RED RIVER OF THE NORTH BASIN

                               05082625  TURTLE RIVER AT TURTLE RIVER STATE PARK NEAR ARVILLA, ND
                                          (National water-quality assessment program)

LOCATION.--Lat 4755'55", long 9730'51", in NE1/4NW1/4NW1/4 sec.1,T.l51 N., R.54 W., Grand Forks County, Hydrologic Unit
   09020307, on right bank 200 ft upstream from U.S .Highway 2, 1/4 mi upstream from Turtle River State Park, 1 mi northwest of
   Arvilla, and 65 mi above mouth.

DRAINAGE AREA.--311 mi2.


                                                    WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1992 to current year.

GAGE.--Water-stage recorder. Elevation of gage is 980 ft above sea level, from topographic map.

REMARKS.--Records good except for estimated daily discharges, which are poor. Some regulation by Larimore Dam located 4 mi
   upstream on the south branch of the Turtle River.

                          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        17       15      e13    e10       e8.5     e8.0       15       22     12        129       22       15
          2        17       14      e13    e10       e8.5     e8.0       15       22     12        115       20       15
          3        16       14      e13    e10       e8.5     e8.0       18       21     12        108       20       16
          4        17       14      e13    e10       e8.5     e8.0       18       21     12        103       19       16
          5        16       14      e12    e10       e8.5     e8.0       18       20     11        125       19       16

          6        16       14      e12    e10       e8.5     e8.5       18       20     11        120       19       16
          7        17       15      e12    e10       e8.0     e8.5       17       19     10        122       18       17
          8        17       16      e12     e9.5     e8.0     e8.5       16       20      9.6      129       17       16
          9        17       16      e12     e9.5     e8.0     e8.5       16       19      9.7      138       16       15
         10        17       15      e12     e9.5     e8.0    e10         16       19      9.3      139       15       14

         11        17       15      e12     e9.0     e8.0    e13         17       18      9.1      124       15       14
         12        16       15      e12     e9.0     e8.0    e18         17       18     11        123       15       15
         13        16       15      e12     e9.0     e8.0    e23         17       18   5000        117       14       19
         14        16       15      e11     e9.0     e8.0    e28         18       18   4790        103       15       19
         15        16       15      e11     e9.0     e8.0    e30         18       17   3620         92       14       21

         16        16       15      e11     e9.0     e8.0    e31         19       16  e2700         84       14       20
         17        16       15      e11     e9.0     e8.0    e31         19       16  e2600         78       15       20
         18        16       16      e11     e9.0     e8.0    e30         19       15  e3000         66       15       19
         19        16       18      e11     e8.5     e8.0     28         19       15   1640         57       14       20
         20        16       20      e11     e8.5     e8.0     19         18       15   1000         50       16       16

         21        16       16      e11     e8.5     e8.0     17         18       16    559         48       33       11
         22        15       15      e11     e8.5     e8.0     16         19       16    433         53       38       14
         23        15      e14      e11     e8.5     e8.0     16         19       16    398         45       31       18
         24        15      e14      e11     e8.5     e8.0     18         20       14    368         48       25       17
         25        15      e14      e11     e8.5     e8.0     19         20       14    338         36       22       15

         26        15      e14      e11     e8.5     e8.0     20         20       14    307         39       19       13
         27        15      e14      e11     e8.5     e8.0     18         21       13    260         37       18       11
         28        15      e13      e11     e8.5     e8.0     16         21       13    216         27       17       11
         29        15      e13      e10     e8.5     e8.0     15         21       13    178         25       17       10
         30        16      e13      e10     e8.5      ---     15         22       13    147         23       16       10
         31        15      ---      e10     e8.5      ---     15        ---       12      ---       23       15      ---

        TOTAL     495      446      355    281.0    235.0    520.0      549      523  27682.7     2526      583      469
        MEAN     16.0     14.9     11.5     9.06     8.10     16.8     18.3     16.9      923     81.5     18.8     15.6
        MAX        17       20       13       10      8.5       31       22       22     5000      139       38       21
        MIN        15       13       10      8.5      8.0      8.0       15       12      9.1       23       14       10
        AC-FT     982      885      704      557      466     1030     1090     1040    54910     5010     1160      930

        STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1993 - 2000, BY WATER YEAR (WY)

        MEAN     18.6     15.7     10.9     8.85     12.1      104      193     64.9      141     63.6     31.2     25.3
        MAX      70.0     32.5     15.3     13.1     32.3      250      525      192      923      168     84.4     74.7
        (WY)     1995     1995     1995     1995     1998     1995     1997     1999     2000     1997     1993     1993
        MIN      5.47     7.71     5.59     3.97     4.59     11.5     18.3     12.5     13.8     25.3     5.47     2.80
        (WY)     1993     1993     1993     1993     1993     1996     2000     1993     1993     1998     1998     1998

        SUMMARY STATISTICS           FOR 1999 CALENDAR YEAR        FOR 2000 WATER YEAR           WATER YEARS 1993 - 2000

        ANNUAL TOTAL                       24852.8                    34664.7
        ANNUAL MEAN                           68.1                       94.7                       57.4
        HIGHEST ANNUAL MEAN                                                                         94.7            2000
        LOWEST ANNUAL MEAN                                                                          30.8            1998
        HIGHEST DAILY MEAN                   838     May 12            5000     Jun 13            5000       Jun 13 2000
        LOWEST DAILY MEAN                      9.6   Jan  8               8.0   Feb  7               2.5     Sep 25 1998
        ANNUAL SEVEN-DAY MINIMUM               9.6   Jan  8               8.0   Feb  7               2.6     Sep 19 1998
        INSTANTANEOUS PEAK FLOW                                       12400     Jun 13           12400       Jun 13 2000
        INSTANTANEOUS PEAK STAGE                                       a 18.74  Jun 13            a 18.74    Jun 13 2000
        ANNUAL RUNOFF (AC-FT)              49300                      68760                      41560
        10 PERCENT EXCEEDS                   201                         60                        121
        50 PERCENT EXCEEDS                    20                         15                         15
        90 PERCENT EXCEEDS                     9.7                        8.5                        7.4

        a  From floodmark
        e  Estimated
        
        
                                                  RED RIVER OF THE NORTH BASIN

                         05082625  TURTLE RIVER AT TURTLE RIVER STATE PARK NEAR ARVILLA, ND--Continued
                                          (National water-quality assessment program)


                                                     WATER-QUALITY RECORDS

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

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

                          DIS-     DIS-    BARO-   OXYGEN,             PH       PH       SPE-
                        CHARGE,  CHARGE,   METRIC    DIS-             WATER    WATER    CIFIC    SPE-
                           IN     INST.    PRES-    SOLVED            WHOLE    WHOLE     CON-    CIFIC
                         CUBIC    CUBIC     SURE    (PER-   OXYGEN,   FIELD     LAB     DUCT-    CON-    TEMPER-  TEMPER-
                          FEET     FEET     (MM      CENT     DIS-   (STAND-  (STAND-   ANCE     DUCT-    ATURE    ATURE
       DATE      TIME     PER      PER       OF     SATUR-   SOLVED    ARD      ARD      LAB     ANCE      AIR     WATER
                         SECOND   SECOND    HG)     ATION)   (MG/L)   UNITS)   UNITS)  (US/CM)  (US/CM)  (DEG C)  (DEG C)
                        (00060)  (00061)  (00025)  (00301)  (00300)  (00400)  (00403)  (90095)  (00095)  (00020)  (00010)

      OCT
       07...     1115      --       17       --       --       --       --       --       --      956     11.5      7.0
       19...     0840    16         --      730       92     11.1      8.5      8.2      940      945      1.0      5.5
      NOV
       09...     1015    16         --      750      110     12.5       --      8.1      923      948      5.0      9.0
       18...     1355      --       15       --       --       --       --       --       --      947      3.5      2.0
      DEC
       07...     1015      --       12      741      115     15.9       --      8.1      965     1010      1.0      1.0
      JAN
       11...     1030     9.0       --      741       --       --      8.2       --      891      950       --       .0
      FEB
       08...     1100     8.0       --      737       77     10.9      8.0      7.8      900      925      7.0       .0
      MAR
       09...     1010      --        8.6     --       --       --       --       --       --      560     -4.0       .5
       16...     1040    31         --      740      106     13.4       --      7.9     1110     1130      1.0      4.0
       29...     1415      --       15       --       --       --       --       --       --      922      9.0      7.5
      APR
       18...     1000    19         --      730      119     13.8      8.5      8.2      837      830      9.5      7.0
      MAY
       01...     1030    22         --      740      104     11.0      8.2       --       --      940     10.0     11.5
       16...     0920    16         --      735       97     10.0      8.3      8.1      992      978     13.0     12.0
       30...     0940    13         --      742       92      8.9      8.2       --       --      896       --     15.5
      JUN
       12...     1020    11         --      735       96      8.8      8.2       --      838      759     16.0     17.5
       13...     1605      --    12200       --       --       --      8.1       --      282      283       --       --
       26...     1125      --      313       --       --       --      8.2       --       --      869     17.0     18.0
      JUL
       12...     1015      --      116      735      100      8.6      8.0      8.0     1170     1130     20.5     21.0
       24...     0920    48         --      738       92      7.9      7.9       --       --     1160     19.0     21.0
      AUG
       10...     1020    15         --      735       93      7.9      8.1      8.2     1030     1030     20.0     21.0
       31...     0930    15         --      734       --      8.0      7.8       --       --      947       --       --


                                                                               ALKA-   BICAR-    CAR-
                HARD-             MAGNE-   POTAS-   SODIUM                    LINITY   BONATE   BONATE    CHLO-    FLUO-
                NESS    CALCIUM    SIUM,    SIUM,     AD-   SODIUM,           WAT DIS   WATER    WATER    RIDE,    RIDE,
                TOTAL    DIS-      DIS-     DIS-    SORP-    DIS-             TOT IT   DIS IT   DIS IT    DIS-      DIS-
                (MG/L    SOLVED   SOLVED   SOLVED    TION   SOLVED             FIELD    FIELD    FIELD    SOLVED   SOLVED
       DATE      AS      (MG/L    (MG/L    (MG/L    RATIO    (MG/L    SODIUM  MG/L AS  MG/L AS  MG/L AS   (MG/L    (MG/L
                CACO3)   AS CA)   AS MG)   AS K)             AS NA)  PERCENT   CACO3    HCO3      CO3     AS CL)   AS F)
               (00900)  (00915)  (00925)  (00935)  (00931)  (00930)  (00932)  (39086)  (00453)  (00452)  (00940)  (00950)

      OCT
       07...      --       --       --       --       --       --       --       --       --       --       --       --
       19...     420     102      40.8      5.7      1       46.4      19       278      339       0      21.8       .3
      NOV
       09...     410      98.9    39.2      5.2       .9     40.7      18       280      342       0      21.9       .3
       18...      --       --       --       --       --       --       --       --       --       --       --       --
      DEC
       07...     450     114      40.0      5.0       .8     38.9      16       316      366      10      22.8       .3
      JAN
       11...     440     113      37.8      4.6       .7     34.7      15       308      376       0      20.5       .2
      FEB
       08...     410     107      34.0      4.8       .6     29.7      14       334      408       0      20.0       .3

      MAR
       09...      --       --       --       --       --       --       --       --       --       --       --       --
       16...     470     115      43.5     10.6      1       57.7      21       181      220       0      43.3       .2
       29...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       18...     360      89.0    32.4      5.7       .8     33.4      17       238      281       5      23.5       .3
      MAY
       01...      --       --       --       --       --       --       --       --       --       --       --       --
       16...     450     109      42.5      5.8      1       46.8      18       273      333       0      26.9       .3
       30...      --       --       --       --       --       --       --       --       --       --       --       --
      JUN
       12...     350      82.7    34.9      5.9       .8     33.1      17        --       --       --     22.0       .3
       13...      90      25.0     6.70     4.6       .5     11.0      20        --       --       --      6.8       .1
       26...      --       --       --       --       --       --       --       --       --       --       --       --
      JUL
       12...     450     107      43.7      7.3      2       85.1      29       271      331       0      34.3       .1
       24...      --       --       --       --       --       --       --       --       --       --       --       --
      AUG
       10...     430     105      41.5      6.7      1       59.1      23       270      329       0      21.2       .3
       31...      --       --       --       --       --       --       --       --       --       --       --       --


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

                                  NITRO-   NITRO-   NITRO-   NITRO-   NITRO-   NITRO-   NITRO-
               SILICA,           GEN,AM-  GEN,AM-    GEN,     GEN,     GEN,     GEN,     GEN,    NITRO-            NITRO-
                DIS-    SULFATE  MONIA +  MONIA +  AMMONIA  NITRITE  NITRATE  NO2+NO3  ORGANIC    GEN,    NITRO-    GEN
                SOLVED   DIS-    ORGANIC  ORGANIC    DIS-     DIS-     DIS-     DIS-     DIS-   ORGANIC    GEN,    DIS-
                (MG/L    SOLVED   DIS.     TOTAL    SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   TOTAL    TOTAL   SOLVED
       DATE      AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                SIO2)   AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)
               (00955)  (00945)  (00623)  (00625)  (00608)  (00613)  (00618)  (00631)  (00607)  (00605)  (00600)  (00602)

      OCT
       07...      --       --       --       --       --       --       --       --       --       --       --       --
       19...     9.1     214        .29      .50    <.020    <.010      --      .104      --       --       .60      .39
      NOV
       09...    12.5     205        .41      .65    <.020    <.010      --      .222      --       --       .87      .63
       18...      --       --       --       --       --       --       --       --       --       --       --       --
      DEC
       07...    20.1     202        .39      .51     .036    <.010      --      .738      .36      .48     1.3      1.1
      JAN
       11...    26.6     169        .59      .77     .263     .014     .826     .840      .33      .51     1.6      1.4
      FEB
       08...    26.0     161        .49      .71     .241    <.010      --      .823      .25      .47     1.5      1.3
      MAR
       09...      --       --       --       --       --       --       --       --       --       --       --       --
       16...    22.4     283       1.5      1.2      .216     .038    2.02     2.06      1.3      1.0      3.3      3.6
       29...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       18...    10.6     180        .36      .67     .004    <.010      --      .103      .35      .67      .77      .46
      MAY
       01...      --       --       --       --       --       --       --       --       --       --       --       --
       16...     9.3     224        .49      .63    <.020    <.010      --     <.050      --       --       --       --
       30...      --       --       --       --       --       --       --       --       --       --       --       --
      JUN
       12...    13.6     175        .63      .77     .102     .011     .101     .112      .53      .66      .88      .75
       13...     8.2      47.7      .58     4.9      .195     .038     .624     .662      .38     4.7      5.5      1.2
       26...      --       --       --       --       --       --       --       --       --       --       --       --
      JUL
       12...    26.2     313       1.1      1.2      .093     .029     .675     .704     1.0      1.1      1.9      1.8
       24...      --       --       --       --       --       --       --       --       --       --       --       --
      AUG
       10...    21.4     235        .65     1.1     <.020     .016    1.07     1.09       --       --      2.2      1.7
       31...      --       --       --       --       --       --       --       --       --       --       --       --


                         PHOS-                     SOLIDS,  SOLIDS,                                               METHYL
                PHOS-   PHORUS            SOLIDS,  RESIDUE  SUM OF             MANGA-   ACETO-   ALA-     ATRA-    AZIN-
               PHORUS    ORTHO,   PHOS-     DIS-   AT 180   CONSTI-   IRON,    NESE,    CHLOR,   CHLOR,   ZINE,    PHOS
                 DIS-    DIS-    PHORUS    SOLVED   DEG. C  TUENTS,    DIS-     DIS-    WATER    WATER,   WATER,  WAT FLT
                SOLVED  SOLVED    TOTAL    (TONS     DIS-     DIS-    SOLVED   SOLVED   FLTRD    DISS,    DISS,    0.7 U
       DATE     (MG/L   (MG/L     (MG/L     PER     SOLVED   SOLVED   (UG/L    (UG/L     REC     REC,     REC     GF, REC
                AS P)   AS P)     AS P)     DAY)    (MG/L)   (MG/L)   AS FE)   AS MN)   (UG/L)  (UG/L)   (UG/L)   (UG/L)
               (00666)  (00671)  (00665)  (70302)  (70300)  (70301)  (01046)  (01056)  (49260)  (46342)  (39632)  (82686)

      OCT
       07...      --       --       --       --       --       --       --       --       --       --       --       --
       19...     .009    <.010     .018     27.3     631      607       20      104       --       --       --       --
      NOV
       09...     .009    <.010     .039     26.0     602      592       20       82       --       --       --       --
       18...      --       --       --       --       --       --       --       --       --       --       --       --
      DEC
       07...     .013     .010     .020     21.1     636      636       10       96       --       --       --       --
      JAN
       11...     .039     .033     .069     15.0     618      596       10      174       --       --       --       --
      FEB
       08...     .040     .035     .080     12.9     597      587      E10      161       --       --       --       --
      MAR
       09...      --       --       --       --       --       --       --       --       --       --       --       --
       16...     .143     .105     .169     65.0     776      694       30      330       --       --       --       --
       29...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       18...     .011     .002     .020     28.6     558      518       10      199     <.002    <.002    E.004    <.001
      MAY
       01...      --       --       --       --       --       --       --       --     <.002    <.002     .009    <.001
       16...     .012    <.010     .040     28.8     667      628       30      242     <.002    <.002    <.001    <.001
       30...      --       --       --       --       --       --       --       --     <.002    <.002     .005    <.001
      JUN
       12...     .063     .036     .096      --      566       --       20      390     <.002    <.002     .015    <.001
       13...     .164     .132    1.27       --      165       --      110        3      .175    <.002     .540    <.001
       26...      --       --       --       --       --       --       --       --       --       --       --       --
      JUL
       12...     .288     .258     .353    264       844      784      <10      262      .016    <.002     .045    <.001
       24...      --       --       --       --       --       --       --       --     <.007    <.002     .025    <.001
      AUG
       10...     .121     .088     .181     29.8     736      657      E10      225      .006    <.002     .022    <.001
       31...      --       --       --       --       --       --       --       --     <.002    <.002     .012    <.001


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

                 BEN-              CAR-    CARBO-                                      DEETHYL                    2,6-DI-
                FLUR-    BUTYL-   BARYL    FURAN             CYANA-   DCPA              ATRA-                      ETHYL
                ALIN     ATE,     WATER    WATER    CHLOR-   ZINE,    WATER             ZINE,     DI-      DI-    ANILINE
               WAT FLD   WATER,   FLTRD    FLTRD   PYRIFOS   WATER,   FLTRD    P,P'     WATER,  AZINON,   ELDRIN  WAT FLT
                0.7 U    DISS,    0.7 U    0.7 U     DIS-    DISS,    0.7 U     DDE     DISS,     DIS-     DIS-    0.7 U
       DATE    GF, REC   REC     GF, REC  GF, REC   SOLVED   REC     GF, REC  DISSOLV   REC      SOLVED   SOLVED  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)
               (82673)  (04028)  (82680)  (82674)  (38933)  (04041)  (82682)  (34653)  (04040)  (39572)  (39381)  (82660)

      OCT
       07...      --       --       --       --       --       --       --       --       --       --       --       --
       19...      --       --       --       --       --       --       --       --       --       --       --       --
      NOV
       09...      --       --       --       --       --       --       --       --       --       --       --       --
       18...      --       --       --       --       --       --       --       --       --       --       --       --
      DEC
       07...      --       --       --       --       --       --       --       --       --       --       --       --
      JAN
       11...      --       --       --       --       --       --       --       --       --       --       --       --
      FEB
       08...      --       --       --       --       --       --       --       --       --       --       --       --
      MAR
       09...      --       --       --       --       --       --       --       --       --       --       --       --
       16...      --       --       --       --       --       --       --       --       --       --       --       --
       29...      --       --       --       --       --       --       --       --       --       --       --       --
      APR
       18...    <.002    <.002    <.003    <.003    <.004    <.004    <.002    <.006    <.002    <.002    <.001    <.003
      MAY
       01...    <.002    <.002    <.003    <.003    <.004    <.004    <.002    <.006    <.002    <.002    <.001    <.003
       16...    <.002    <.002    <.003    <.003    <.004    <.004    <.002    <.006    <.002    <.002    <.001    <.003
       30...    <.002    <.002    <.003    <.003    <.004    <.004    <.002    <.006    <.002    <.002    <.001    <.003
      JUN
       12...    E.004    <.002    <.003    E.004    <.004    <.007    <.002    E.002    E.005    <.002    <.001    <.003
       13...    <.002    <.002    <.003    <.013    <.004     .015    <.002    <.006    E.044    <.002    <.001    <.003
       26...      --       --       --       --       --       --       --       --       --       --       --       --
      JUL
       12...    <.002    <.002    <.003    <.003    <.004    <.004    <.002    <.006    E.016    <.002    <.001    <.003
       24...    <.002    <.002    <.003    <.003    <.004    <.004    <.002    <.006    E.009    <.002    <.001    <.003
      AUG
       10...    <.002    <.002    E.004    <.007    E.003     .005    E.002    <.006    E.008    <.002    <.001    <.003
       31...    <.002    <.002    <.003    <.003    <.004    <.004    <.002    <.006    E.006    <.002    <.001    <.003


                      DISUL-            ETHAL-   ETHO-                                LIN-            METHYL
                      FOTON    EPTC     FLUR-    PROP                                URON              PARA-
                      WATER    WATER    ALIN     WATER   FONOFOS   ALPHA             WATER    MALA-    THION    METO-

                      FLTRD    FLTRD   WAT FLT   FLTRD    WATER     BHC    LINDANE   FLTRD    THION,  WAT FLT  LACHLOR
                      0.7 U    0.7 U    0.7 U    0.7 U    DISS      DIS-    DIS-     0.7 U     DIS-    0.7 U    WATER
             DATE    GF, REC  GF, REC  GF, REC  GF, REC    REC    SOLVED   SOLVED   GF, REC   SOLVED  GF, REC  DISSOLV
                     (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)    (UG/L)  (UG/L)   (UG/L)
                     (82677)  (82668)  (82663)  (82672)  (04095)  (34253)  (39341)  (82666)  (39532)  (82667)  (39415)
                                                            
         OCT
           07...        --       --       --       --       --       --       --       --       --       --       --
           19...        --       --       --       --       --       --       --       --       --       --       --
         NOV
           09...        --       --       --       --       --       --       --       --       --       --       --
           18...        --       --       --       --       --       --       --       --       --       --       --
         DEC
           07...        --       --       --       --       --       --       --       --       --       --       --
         JAN
           11...        --       --       --       --       --       --       --       --       --       --       --
         FEB
           08...        --       --       --       --       --       --       --       --       --       --       --
         MAR
           09...        --       --       --       --       --       --       --       --       --       --       --
           16...        --       --       --       --       --       --       --       --       --       --       --
           29...        --       --       --       --       --       --       --       --       --       --       --
         APR
           18...      <.017    E.002    <.004    <.003    <.003    <.002    <.004    <.002    <.005    <.006    <.005
         MAY
           01...      <.017     .053    <.004    <.003    <.003    <.002    <.004    <.002    <.005    <.006    <.002
           16...      <.017     .020    <.004    <.003    <.003    <.002    <.004    <.002    <.005    <.006    <.002
           30...      <.017     .023    <.004    <.003    <.003    <.002    <.004    <.002    <.005    <.006    <.002
         JUN
           12...      <.017     .006    <.004    <.003    <.003    <.002    <.004    <.002    <.005    <.006     .005
           13...      <.017     .488     .054     .004    <.003    <.002     .009    <.002    <.005    <.006     .092
           26...        --       --       --       --       --       --       --       --       --       --       --
         JUL
           12...      <.017     .019    <.004    <.003    <.003    <.002    <.004    <.002    <.005    <.006     .009
           24...      <.017     .009    <.004    <.003    <.003    <.002    <.004    <.002    <.005    <.006     .004
         AUG
           10...      <.017     .009    <.004    <.003    <.003    <.002    <.004    <.002    <.005    <.006     .009
           31...      <.017    E.004    <.004    <.003    <.003    <.002    <.004    <.002    <.005    <.006     .004


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


                                MOL-   NAPROP-             PEB-    PENDI-    PER-                      PRON-
                      METRI-   INATE    AMIDE             ULATE    METH-   METHRIN  PHORATE   PRO-     AMIDE    PROPA-
                      BUZIN    WATER    WATER    PARA-    WATER    ALIN      CIS     WATER    METON,   WATER    CHLOR,
                     SENCOR    FLTRD    FLTRD    THION,   FILTRD  WAT FLT  WAT FLT   FLTRD    WATER,   FLTRD    WATER,
                      WATER    0.7 U    0.7 U     DIS-    0.7 U    0.7 U    0.7 U    0.7 U    DISS,    0.7 U    DISS,
             DATE    DISSOLV  GF, REC  GF, REC   SOLVED  GF, REC  GF, REC  GF, REC  GF, REC   REC     GF, REC   REC
                     (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                     (82630)  (82671)  (82684)  (39542)  (82669)  (82683)  (82687)  (82664)  (04037)  (82676)  (04024)

         OCT
           07...        --       --       --       --       --       --       --       --       --       --       --
           19...        --       --       --       --       --       --       --       --       --       --       --
         NOV
           09...        --       --       --       --       --       --       --       --       --       --       --
           18...        --       --       --       --       --       --       --       --       --       --       --
         DEC
           07...        --       --       --       --       --       --       --       --       --       --       --
         JAN
           11...        --       --       --       --       --       --       --       --       --       --       --
         FEB
           08...        --       --       --       --       --       --       --       --       --       --       --
         MAR
           09...        --       --       --       --       --       --       --       --       --       --       --
           16...        --       --       --       --       --       --       --       --       --       --       --
           29...        --       --       --       --       --       --       --       --       --       --       --
         APR
           18...      <.004    <.004    <.003    <.004    <.004    <.004    <.005    <.002    E.010    <.003    <.007
         MAY
           01...      <.004    <.004    <.003    <.004    <.004    <.004    <.005    <.002    E.007    <.003    <.007
           16...      <.004    <.004    <.003    <.004    <.004    <.004    <.005    <.002    E.010    <.003    <.007
           30...      <.004    <.004    <.003    <.004    <.004    <.004    <.005    <.002    E.011    <.003    <.007
         JUN
           12...      <.004    <.004    <.008    <.004    <.004    <.004    <.005    <.002    E.009    <.003    <.007
           13...       .060    <.004    <.003    <.004    <.004    <.015    <.005    <.002    E.004    <.003    <.007
           26...        --       --       --       --       --       --       --       --       --       --       --
         JUL
           12...      <.004    <.004    <.003    <.004    <.004    <.004    <.005    <.002    E.003    <.003    <.007
           24...      <.004    <.004    <.003    <.004    <.004    <.004    <.005    <.002    E.002    <.003    <.007
         AUG
           10...      <.004    <.004    <.003    <.004    <.004    <.004    <.005    <.002    <.018    <.003    <.007
           31...      <.004    <.004    <.003    <.004    <.004    <.004    <.005    <.002    E.003    <.003    <.007


                       PRO-     PRO-             TEBU-     TER-     TER-    THIO-    TRIAL-    TRI-             SEDI-
                      PANIL   PARGITE   SI-     THIURON   BACIL    BUFOS   BENCARB   LATE     FLUR-             MENT,
                      WATER    WATER   MAZINE,   WATER    WATER    WATER    WATER    WATER    ALIN     SEDI-     DIS-
                      FLTRD    FLTRD    WATER,   FLTRD    FLTRD    FLTRD    FLTRD    FLTRD   WAT FLT   MENT,   CHARGE,
                      0.7 U    0.7 U    DISS,    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    SUS-      SUS-
             DATE    GF, REC  GF, REC   REC     GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC   PENDED   PENDED
                     (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (MG/L)  (T/DAY)
                     (82679)  (82685)  (04035)  (82670)  (82665)  (82675)  (82681)  (82678)  (82661)  (80154)  (80155)

         OCT
           07...        --       --       --       --       --       --       --       --       --       --       --
           19...        --       --       --       --       --       --       --       --       --       17       .72
         NOV
           09...        --       --       --       --       --       --       --       --       --       40      1.7
           18...        --       --       --       --       --       --       --       --       --       --       --
         DEC
           07...        --       --       --       --       --       --       --       --       --       46      1.5
         JAN
           11...        --       --       --       --       --       --       --       --       --       --       --
         FEB
           08...        --       --       --       --       --       --       --       --       --       --       --
         MAR
           09...        --       --       --       --       --       --       --       --       --       --       --
           16...        --       --       --       --       --       --       --       --       --       --       --
           29...        --       --       --       --       --       --       --       --       --       --       --
         APR
           18...      <.004    <.013    <.005    <.010    <.007    <.013    <.002    <.001    <.002       8       .42
         MAY
           01...      <.004    <.013    <.010    <.010    <.007    <.013    <.002    <.001    <.002      --       --
           16...      <.004    <.013    <.005    <.010    <.007    <.013    <.002    <.001    E.001       4       .18
           30...      <.004    <.013    <.005    <.010    <.007    <.013    <.002    <.001    <.002      --       --
         JUN
           12...      <.004    <.013    <.007    <.010    <.007    <.013    <.002    <.001     .004      10       .29
           13...      <.004    <.013    <.005     .019    <.007    <.013    <.002     .011     .132     753  24800
           26...        --       --       --       --       --       --       --       --       --       --       --
         JUL
           12...      <.004    <.013    <.005    <.010    <.007    <.013    <.002    <.001    E.004      23      7.3
           24...      <.004    <.013    <.005    <.010    <.007    <.013    <.002    <.001    <.002      --       --
         AUG
           10...      <.004    <.013    <.005    <.010    <.10     <.013    E.003    <.001     .004       6       .26
           31...      <.004    <.013    <.005    <.010    <.007    <.013    <.002    <.001    <.002      --       --

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