---     ---       ---     ---     ---

             6     11.3     9.3    10.1       ---     ---     ---       ---     ---     ---       ---     ---     ---
             7     10.4     8.1     9.2       ---     ---     ---       ---     ---     ---       9.1     6.4     7.9
             8     10.3     8.4     9.3       ---     ---     ---       ---     ---     ---       9.5     8.3     8.7
             9      9.3     8.0     8.8       ---     ---     ---       ---     ---     ---       8.6     6.7     7.8
            10      9.4     7.8     8.5       ---     ---     ---       ---     ---     ---       8.7     6.8     7.7

            11      9.8     8.1     8.9       ---     ---     ---       ---     ---     ---       9.2     7.6     8.3
            12      9.5     8.1     8.8       ---     ---     ---       ---     ---     ---       9.5     8.2     8.7
            13      9.5     7.9     8.7       ---     ---     ---       ---     ---     ---       9.6     8.1     8.7
            14      9.9     8.2     9.0       ---     ---     ---       ---     ---     ---       9.6     8.5     9.0
            15     10.2     9.1     9.6       ---     ---     ---       ---     ---     ---       9.9     8.5     9.2

            16     11.2     9.0     9.8       ---     ---     ---       ---     ---     ---       9.1     7.5     8.4
            17     12.3     9.9    10.6       ---     ---     ---       ---     ---     ---       9.5     6.4     8.6
            18     12.8    10.9    11.7       ---     ---     ---       ---     ---     ---       7.9     6.8     7.4
            19     12.8    10.5    11.4       ---     ---     ---       ---     ---     ---       8.9     7.0     7.8
            20     10.5     8.5     9.3       ---     ---     ---       ---     ---     ---       9.8     8.0     8.9

            21      9.8     9.0     9.4       ---     ---     ---       ---     ---     ---      10.4     9.1     9.7
            22     10.4     8.6     9.2       ---     ---     ---       ---     ---     ---      10.8     9.6    10.2
            23     10.2     8.4     9.0       ---     ---     ---       ---     ---     ---      11.1    10.1    10.5
            24     10.4     9.4     9.8       ---     ---     ---       ---     ---     ---      11.6    10.4    10.9
            25     10.4     9.4     9.9       ---     ---     ---       ---     ---     ---      11.7    10.7    11.2

            26     10.4     9.6    10.0       ---     ---     ---       ---     ---     ---      11.3    10.6    10.9
            27     11.0     9.4    10.2       ---     ---     ---       ---     ---     ---      11.3     9.9    10.6
            28     11.1     9.9    10.5       ---     ---     ---       ---     ---     ---      11.0    10.1    10.5
            29     13.0    10.6    11.7       ---     ---     ---       ---     ---     ---      11.0     9.8    10.2
            30     12.5    10.0    11.2       ---     ---     ---       ---     ---     ---      10.6     9.2     9.9
            31      ---     ---     ---       ---     ---     ---       ---     ---     ---       ---     ---     ---

           MONTH   13.0     7.8     9.8       ---     ---     ---       ---     ---     ---       ---     ---     ---
Return to 2000 Data Report

U.S. Department of the Interior || U.S. Geological Survey
Maintainer: Webmaster
Last update: Tuesday, 31-Aug-2004 13:27:22 EDT
Privacy || Disclaimer|| Accessibility || FOIA
URL: http://nd.water.usgs.gov/pubs/wdr/wdrnd001/htdocs/d.05124000sw00.html
FirstGov, "Your First Click to the U.S. Government"