DEEPWATER CREEK BASIN

                                        06332770  DEEPWATER CREEK AT MOUTH NEAR RAUB, ND

LOCATION.--Lat 4744'16", long 10206'26", in NW1/4NW1/4SW1/4 sec.8, T.149 N., R.89 W., McLean County, Hydrologic Unit 10110101,
   on right bank 20 ft upstream from Highway 1804 bridge, 0.6 mi south of junction of State Highway 37 and 1804, 3 mi west and
   0.6 mi south of Raub.

DRAINAGE AREA.--220 mi2.

                                                    WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--July 1991 to current year.

GAGE.--Water-stage recorder. Elevation of gage is 1,832 ft above sea level, from topographic map.

REMARKS.--Records poor.

                          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      e.05     e1.4      1.8     e1.9     e2.0     e5.0     e4.7     e3.6     2.6       .50      .71    e1.0
          2      e.10     e1.4      1.7     e1.8     e2.0     e7.0     e4.5     e3.7     2.3       .44      .78     e.90
          3      e.20     e1.4      2.0     e1.7     e2.1    e10       e4.4     e3.7     2.4       .40      .73     e.85
          4      e.25     e1.4      2.0     e1.6     e2.1    e15       e4.4     e3.7     2.7       .39      .70     e.75
          5      e.30     e1.5      2.2     e1.7     e2.1    e12       e4.3     e3.8     3.0       .39      .71     e.70

          6      e.80     e1.6      2.0     e1.7     e2.0    e10       e4.3      4.1     2.5       .49      .71     e.65
          7      e.90     e1.7      2.0     e1.8     e1.8    e10       e4.2      4.0     2.1       .71      .65     e.60
          8     e1.0      e1.8      1.9     e1.8     e1.7     e9.0     e4.2      4.6     1.8       .89      .67     e.55
          9     e1.2      e1.9      1.8     e1.8     e1.6     e8.0     e4.1      5.2     1.6       .92      .61     e.50
         10     e1.1      e1.8      1.8     e1.8     e1.5     e6.0     e4.0      6.5     1.4       .71     e.60     e.45

         11     e1.2      e1.8      1.7     e1.8     e1.4     e5.0     e4.0     11       1.3       .61     e.58     e.40
         12     e1.2      e1.7      1.7     e1.9     e1.4     e4.7     e4.0     14       1.3       .42     e.56     e.35
         13     e1.2      e1.9      1.6     e1.9     e1.4     e4.5     e3.9     20       1.6       .87     e.55     e.30
         14     e1.2      e2.0      1.7     e1.8     e1.5     e4.3     e3.7     19       2.3       .67     e.54     e.28
         15     e1.2      e2.0      1.7     e1.8     e1.5     e4.0     e3.6     15       5.1       .41     e.52     e.26

         16     e1.2      e1.9      1.7     e1.7     e1.6     e4.3     e3.7      9.7     4.9       .31     e.50     e.24
         17     e1.2      e1.9      1.7     e1.7     e1.6     e5.0     e3.8      7.9     4.5       .38     e.48     e.22
         18     e1.3      e1.9      1.7     e1.7     e1.7     e5.5     e4.0      6.0     3.6       .40     e.44     e.20
         19     e1.3      e2.0      1.8     e1.7     e1.7     e5.8     e4.2      5.2     2.9       .47     e.40     e.18
         20     e1.3      e2.0     e1.6     e1.8     e1.8     e6.0     e4.5      5.2     2.2       .45     e.40     e.16

         21     e1.3      e2.0     e1.6     e1.8     e1.8     e6.0     e4.4      4.8     1.4       .47      .45     e.24
         22     e1.3      e2.0     e1.7     e1.8     e1.9     e6.0     e4.2      3.2     1.1       .51      .39     e.23
         23     e1.3      e2.0     e1.8     e1.9     e1.9     e5.8     e4.0      3.3      .83      .52      .34     e.22
         24     e1.4      e2.0     e1.9     e1.9     e1.9     e5.8     e4.5      3.3      .78      .52      .33     e.21
         25     e1.4      e2.0     e2.0     e1.9     e2.0     e5.5     e4.3      2.9      .67      .50      .30     e.20

         26     e1.4      e2.0     e2.1     e1.9     e2.0     e5.4     e4.0      2.6      .59      .54      .31     e.20
         27     e1.4      e2.0     e2.1     e1.9     e3.0     e5.3     e3.8      2.8      .72      .56      .27     e.20
         28     e1.4      e1.9     e2.2     e1.9     e3.5     e5.2     e3.7      2.5      .67      .62      .36     e.18
         29     e1.4      e1.8     e2.2     e1.9     e4.0     e5.0     e3.7      2.4      .61      .65      .39     e.18
         30     e1.4       1.8     e2.1     e1.9      ---     e5.0     e3.6      2.1      .57      .65     e.35     e.18
         31     e1.4       ---     e2.0     e2.0      ---     e5.0      ---      2.2      ---      .68     e.35      ---

        TOTAL   33.30     54.5     57.8     56.2     56.5    201.1    122.7    188.0    60.04    17.05    15.68    11.58
        MEAN     1.07     1.82     1.86     1.81     1.95     6.49     4.09     6.06     2.00      .55      .51      .39
        MAX       1.4      2.0      2.2      2.0      4.0       15      4.7       20      5.1      .92      .78      1.0
        MIN       .05      1.4      1.6      1.6      1.4      4.0      3.6      2.1      .57      .31      .27      .16
        AC-FT      66      108      115      111      112      399      243      373      119       34       31       23

        STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1991 - 2000, BY WATER YEAR (WY)

        MEAN     1.26     1.67     1.23      .67     1.44     73.5     23.1     7.00     4.65     2.54     1.07      .62
        MAX      4.15     2.72     2.01     1.81     5.40      279     68.3     21.8     18.3     18.5     5.68     4.49
        (WY)     1995     1999     1999     2000     1992     1999     1996     1999     1994     1993     1993     1991
        MIN      .000      .16      .28     .000     .001     6.49     4.09      .80     .040     .009     .000     .000
        (WY)     1993     1993     1997     1993     1993     2000     2000     1992     1992     1992     1994     1995

        SUMMARY STATISTICS           FOR 1999 CALENDAR YEAR        FOR 2000 WATER YEAR           WATER YEARS 1991 - 2000

        ANNUAL TOTAL                       10802.91                     874.45
        ANNUAL MEAN                           29.6                        2.39                       9.97
        HIGHEST ANNUAL MEAN                                                                         29.8            1999
        LOWEST ANNUAL MEAN                                                                           2.04           1992
        HIGHEST DAILY MEAN                  1020     Mar 26              20     May 13            1100       Mar 27 1997
        LOWEST DAILY MEAN                       .05  Jul 29                .05  Oct  1                .00    Jul 27 1991
        ANNUAL SEVEN-DAY MINIMUM                .05  Sep  7                .19  Sep 24                .00    Jul 27 1991
        INSTANTANEOUS PEAK FLOW                                          22     May 13          a 1300       Mar 27 1997
        INSTANTANEOUS PEAK STAGE                                          6.70  May 13            b 13.26    Mar 13 1996
        ANNUAL RUNOFF (AC-FT)              21430                       1730                       7230
        10 PERCENT EXCEEDS                    31                          5.0                       12
        50 PERCENT EXCEEDS                     1.4                        1.8                         .85
        90 PERCENT EXCEEDS                      .06                        .39                        .00

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

PERIOD OF RECORD.--Water year 1991 to current year.

                                 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
       02...     1300    1.4       707       --     10.3      8.5      8.5     2460       --     14.0      5.9      500
      DEC
       16...     1240    1.8        --       --       --       --       --       --       --      5.0       .0       --
      FEB
       23...     1320    1.9        --       --       --       --       --       --       --      7.0       --       --
      APR
       04...     1615    4.4       703       --     11.7      8.8      8.5     1640       --     23.0      9.9      330
      JUN
       08...     0830    1.8       706       --      5.5      8.5      8.3     2340       --     25.0     20.6      520
      JUL
       12...     1030     .37       --       --      9.7      8.2      8.5     2280     2240     20.0     20.0      470
      AUG
       30...     1445     .33      702      138     11.4      8.6      8.9     2270     2180     18.5     20.4      390
      SEP
       26...     1200     .10      711      100      9.7       --      8.8     2210     2190     23.0     13.3      410


                                                                       ANC                                         NITRO-
                         MAGNE-   POTAS-   SODIUM                    UNFLTRD   CHLO-    FLUO-   SILICA,             GEN,
               CALCIUM    SIUM,    SIUM,     AD-   SODIUM,           TIT 4.5   RIDE,    RIDE,    DIS-    SULFATE  AMMONIA
                DIS-      DIS-     DIS-    SORP-    DIS-               LAB     DIS-      DIS-    SOLVED   DIS-      DIS-
                SOLVED   SOLVED   SOLVED    TION   SOLVED             (MG/L    SOLVED   SOLVED   (MG/L    SOLVED   SOLVED
       DATE     (MG/L    (MG/L    (MG/L    RATIO    (MG/L    SODIUM    AS      (MG/L    (MG/L     AS      (MG/L    (MG/L
                AS CA)   AS MG)   AS K)             AS NA)  PERCENT   CACO3)   AS CL)   AS F)    SIO2)   AS SO4)   AS N)
               (00915)  (00925)  (00935)  (00931)  (00930)  (00932)  (90410)  (00940)  (00950)  (00955)  (00945)  (00608)

      NOV
       02...    58.7     85.8     10.9       8       386      62       600     13.4       .6      3.7      752     <.020
      DEC
       16...      --       --       --       --       --       --       --       --       --       --       --       --
      FEB
       23...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       04...    47.6     50.3      7.7       6       232      60       396      9.2       .5       .2      470     3.32
      JUN
       08...    71.5     82.6      9.9       7       380      61       618     13.6       .6     10.9      698      .025
      JUL
       12...    55.2     80.3      9.8       8       389      64       586     11.2       .4      4.5      685     <.020
      AUG
       30...    30.8     76.5     10.4       9       406      69       587     11.5       .5      4.5      671      .098
      SEP
       26...    32.3     80.9      9.1       9       409      68       562     11.0       .5      6.2      648      .118


                NITRO-   NITRO-   NITRO-   PHOS-            SOLIDS,  SOLIDS,
                 GEN,     GEN,     GEN,   PHORUS   SOLIDS,  RESIDUE  SUM OF
               NITRITE  NITRATE  NO2+NO3   ORTHO,    DIS-   AT 180   CONSTI-  ARSENIC   BORON,   IRON,    LEAD,   LITHIUM
                 DIS-     DIS-     DIS-    DIS-     SOLVED   DEG. C  TUENTS,    DIS-     DIS-     DIS-     DIS-     DIS-
                SOLVED   SOLVED   SOLVED  SOLVED    (TONS     DIS-     DIS-    SOLVED   SOLVED   SOLVED   SOLVED   SOLVED
       DATE     (MG/L    (MG/L    (MG/L   (MG/L      PER     SOLVED   SOLVED   (UG/L    (UG/L    (UG/L    (UG/L    (UG/L
                AS N)    AS N)    AS N)   AS P)      DAY)    (MG/L)   (MG/L)   AS AS)   AS B)    AS FE)   AS PB)   AS LI)
               (00613)  (00618)  (00631)  (00671)  (70302)  (70300)  (70301)  (01000)  (01020)  (01046)  (01049)  (01130)

      NOV
       02...     .010     .367     .377    <.010     6.42    1740     1670      2.8      608      E20      E1      106
      DEC
       16...      --       --       --       --       --       --       --       --       --       --       --       --
      FEB
       23...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       04...    <.010      --     <.050     .364    13.4     1120     1060      2.3      334       20      <1       63.4
      JUN
       08...    <.010      --      .221     .010     8.14    1700     1640      6.6      565      <30      <1       95.4
      JUL
       12...    <.010      --      .119    <.010     1.62    1650     1590      6.7      607      <30      <1       95.0
      AUG
       30...    <.010      --      .103    <.010     1.40    1570     1570      7.7      671       50      <1       99.1
      SEP
       26...     .031     .980    1.01     <.010      .42    1550     1540      6.5      627       30      <1       96.9


                                                             ACIFL-                     ALDI-    ALDI-   ALDICA-
                MANGA-            MOLYB-   SELE-    STRON-  UORFEN    ACETO-   ALA-     CARB,    CARB    RB SUL-   ATRA-
                NESE,   MERCURY   DENUM,   NIUM,     TIUM,   WATER,   CHLOR,   CHLOR,   WATER,  SULFONE  FOXIDE,   ZINE,
                 DIS-     DIS-     DIS-     DIS-     DIS-    FLTRD,   WATER    WATER,   FLTRD,  WAT,FLT  WAT,FLT   WATER,
                SOLVED   SOLVED   SOLVED   SOLVED   SOLVED  GF 0.7U   FLTRD    DISS,   GF 0.7U  GF 0.7U  GF 0.7U   DISS,
       DATE     (UG/L    (UG/L    (UG/L    (UG/L    (UG/L     REC      REC     REC,      REC      REC      REC     REC
                AS MN)   AS HG)   AS MO)   AS SE)   AS SR)   (UG/L)   (UG/L)  (UG/L)    (UG/L)   (UG/L)   (UG/L)  (UG/L)
               (01056)  (71890)  (01060)  (01145)  (01080)  (49315)  (49260)  (46342)  (49312)  (49313)  (49314)  (39632)

      NOV
       02...      15      <.2       4      <2.4      863       --     <.002    <.002      --       --       --      .007
      DEC
       16...      --       --       --       --       --       --       --       --       --       --       --       --
      FEB
       23...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       04...      46      <.2       2      <2.4      772       --       --       --       --       --       --       --
      JUN
       08...      74      E.2       3      <2.4     1170       --       --       --       --       --       --       --
      JUL
       12...      15      <.2       2      <2.4      954      <.09      --       --      <.21     <.10     <.02      --
      AUG
       30...     189      <.2       7      E1.7      665       --       --       --       --       --       --       --
      SEP
       26...     222      <.2       7       3.1      689       --       --       --       --       --       --       --


               TRIAZIN  METHYL     BEN-    BENTA-             BRO-              CAR-     CAR-    CARBO-   CARBO-  
               SCREEN    AZIN-    FLUR-     ZON,    BRO-    MOXYNIL   BUTYL-   BARYL,   BARYL    FURAN,   FURAN   
               (ELISA)   PHOS     ALIN     WATER,   MACIL,   WATER,   ATE,     WATER,   WATER    WATER,   WATER   CARBO-
               WAT,WH   WAT FLT  WAT FLD   FLTRD,   WATER,   FLTRD,   WATER,   FLTRD,   FLTRD    FLTRD,   FLTRD   FURAN,
               REC,AS    0.7 U    0.7 U   GF 0.7U   DISS,   GF 0.7U   DISS,   GF 0.7U   0.7 U   GF 0.7U   0.7 U   SCREEN,
       DATE    ATRAZIN  GF, REC  GF, REC    REC     REC       REC     REC       REC    GF, REC    REC    GF, REC   TOTAL
               (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)    (UG/L)  (UG/L)    (UG/L)  (UG/L)    (UG/L)  (UG/L)   (UG/L)
               (34757)  (82686)  (82673)  (38711)  (04029)  (49311)  (04028)  (49310)  (82680)  (49309)  (82674)  (99902)

      NOV
       02...     <.1     <.001    <.002      --       --       --     <.002      --     <.003      --     <.003      --
      DEC
       16...      --       --       --       --       --       --       --       --       --       --       --       --
      FEB
       23...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       04...     <.1       --       --       --       --       --       --       --       --       --       --      <.06
      JUN
       08...     <.1       --       --       --       --       --       --       --       --       --       --      <.06
      JUL
       12...     <.1       --       --      <.04     <.06     <.04      --      <.07      --      <.29      --      <.06
      AUG
       30...     <.1       --       --       --       --       --       --       --       --       --       --      <.06
      SEP
       26...     <.1       --       --       --       --       --       --       --       --       --       --      <.06


               3HYDRXY   CHLOR-           CLOPYR-  CHLORO-                                      DACTHAL  DEETHYL
                CARBO-   AMBEN,            ALID,    THALO-   CYANA-            DCPA              MONO-    ATRA-
                FURAN    METHYL   CHLOR-   WATER,    NIL,    ZINE,   CYANA-    WATER             ACID,    ZINE,     DI-
               WAT,FLT   ESTER   PYRIFOS   FLTRD,  WAT,FLT   WATER,   ZINE,    FLTRD    P,P'    WAT,FLT   WATER,  AZINON,
               GF 0.7U   WATER     DIS-   GF 0.7U  GF 0.7U   DISS,   SCREEN,   0.7 U     DDE    GF 0.7U   DISS,     DIS-
       DATE      REC     FLTRD    SOLVED    REC      REC     REC      TOTAL   GF, REC  DISSOLV    REC     REC      SOLVED
                (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)  (UG/L)   (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)    (UG/L)
               (49308)  (61188)  (38933)  (49305)  (49306)  (04041)  (99904)  (82682)  (34653)  (49304)  (04040)  (39572)

      NOV
       02...      --       --     <.004      --       --     <.004     <.04    <.002    <.006      --     <.004    <.002
      DEC
       16...      --       --       --       --       --       --       --       --       --       --       --       --
      FEB
       23...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       04...      --       --       --       --       --       --      <.04      --       --       --       --       --
      JUN
       08...      --       --       --       --       --       --      <.04      --       --       --       --       --
      JUL
       12...     <.20     <.14      --      <.23     <.48      --      <.04      --       --      <.04      --       --
      AUG
       30...      --       --       --       --       --       --      <.04      --       --       --       --       --
      SEP
       26...      --       --       --       --       --       --      <.04      --       --       --       --       --


                        DICHLO-  DICHLOR           2,6-DI-                     DISUL-                     ETHAL-   ETHO-
               DICAMBA   BENIL,   PROP,             ETHYL            DINOSEB   FOTON   DIURON,   EPTC     FLUR-    PROP
                WATER,   WATER,   WATER,    DI-    ANILINE   DNOC     WATER,   WATER    WATER,   WATER    ALIN     WATER
                FLTRD,   FLTRD,   FLTRD,   ELDRIN  WAT FLT  WAT,FLT   FLTRD,   FLTRD    FLTRD,   FLTRD   WAT FLT   FLTRD
               GF 0.7U  GF 0.7U  GF 0.7U    DIS-    0.7 U   GF 0.7U  GF 0.7U   0.7 U   GF 0.7U   0.7 U    0.7 U    0.7 U
       DATE      REC      REC      REC     SOLVED  GF, REC    REC      REC    GF, REC    REC    GF, REC  GF, REC  GF, REC
                (UG/L)   (UG/L)   (UG/L)   (UG/L)  (UG/L)    (UG/L)   (UG/L)  (UG/L)    (UG/L)  (UG/L)   (UG/L)   (UG/L)
               (38442)  (49303)  (49302)  (39381)  (82660)  (49299)  (49301)  (82677)  (49300)  (82668)  (82663)  (82672)

      NOV
       02...      --       --       --     <.001    <.003      --       --     <.017      --     <.002    <.004    <.003
      DEC
       16...      --       --       --       --       --       --       --       --       --       --       --       --
      FEB
       23...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       04...      --       --       --       --       --       --       --       --       --       --       --       --
      JUN
       08...      --       --       --       --       --       --       --       --       --       --       --       --
      JUL
       12...     <.04     <.07     <.03      --       --      <.42     <.13      --      <.06      --       --       --
      AUG
       30...      --       --       --       --       --       --       --       --       --       --       --       --
      SEP
       26...      --       --       --       --       --       --       --       --       --       --       --       --


                 FEN-    FLUO-                                         LIN-                              METHIO-    METH-
                URON,   METURON                             LINURON   URON     MCPA,    MCPB,             CARB,    OMYL,
                WATER,   WATER,  FONOFOS   ALPHA             WATER,   WATER    WATER,   WATER,   MALA-    WATER,   WATER,
                FLTRD,   FLTRD,   WATER     BHC    LINDANE   FLTRD,   FLTRD    FLTRD,   FLTRD,   THION,   FLTRD,   FLTRD,
               GF 0.7U  GF 0.7U   DISS      DIS-    DIS-    GF 0.7U   0.7 U   GF 0.7U  GF 0.7U    DIS-   GF 0.7U  GF 0.7U
       DATE      REC      REC      REC    SOLVED   SOLVED     REC    GF, REC    REC      REC     SOLVED    REC      REC
                (UG/L)   (UG/L)  (UG/L)   (UG/L)    (UG/L)   (UG/L)  (UG/L)    (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
               (49297)  (38811)  (04095)  (34253)  (39341)  (38478)  (82666)  (38482)  (38487)  (39532)  (38501)  (49296)

      NOV
       02...      --       --     <.003    <.002    <.004      --     <.002      --       --     <.005      --       --
      DEC
       16...      --       --       --       --       --       --       --       --       --       --       --       --
      FEB
       23...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       04...      --       --       --       --       --       --       --       --       --       --       --       --
      JUN
       08...      --       --       --       --       --       --       --       --       --       --       --       --
      JUL
       12...     <.07     <.06      --       --       --      <.09      --      <.17     <.13      --      <.03     <.42
      AUG
       30...      --       --       --       --       --       --       --       --       --       --       --       --
      SEP
       26...      --       --       --       --       --       --       --       --       --       --       --       --


               METHYL                       MOL-   NAPROP-    NEB-   NORFLUR    ORY-                       PEB-    PENDI-
                PARA-             METRI-   INATE    AMIDE    URON,    AZON,    ZALIN,  OXAMYL,            ULATE    METH-
                THION    METO-    BUZIN    WATER    WATER    WATER,   WATER,   WATER,   WATER,   PARA-    WATER    ALIN
               WAT FLT  LACHLOR  SENCOR    FLTRD    FLTRD    FLTRD,   FLTRD,   FLTRD,   FLTRD,   THION,   FILTRD  WAT FLT
                0.7 U    WATER    WATER    0.7 U    0.7 U   GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U    DIS-    0.7 U    0.7 U
       DATE    GF, REC  DISSOLV  DISSOLV  GF, REC  GF, REC    REC      REC      REC      REC     SOLVED  GF, REC  GF, REC
               (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)  (UG/L)   (UG/L)
               (82667)  (39415)  (82630)  (82671)  (82684)  (49294)  (49293)  (49292)  (38866)  (39542)  (82669)  (82683)

      NOV
       02...    <.006    <.002    <.004    <.004    <.003      --       --       --       --     <.004    <.004    <.004
      DEC
       16...      --       --       --       --       --       --       --       --       --       --       --       --
      FEB
       23...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       04...      --       --       --       --       --       --       --       --       --       --       --       --
      JUN
       08...      --       --       --       --       --       --       --       --       --       --       --       --
      JUL
       12...      --       --       --       --       --      <.07     <.04     <.31     <.02      --       --       --
      AUG
       30...      --       --       --       --       --       --       --       --       --       --       --       --
      SEP
       26...      --       --       --       --       --       --       --       --       --       --       --       --


                 PER-              PIC-             PRON-              PRO-     PRO-     PRO-     PRO-
               METHRIN  PHORATE   LORAM,   PRO-     AMIDE    PROPA-   PANIL   PARGITE   PHAM,    POXUR,            SI-
                 CIS     WATER    WATER,   METON,   WATER    CHLOR,   WATER    WATER    WATER,   WATER,           MAZINE,
               WAT FLT   FLTRD    FLTRD,   WATER,   FLTRD    WATER,   FLTRD    FLTRD    FLTRD,   FLTRD,  SILVEX,   WATER,
                0.7 U    0.7 U   GF 0.7U   DISS,    0.7 U    DISS,    0.7 U    0.7 U   GF 0.7U  GF 0.7U    DIS-    DISS,
       DATE    GF, REC  GF, REC    REC     REC     GF, REC   REC     GF, REC  GF, REC    REC      REC     SOLVED   REC
               (UG/L)   (UG/L)    (UG/L)  (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (UG/L)   (UG/L)   (UG/L)  (UG/L)
               (82687)  (82664)  (49291)  (04037)  (82676)  (04024)  (82679)  (82685)  (49236)  (38538)  (39762)  (04035)

      NOV
       02...    <.005    <.002      --     E.007    <.003    <.007    <.004    <.013      --       --       --     <.005
      DEC
       16...      --       --       --       --       --       --       --       --       --       --       --       --
      FEB
       23...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       04...      --       --       --       --       --       --       --       --       --       --       --       --
      JUN
       08...      --       --       --       --       --       --       --       --       --       --       --       --
      JUL
       12...      --       --      <.09      --       --       --       --       --      <.04     <.08     <.06      --
      AUG
       30...      --       --       --       --       --       --       --       --       --       --       --       --
      SEP
       26...      --       --       --       --       --       --       --       --       --       --       --       --


                      TEBU-     TER-     TER-    THIO-    TRIAL-    TRI-     TRI-
                     THIURON   BACIL    BUFOS   BENCARB   LATE    CLOPYR,   FLUR-                      2,4-DB
                      WATER    WATER    WATER    WATER    WATER    WATER,   ALIN                       WATER,
                      FLTRD    FLTRD    FLTRD    FLTRD    FLTRD    FLTRD,  WAT FLT   2,4-D,   2,4-D    FLTRD,  2,4,5-T
                      0.7 U    0.7 U    0.7 U    0.7 U    0.7 U   GF 0.7U   0.7 U     DIS-   SCREEN,  GF 0.7U    DIS-
             DATE    GF, REC  GF, REC  GF, REC  GF, REC  GF, REC    REC    GF, REC   SOLVED   TOTAL     REC     SOLVED
                     (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)    (UG/L)  (UG/L)    (UG/L)   (UG/L)
                     (82670)  (82665)  (82675)  (82681)  (82678)  (49235)  (82661)  (39732)  (99906)  (38746)  (39742)

         NOV
           02...      <.010    <.007    <.013    <.002    <.004      --     E.002      --     <.700      --       --
         DEC
           16...        --       --       --       --       --       --       --       --       --       --       --
         FEB
           23...        --       --       --       --       --       --       --       --       --       --       --
         APR
           04...        --       --       --       --       --       --       --       --     1.00       --       --
         JUN
           08...        --       --       --       --       --       --       --       --    15.0        --       --
         JUL
           12...        --       --       --       --       --      <.25      --      <.11     .600     <.10     <.04
         AUG
           30...        --       --       --       --       --       --       --       --     2.00       --       --
         SEP
           26...        --       --       --       --       --       --       --       --     1.30       --       --

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