RED RIVER OF THE NORTH BASIN

                                        05058000  SHEYENNE RIVER BELOW BALDHILL DAM, ND

LOCATION.--Lat 4701'56", long 9805'08", in NW1/4SW1/4SW1/4 sec.18, T.141 N., R.58 W., Barnes County, Hydrologic Unit 09020204,
   on left bank 0.7 mi downstream from Baldhill Dam, 8 mi northwest of Valley City, and at mile 269.8.

DRAINAGE AREA.--7,470 mi2, approximately, of which about 5,560 mi2 is probably noncontributing, including 3,800 mi2 in closed
   basins.

                                                    WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1949 to current year. Monthly discharge only for some periods, published in WSP 1308.

REVISED RECORDS.--WSP 1728: Drainage area.

GAGE.--Water-stage recorder. Datum of gage is 1,200.00 ft above sea level. Prior to Dec. 29, 1994, at site .7 mi upstream at
   same datum.

REMARKS.--Records fair. Gage moved 0.6 mile upstream on Sept. 19. Flow completely regulated by Lake Ashtabula (station 
   05057500). Records 1955 to 1972 include releases at Baldhill Dam to the fish-rearing ponds of the Fish and Wildlife 
   Service. Small diversions are still made but not published.

                          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       134      111      164      283       26       80      112      238      335      759      375      245
          2       133      111      170      286       27       72      112      236      222      762      352      179
          3       130      123      175      286       25       60      135      222      158      746      212      185
          4       126      136      180      281       27       52      157      200      159      706      150      182
          5       127      146      190      260       27       53      160      197      159      796      131      134

          6       128      141      182      240       27       56      154      195      159      816      131       97
          7       133      137      183      198       27       57      153      193      160      744      118      194
          8       130      133      127      194       28       53      157      233      137      744       93      267
          9       129      143       47      195       26       73      154      251      107      749       81      269
         10       128      156      166      176       31       51      155      229       97      728       84      268

         11       128      155      264      145       28       46      156      230       96      607       85      269
         12       128      156      258      143       27       49      167      236       81      636       86      268
         13       127      158      280      152       28       60      198      235       70      726       86      269
         14       129      157      291      154       33       57      226      233      382      724       85      269
         15       128      156      290      155       37       55      227      212     1140      731       96      247

         16       129      158      290      148       44       55      217      194     1730      737       95      229
         17       129      157      290      155       49       53      217      196     1970      807      131      230
         18       129      155      290      157       50       51      217      199     2030      850      154      395
         19       129      160      293      162       51       50      217      160     2260      862      146      180
         20       130      159      305      142       51       49      218      124     2000      950      148      373

         21       132      158      292      102       51       52      221      123     2020     1040      242      390
         22       132      155      287      105       52       55      219      124     2040     1100      298      391
         23       131      158      285      105       54       53      215      127     2070     1100      215      390
         24       136      159      285       88       54       59      220      121     2070      991      136      389
         25       137      158      286       72       58       61      284      124     2080      904      125      378

         26       135      163      284       72       71       59      228      121     2080      906      172      119
         27       135      173      285       57       59       61      221      117     1840      779      172      118
         28       132      176      284       42       64       72      230      116     1330      536      226      118
         29       117      176      284       40       76       77      231      117     1030      382      310      118
         30       107      165      284       43      ---       78      235      272      831      405      347      118
         31       108      ---      284       34      ---       97      ---      378      ---      405      346      ---

        TOTAL    3986     4549     7575     4672     1208     1856     5813     5953    30843    23728     5428     7278
        MEAN      129      152      244      151     41.7     59.9      194      192     1028      765      175      243
        MAX       137      176      305      286       76       97      284      378     2260     1100      375      395
        MIN       107      111       47       34       25       46      112      116       70      382       81       97
        AC-FT    7910     9020    15030     9270     2400     3680    11530    11810    61180    47060    10770    14440

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

        MEAN     54.3     72.2     68.9     63.2     73.8      220      635      316      182      142     85.5     62.5
        MAX       622      291      244      182      300     1567     3329     2906     1154     1272     1555      577
        (WY)     1995     1995     2000     1995     1996     1995     1997     1950     1950     1993     1993     1994
        MIN      1.92     5.27     4.32     3.64     7.66     7.81     2.07     6.86     5.88     7.28     6.72      .81
        (WY)     1956     1956     1980     1956     1956     1955     1953     1959     1958     1959     1977     1955

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

        ANNUAL TOTAL                      197119                     102889
        ANNUAL MEAN                          540                        281                        164
        HIGHEST ANNUAL MEAN                                                                        574              1995
        LOWEST ANNUAL MEAN                                                                          12.8            1991
        HIGHEST DAILY MEAN                  2560     Apr  9            2260     Jun 19            5410       Apr 20 1996
        LOWEST DAILY MEAN                     47     Dec  9              25     Feb  3                .00    Sep  8 1950
        ANNUAL SEVEN-DAY MINIMUM             104     Jan  5              27     Feb  1                .00    Aug  8 1952
        INSTANTANEOUS PEAK FLOW                                        2330     Jun 19            5460       Apr 20 1996
        INSTANTANEOUS PEAK STAGE                                         29.88  Jun 19              36.46    Apr 20 1996
        ANNUAL RUNOFF (AC-FT)             391000                     204100                     119100
        10 PERCENT EXCEEDS                  1470                        733                        326
        50 PERCENT EXCEEDS                   339                        158                         47
        90 PERCENT EXCEEDS                   115                         53                          9.5
       
 
                                                             WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water year 1959 to current year.

PERIOD OF DAILY RECORD.--

   WATER TEMPERATURE: April 1997 to current year.

   SPECIFIC CONDUCTANCE: April 1997 to current year.

INSTRUMENTATION.--Water-quality sensors since April 1997.

REMARKS.--Records good. Interruptions in daily record are due to sensor probe malfunctions and relocation of sensor probe.

EXTREMES FOR PERIOD OF DAILY RECORD.--

   WATER TEMPERATURE: Maximum recorded, 28.3C, July 20, 1998; minimum recorded, 0.3C, Apr. 16, 1997.

   SPECIFIC CONDUCTANCE: Maximum recorded, 1,260 microsiemens, Mar. 6-8, 24, 2000; minimum recorded, 401 microsiemens, 
      Apr. 14, 1999.

EXTREMES FOR CURRENT YEAR.--

   WATER TEMPERATURE: Maximum recorded, 26.4C, July 10; minimum recorded, 1.0C, Feb. 10.

   SPECIFIC CONDUCTANCE: Maximum recorded, 1,260 microsiemens, Mar. 6-8, 24; minimum recorded, 685 microsiemens, July 17.


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

                                DIS-     DIS-     PH       PH       SPE-
                              CHARGE,  CHARGE,   WATER    WATER    CIFIC    SPE-                       HARD-
                                 IN     INST.    WHOLE    WHOLE     CON-    CIFIC                      NESS    CALCIUM
                               CUBIC    CUBIC    FIELD     LAB     DUCT-    CON-    TEMPER-  TEMPER-   TOTAL    DIS-
                                FEET     FEET   (STAND-  (STAND-   ANCE     DUCT-    ATURE    ATURE    (MG/L    SOLVED
             DATE      TIME     PER      PER      ARD      ARD      LAB     ANCE      AIR     WATER     AS      (MG/L
                               SECOND   SECOND   UNITS)   UNITS)  (US/CM)  (US/CM)  (DEG C)  (DEG C)   CACO3)   AS CA)
                              (00060)  (00061)  (00400)  (00403)  (90095)  (00095)  (00020)  (00010)  (00900)  (00915)

         OCT
           06...       1310      --      128       --       --       --      945     10.5     11.0       --       --
           07...       1115     133       --       --       --       --      958       --     10.4       --       --
           26...       0950     135       --       --       --       --      985       --      7.5       --       --
         NOV
           12...       1105      --      155       --       --       --     1020     11.5      6.0       --       --
         DEC
           09...       0940      47       --       --       --       --     1020       --      1.8       --       --
         JAN
           12...       1030      --      135       --       --       --     1040     -4.0      2.0       --       --
           31...       1200      --       31       --       --       --     1230       --      2.5       --       --
         MAR
           08...       0940      --       52       --       --       --     1270       --      4.0       --       --
           21...       1015      52       --       --       --       --     1230       --      5.1       --       --
           28...       1325      --       76       --       --       --     1130     10.0      7.0       --       --
         APR
           19...       1210      --      214      8.8      8.6     1100     1110      5.0      5.5      380     73.0
         MAY
           23...       1140      --      126       --       --       --     1050       --     13.5       --       --
         JUN
           28...       0945      --     1420       --       --       --      910     17.5     19.5       --       --
         JUL
           18...       0845     850       --       --       --       --      762       --     23.0       --       --
         AUG
           18...       0855      --      159      8.1       --      965      918     18.5     21.0      320     63.0
         SEP
           07...       1345     194       --       --       --       --      918       --     19.4       --       --


                                                                    ANC                                        SOLIDS,
                      MAGNE-   POTAS-   SODIUM                    UNFLTRD   CHLO-    FLUO-            SOLIDS,  RESIDUE
                       SIUM,    SIUM,     AD-   SODIUM,           TIT 4.5   RIDE,    RIDE,   SULFATE    DIS-   AT 180
                       DIS-     DIS-    SORP-    DIS-               LAB     DIS-      DIS-    DIS-     SOLVED   DEG. C
                      SOLVED   SOLVED    TION   SOLVED             (MG/L    SOLVED   SOLVED   SOLVED   (TONS     DIS-
             DATE     (MG/L    (MG/L    RATIO    (MG/L    SODIUM    AS      (MG/L    (MG/L    (MG/L     PER     SOLVED
                      AS MG)   AS K)             AS NA)  PERCENT   CACO3)   AS CL)   AS F)   AS SO4)    DAY)    (MG/L)
                     (00925)  (00935)  (00931)  (00930)  (00932)  (90410)  (00940)  (00950)  (00945)  (70302)  (70300)

         OCT
           06...        --       --       --       --       --       --       --       --       --       --       --
           07...        --       --       --       --       --       --       --       --       --       --       --
           26...        --       --       --       --       --       --       --       --       --       --       --
         NOV
           12...        --       --       --       --       --       --       --       --       --       --       --
         DEC
           09...        --       --       --       --       --       --       --       --       --       --       --
         JAN
           12...        --       --       --       --       --       --       --       --       --       --       --
           31...        --       --       --       --       --       --       --       --       --       --       --
         MAR
           08...        --       --       --       --       --       --       --       --       --       --       --
           21...        --       --       --       --       --       --       --       --       --       --       --
           28...        --       --       --       --       --       --       --       --       --       --       --
         APR
           19...      48.0     12.0       2      110       38       380     19.0       .2      210      419      726
         MAY
           23...        --       --       --       --       --       --       --       --       --       --       --
         JUN
           28...        --       --       --       --       --       --       --       --       --       --       --
         JUL
           18...        --       --       --       --       --       --       --       --       --       --       --
         AUG
           18...      39.0     12.0       2       96.0     39       299     15.0       .2      200      264      616
         SEP
           07...        --       --       --       --       --       --       --       --       --       --       --


                          SOLIDS,
                          SUM OF                                        MANGA-            MOLYB-   SELE-    STRON-
                          CONSTI-  ARSENIC   IRON,    LEAD,   LITHIUM   NESE,   MERCURY   DENUM,   NIUM,     TIUM,
                          TUENTS,    DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-
                            DIS-    SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED
                  DATE     SOLVED   (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L
                           (MG/L)   AS AS)   AS FE)   AS PB)   AS LI)   AS MN)   AS HG)   AS MO)   AS SE)   AS SR)
                          (70301)  (01000)  (01046)  (01049)  (01130)  (01056)  (71890)  (01060)  (01145)  (01080)

              OCT
                06...        --       --       --       --       --       --       --       --       --       --
                07...        --       --       --       --       --       --       --       --       --       --
                26...        --       --       --       --       --       --       --       --       --       --
              NOV
                12...        --       --       --       --       --       --       --       --       --       --
              DEC
                09...        --       --       --       --       --       --       --       --       --       --
              JAN
                12...        --       --       --       --       --       --       --       --       --       --
                31...        --       --       --       --       --       --       --       --       --       --
              MAR
                08...        --       --       --       --       --       --       --       --       --       --
                21...        --       --       --       --       --       --       --       --       --       --
                28...        --       --       --       --       --       --       --       --       --       --
              APR
                19...       701      5.0      10        1      70.0       20       .1      <1      <1.0      420
              MAY
                23...        --       --       --       --       --       --       --       --       --       --
              JUN
                28...        --       --       --       --       --       --       --       --       --       --
              JUL
                18...        --       --       --       --       --       --       --       --       --       --
              AUG
                18...       605      8.0      30       <1      70.0      150       .1       1       1.0      410
              SEP
                07...        --       --       --       --       --       --       --       --       --       --


                            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     12.9    11.9    12.5       7.5     6.1     6.9       3.6     2.9     3.1       2.9     2.6     2.7
             2     12.8    11.2    11.9       7.2     5.9     6.3       3.1     2.7     2.9       2.9     2.6     2.7
             3     11.8    11.0    11.4       7.0     5.5     6.0       3.3     2.9     3.0       2.8     2.4     2.6
             4     12.2    10.7    11.3       6.8     5.7     6.1       3.1     2.5     2.9       2.8     2.4     2.5
             5     11.8    10.5    11.0       6.6     5.6     6.0       2.8     2.3     2.5       3.0     2.5     2.7

             6      ---     ---     ---       6.7     5.5     5.9       2.8     2.2     2.4       2.7     2.4     2.5
             7      ---     ---     ---       7.0     5.7     6.1       2.9     2.2     2.4       3.1     2.4     2.7
             8     11.9    10.1    10.7       7.0     5.9     6.2       2.9     1.9     2.5       3.4     2.7     2.9
             9     11.8    10.2    10.7       6.7     5.8     6.2       2.3     1.8     1.9       3.4     2.8     3.0
            10     11.9    10.2    10.8       6.2     5.6     5.9       2.2     1.9     2.0       3.2     2.4     2.8

            11     11.6    10.1    10.6       6.5     5.6     5.9       2.5     2.0     2.2       3.0     2.3     2.6
            12     10.7    10.2    10.5       6.5     5.5     5.9       2.5     2.0     2.2       2.7     2.2     2.4
            13     11.0     9.6    10.2       6.7     5.8     6.1       2.6     2.0     2.2       3.3     2.5     2.8
            14     11.1     9.7    10.2       6.4     5.6     5.9       2.3     2.0     2.2       3.3     2.6     2.9
            15     11.2     9.9    10.3       6.5     5.5     5.9       2.0     1.4     1.7       3.4     2.4     2.8

            16     10.3     9.3     9.7       6.2     5.5     5.8       1.5     1.2     1.3       3.1     2.3     2.6
            17     10.3     8.9     9.3       6.2     5.3     5.6       1.6     1.3     1.5       3.5     2.4     2.9
            18      9.8     8.9     9.2       5.4     4.5     5.1       2.0     1.5     1.7       3.4     2.6     2.9
            19      9.4     8.4     8.9       4.7     4.2     4.4       1.8     1.4     1.6       3.1     2.4     2.7
            20      9.9     8.1     8.8       4.8     4.1     4.4       1.7     1.2     1.5       3.4     2.5     2.8

            21      9.7     8.6     8.9       5.0     4.2     4.5       2.0     1.6     1.7       3.0     2.4     2.6
            22      9.3     7.9     8.5       4.8     4.0     4.4       2.1     1.6     1.9       2.9     2.2     2.6
            23      9.1     7.4     8.0       4.5     3.9     4.2       2.3     2.0     2.2       3.3     2.3     2.7
            24      9.0     7.5     8.0       4.6     3.7     4.1       2.6     2.2     2.3       3.3     2.5     2.9
            25      8.6     7.7     8.0       4.4     3.7     4.0       2.8     2.2     2.4       3.8     2.3     2.9

            26      8.6     7.4     7.9       4.1     3.5     3.7       2.6     2.2     2.4       3.6     2.1     2.6
            27      8.6     7.3     7.7       3.9     3.3     3.5       2.5     2.1     2.3       3.7     2.4     2.9
            28      8.3     6.8     7.3       3.7     3.0     3.3       2.9     2.5     2.6       4.1     2.3     3.0
            29      7.7     7.0     7.3       3.5     2.8     3.0       3.0     2.6     2.7       3.8     2.1     2.7
            30      8.4     7.0     7.4       3.6     3.0     3.2       3.0     2.6     2.7       3.6     2.0     2.6
            31      8.8     6.8     7.5       ---     ---     ---       3.0     2.6     2.8       3.2     2.2     2.6

           MONTH    ---     ---     ---       7.5     2.8     5.2       3.6     1.2     2.2       4.1     2.0     2.7


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

                         FEBRUARY                   MARCH                     APRIL                       MAY

             1      3.8     2.4     2.8       6.3     3.6     4.5       7.4     5.2     6.0      13.0    10.6    11.8
             2      5.0     2.2     3.2       6.4     4.0     4.6       6.8     5.6     6.0      13.0    11.5    12.3
             3      2.8     1.8     2.3       7.3     3.7     4.9       6.7     5.0     5.8      13.5    11.5    12.4
             4      4.1     1.6     2.5       7.7     3.6     5.0       7.2     5.2     6.0      15.1    12.7    13.5
             5      3.8     2.0     2.7       8.1     3.8     5.3       7.1     5.8     6.2      16.2    13.1    14.3

             6      4.8     1.9     2.9       7.7     4.2     5.3       7.1     5.3     6.0      15.8    13.7    14.8
             7      4.4     1.8     2.8       7.8     4.2     5.4       7.4     5.3     6.1      15.6    14.8    15.2
             8      4.6     2.2     3.2       5.0     1.3     3.4       7.9     5.6     6.4      16.1    15.2    15.5
             9      3.4     1.5     2.4       5.0     1.3     2.8       8.0     5.7     6.6      16.5    14.8    15.4
            10      3.1     1.0     1.9       7.1     3.1     4.4       6.6     5.4     6.1      16.3    14.7    15.3

            11      3.7     1.4     2.1       6.2     3.6     4.5       7.2     5.3     6.0      15.5    15.2    15.4
            12      4.3     1.9     2.7       7.1     3.3     4.5       6.2     5.4     5.7      15.4    14.2    14.9
            13      3.5     1.3     2.1       6.9     3.7     4.8       7.4     5.5     6.2      14.5    13.5    13.9
            14      4.6     2.2     2.9       5.3     3.0     4.1       6.2     3.9     4.7      14.7    13.2    13.8
            15      3.9     1.3     2.7       6.5     2.7     4.0       5.3     3.2     4.2      14.2    13.4    13.7

            16      4.6     2.2     3.1       6.3     2.8     4.1       5.9     4.2     4.9      15.5    13.6    14.3
            17      4.5     2.8     3.5       5.6     3.1     4.2       6.2     4.6     5.3      15.3    13.7    14.4
            18      4.9     2.3     3.4       8.4     3.7     5.3       7.2     5.0     5.9      15.5    12.9    14.1
            19      4.7     2.1     3.1       8.1     3.8     5.3       7.3     5.0     5.6      16.5    13.9    14.8
            20      5.6     2.7     3.6       5.0     4.2     4.5       7.1     4.7     5.8      15.9    14.1    14.7

            21      6.1     2.9     3.9       7.7     4.3     5.4       7.6     5.8     6.5      16.2    14.5    15.3
            22      6.5     3.2     4.3       8.7     4.1     5.6       8.7     5.9     7.1      16.1    14.4    15.1
            23      5.6     3.4     4.2       7.6     4.3     5.7      10.1     7.2     8.1      15.6    14.2    14.8
            24      4.6     4.1     4.3       7.1     4.8     5.8       8.9     7.4     8.0      16.2    14.1    14.9
            25      4.4     3.8     4.2       8.3     4.3     5.7       9.3     7.6     8.2      17.0    14.0    15.2

            26      4.9     2.8     3.8       7.6     4.6     5.8       9.6     8.0     9.0      16.8    14.1    15.1
            27      6.6     3.3     4.4       6.4     4.1     5.1      10.5     9.6     9.9      15.9    14.6    15.2
            28      6.2     3.8     4.6       7.7     3.7     5.3      11.6     9.4    10.4      16.9    14.7    15.6
            29      5.6     3.7     4.3       8.5     4.6     6.1      11.8    10.3    10.9      16.1    14.9    15.5
            30      ---     ---     ---       8.9     5.3     6.5      11.6    10.6    10.9      17.4    15.6    16.4
            31      ---     ---     ---       6.7     5.3     5.8       ---     ---     ---      16.9    16.1    16.6

           MONTH    6.6     1.0     3.2       8.9     1.3     5.0      11.8     3.2     6.8      17.4    10.6    14.7


                            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     16.8    15.9    16.2      22.9    19.7    20.7      24.8    22.8    23.7      20.6    20.1    20.3
             2     17.7    15.6    16.5      23.3    21.4    21.9      25.5    23.6    24.4      20.1    19.7    19.8
             3     16.4    15.8    16.1      21.5    21.2    21.3      24.7    23.1    23.8      20.8    19.6    20.0
             4     17.9    15.7    16.6      22.3    21.2    21.5      24.9    22.9    23.6      20.2    19.4    19.7
             5     18.1    15.9    16.8      23.0    21.4    22.1      24.9    22.9    23.7      19.8    19.1    19.4
           
             6     18.0    15.7    16.6      23.3    22.4    22.8      24.9    22.8    23.7      20.3    18.9    19.4
             7     18.7    16.4    17.3      23.8    21.9    22.6      25.7    23.1    24.0      19.5    18.7    19.1
             8     20.4    16.5    18.2      24.7    23.4    24.0      25.5    23.3    24.2      19.7    18.8    19.1
             9     21.4    18.2    19.4      25.4    23.8    24.6      25.7    22.3    24.0      19.7    19.0    19.2
            10     20.7    18.3    19.2      26.4    24.4    25.3      25.3    22.7    23.7      19.3    18.6    18.9

            11     21.8    18.3    19.5      25.6    24.1    24.8      25.4    23.1    23.9      19.1    18.5    18.7
            12     21.9    18.6    19.8      24.5    23.6    24.1      25.9    23.1    24.4      18.9    18.3    18.5
            13     21.4    18.7    19.9      25.8    23.6    24.6      26.2    23.9    24.7      18.5    18.1    18.2
            14     20.2    19.1    19.8      26.3    24.7    25.5      25.6    23.7    24.3      18.6    17.8    18.1
            15     19.8    19.4    19.6      25.9    22.8    24.4      25.3    23.3    24.1      18.4    17.5    17.8

            16     19.4    19.0    19.1      23.7    22.7    23.3      23.6    22.3    22.9      18.6    17.4    17.9
            17     19.1    18.8    18.9      24.6    23.1    23.8      23.7    22.3    22.8      18.5    17.8    18.1
            18     20.2    19.0    19.3      24.3    23.2    23.7      23.7    21.7    22.5       ---     ---     ---
            19     19.5    18.8    19.0      23.2    22.6    22.8      22.7    21.8    22.1       ---     ---     ---
            20     19.7    19.3    19.5      23.0    22.2    22.6      22.0    21.6    21.7      17.9    17.1    17.6

            21     19.4    18.8    19.0      23.4    22.3    22.6      22.2    21.1    21.8      17.1    16.7    16.9
            22     19.1    18.6    18.8      22.9    22.0    22.2      22.2    21.5    21.8      16.7    15.3    15.9
            23     20.2    18.7    19.3      22.2    21.8    22.0      22.3    21.1    21.6      15.3    14.8    15.0
            24     21.3    19.5    20.3      22.4    22.0    22.2      22.6    21.2    21.7      15.0    14.4    14.7
            25     20.6    19.2    20.2      22.7    22.2    22.4      23.0    21.4    22.1      14.8    14.1    14.4

            26     20.3    19.8    20.0      24.9    22.5    23.5      23.1    21.9    22.5      15.5    13.9    14.5
            27     20.5    19.6    20.0      25.7    23.7    24.7      22.2    21.6    21.8      15.3    14.2    14.6
            28     20.6    19.6    20.1      25.5    24.5    24.8      22.2    21.6    21.9      15.3    13.9    14.4
            29     20.4    19.6    20.0      24.7    22.5    23.8      21.9    21.1    21.5      14.9    13.8    14.2
            30     19.7    19.2    19.5      22.9    22.4    22.7      21.5    20.9    21.2      15.2    14.1    14.5
            31      ---     ---     ---      23.7    22.5    22.9      21.2    20.5    20.8       ---     ---     ---

           MONTH   21.9    15.6    18.8      26.4    19.7    23.2      26.2    20.5    22.9       ---     ---     ---


                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      943     930     938       999     988     992      1010    1000    1000      1080    1080    1080
             2      954     927     938      1000     992     998      1010    1000    1000      1090    1080    1090
             3      940     920     932      1010     993    1000      1010    1000    1000      1100    1090    1090
             4      943     922     933      1010     994    1000      1010     998    1010      1100    1100    1100
             5      943     931     939      1010     999    1000      1010     999    1000      1110    1100    1100

             6      ---     ---     ---      1020    1010    1020      1000    1000    1000      1120    1110    1110
             7      ---     ---     ---      1020    1010    1020      1020    1000    1010      1120    1120    1120
             8      980     972     976      1020    1000    1010      1020    1010    1010      1130    1120    1120
             9      982     976     980      1020     995    1010      1020     988    1010      1130    1120    1130
            10      984     979     982      1020     996    1010       997     992     995      1140    1130    1130

            11      985     980     983      1020     999    1010       996     991     994      1150    1140    1140
            12      986     982     984      1030    1020    1020       999     991     995      1150    1140    1150
            13      987     980     984      1020    1000    1010       999     994     997      1150    1140    1150
            14      986     977     983      1020    1010    1020      1000     996     999      1160    1150    1150
            15      986     976     982      1030     999    1020      1010     999    1000      1160    1150    1160

            16      986     982     984      1020    1000    1010      1020    1010    1010      1170    1150    1160
            17      986     980     984      1020    1010    1010      1020    1010    1010      1170    1160    1160
            18      985     979     983      1020     994    1010      1020    1010    1020      1170    1160    1170
            19      986     979     983      1020    1010    1020      1030    1020    1020      1180    1170    1170
            20      985     978     982      1020    1010    1020      1030    1020    1030      1190    1170    1180

            21      984     977     981      1020     999    1010      1040    1030    1040      1190    1180    1190
            22      986     977     982      1020    1000    1010      1040    1040    1040      1200    1180    1190
            23      987     976     983      1020    1010    1020      1050    1040    1040      1200    1180    1190
            24      986     975     982      1020     996    1010      1050    1040    1050      1200    1190    1200
            25      984     977     981      1020    1010    1010      1050    1050    1050      1210    1200    1210

            26      985     973     980      1020    1000    1010      1060    1050    1050      1220    1200    1210
            27      986     976     983      1010    1000    1000      1070    1060    1060      1230    1180    1210
            28      990     980     986      1010     999    1000      1070    1060    1070      1240    1180    1220
            29      991     981     987      1010     990    1000      1070    1060    1070      1240    1180    1230
            30      992     980     988      1000     997    1000      1080    1070    1070      1250    1210    1230
            31      997     982     990       ---     ---     ---      1080    1070    1070      1250    1190    1220

           MONTH    ---     ---     ---      1030     988    1010      1080     988    1020      1250    1080    1160


                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     1200    1180    1200      1240    1220    1230      1140    1130    1140      1080    1070    1070
             2     1200    1180    1190      1240    1210    1230      1140    1130    1130      1080    1070    1070
             3     1210    1190    1200      1250    1210    1230      1130    1100    1110      1080    1070    1070
             4     1210    1180    1200      1250    1210    1230      1120    1100    1110      1080    1060    1070
             5     1210    1180    1200      1250    1220    1240      1120    1110    1120      1080    1060    1070
           
             6     1210    1180    1200      1260    1220    1240      1120    1100    1110      1080    1040    1060
             7     1210    1180    1200      1260    1220    1240      1120    1080    1100      1060    1020    1040
             8     1210    1180    1200      1260    1240    1250      1100    1090    1100      1050    1020    1040
             9     1220    1190    1210      1250    1180    1210      1100    1090    1100      1040    1020    1040
            10     1220    1180    1210      1220    1190    1210      1100    1080    1090      1050    1020    1040

            11     1230    1190    1210      1250    1210    1220      1110    1080    1090      1050    1040    1040
            12     1220    1190    1200      1250    1210    1240      1110    1090    1100      1040    1030    1040
            13     1230    1190    1210      1250    1230    1240      1100    1090    1100      1050    1030    1040
            14     1220    1190    1210      1250    1210    1240      1110    1080    1090      1050    1030    1040
            15     1230    1200    1210      1250    1210    1230      1090    1070    1080      1050    1040    1040

            16     1240    1200    1230      1240    1220    1230      1090    1080    1090      1040    1030    1040
            17     1230    1210    1220      1250    1220    1240      1100    1090    1090      1050    1020    1040
            18     1240    1220    1230      1240    1200    1230      1110    1080    1090      1050    1020    1040
            19     1240    1200    1230      1240    1210    1230      1090    1080    1080      1050    1030    1040
            20     1230    1200    1220      1240    1230    1240      1090    1070    1080      1050    1030    1040

            21     1230    1200    1220      1240    1190    1220      1090    1080    1080      1050    1040    1040
            22     1230    1200    1220      1240    1210    1220      1090    1080    1090      1050    1040    1050
            23     1240    1200    1220      1240    1200    1220      1090    1070    1080      1060    1050    1050
            24     1230    1190    1210      1260    1190    1220      1090    1080    1080      1060    1050    1050
            25     1220    1120    1190      1230    1190    1210      1090    1080    1090      1060    1050    1050

            26     1230     779    1080      1200    1160    1170      1090    1080    1090      1060    1050    1050
            27     1240    1200    1230      1170    1130    1150      1080    1070    1080      1050    1040    1050
            28     1240    1210    1230      1140    1120    1130      1080    1070    1080      1050    1040    1050
            29     1240    1220    1230      1140    1120    1130      1080    1070    1070      1050    1020    1040
            30      ---     ---     ---      1140    1120    1130      1080    1070    1070      1040    1020    1030
            31      ---     ---     ---      1140    1130    1140       ---     ---     ---      1020    1010    1020

           MONTH   1240     779    1210      1260    1120    1210      1140    1070    1090      1080    1010    1050


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

                           JUNE                     JULY                     AUGUST                    SEPTEMBER

             1     1010    1010    1010       917     856     876       852     841     847       857     846     848
             2     1010    1000    1010       861     843     849       857     846     852       889     849     861
             3     1010    1000    1010       850     835     842       855     846     851       928     882     907
             4     1010     999    1000       849     829     842       861     849     853       926     910     920
             5     1000     997    1000       838     787     821       858     837     850       928     910     921

             6     1000    1000    1000       793     775     788       865     845     856       926     901     912
             7     1000    1000    1000       813     790     802       866     844     860       926     909     918
             8     1060     999    1030       797     777     785       866     850     860       909     899     903
             9     1040    1040    1040       783     778     780       869     837     859       908     900     904
            10     1040    1040    1040       780     765     773       866     858     863       913     904     907

            11     1040    1040    1040       769     745     760       871     865     867       915     908     911
            12     1040    1040    1040       782     759     771       868     865     867       919     907     914
            13     1050    1040    1040       775     745     765       872     864     867       921     912     917
            14     1040    1010    1030       772     746     762       878     859     866       923     917     920
            15     1030    1020    1030       768     734     748       871     858     864       926     919     923

            16     1030    1020    1020       778     738     760       863     822     850       928     919     923
            17     1020    1020    1020       765     685     727       863     853     858       932     922     926
            18     1020    1010    1020       771     757     766       880     858     866       ---     ---     ---
            19     1010    1000    1010       779     761     774       890     863     877       ---     ---     ---
            20     1010     999    1000       772     765     769       864     856     861       898     884     894

            21     1000     993     999       782     749     765       857     835     846       899     884     895
            22      993     979     989       769     757     763       853     838     844       901     895     898
            23      994     978     985       782     757     768       858     846     851       906     900     903
            24      983     952     968       792     764     777       894     857     873       910     906     907
            25      964     946     955       804     785     795       875     848     857       916     907     912

            26      969     937     957       787     741     764       858     847     852       918     903     914
            27      968     952     960       805     722     747       853     843     849       923     910     916
            28      960     926     946       819     805     815       866     850     860       928     917     922
            29      938     902     925       825     806     816       895     864     884       930     920     925
            30      954     887     915       853     825     841       888     857     867       935     920     927
            31      ---     ---     ---       860     843     853       857     845     851       ---     ---     ---

           MONTH   1060     887    1000       917     685     789       895     822     859       ---     ---     ---

Return to 2000 Data Report

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