U.S. Geological Survey
Water Resources Data - Ohio, Water Year 97, Vol. 2 | Maumee River Basin
Water-Discharge , Water-Quality , NAWQA WQ
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                                 04193500 MAUMEE RIVER AT WATERVILLE, OHIO              
LOCATION.--Lat 41030'00", long 83042'46", Lucas County, Hydrologic Unit 04100009, on downstream side of first pier 
from left end of bridge on State Highway 64 at Waterville, 3 mi downstream from Tontogany Creek, and 20.7 mi 
upstream from mouth.
DRAINAGE AREA.--6,330 mi2.
                                              WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--November 1898 to December 1901, August 1921 to December 1935, March 1939 to current year. Miami 
and Erie Canal flow included at Waterville prior to 1930 when the canal was abandoned.
REVISED RECORDS.--WSP 894: 1930(M). WSP 1084: 1946. WSP 1387: 1900(M), 1922-23, 1933. WDR OH-68-1: 1967. WDR           
OH-70-1: Drainage area. WRD-OH-82-2: 1981.
GAGE.--Water-stage recorder with auxiliary crest-stage gage. Datum of gage is 595.71 ft above sea level.              
Nov. 19, 1898 to Dec. 31, 1901, Aug. 26, 1921, to July 31, 1930, nonrecording gage, Aug. 1, 1930, to Dec. 31, 
1935, water-stage recorder, Mar. 14, 1939, to Mar. 12, 1940, nonrecording gage at same site and datum.
REMARKS.--Records fair except for estimated record, which are poor. Satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Practically no flow at times prior to June 30, 1929, when entire river flow was being 
diverted by canal.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in March 1913 reached a stage of 19.9 ft, from information by local
   resident; estimated discharge, 180,000 ft3/s, from rating curve extended above 94,000 ft3/s.


                       DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997                   
                                                     DAILY MEAN VALUES                                                
 
 DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
   1      1180      798     8760     6870    e3300    63800     7450     1410    24500     4570      961     1100
   2      1050      658    13700     5280    e2900    53300     6030      746    50100    10600      911     1140
   3       696      728    14200     4910    e2700    38600     4660     1690    61600    10100      688     1030
   4       907      629    10600     4670     5470    29200     3810     7330    57200     6010      643     1440
   5       745      558     7580     7150    18000    21900     3670    11400    42500     4910      465     1580
 
   6       620      589     5990    13900    25700    16300     5510    11700    25800     3200      552     1020
   7       473      784     4330    12100    23000    14100     5340     9460    17000     2220      759      611
   8       373     3110     4900     8380   e15000    12500     5210     6930    12000     2700      507      597
   9       416    11200     3550    e4500   e10000    10000     4150     5380     8260    16300      459      740
  10       394    11200     4160    e2000    e7400     9450     2910     3700     5240    28500      425     1240
 
  11       363     8830     3490    e1300    e5200    11500     3280     3290     3540    22500      385     7760
  12       353     7060    14300    e1150    e3700    10900     2270     3590     3050    15700      404     8230
  13       350     5580    28400    e1000    e3000     8070     2760     2050     2480    11300      588     4260
  14       282     2970    26700     e960    e2500    19700     5190     2230     2380     6260      817     3070
  15       244     1910    20700     e900    e2100    43800     5390     2090     3000     3600     2180     2120
 
  16       349     2300    14900    e1400    e1800    38200     4260     1640     2810     1360     2210     1420
  17       273     1550    11900    e1300    e1500    26900     3230     1550     2070     1280     7100     1550
  18       389     1300    15300    e1200    e1300    19500     2440     1300     1850     1190    19800     3520
  19       317     1200   e16000    e1100     2900    13900     2540     3120     1950      954    17100     4680
  20       315     1420   e12000    e1000     7740    10800     2040    12100     1950      959    12600     7840
 
  21       432     1220    e6200    e1200    25100     8830     1930    14600     3210     1090     8260    18400
  22       434     1180    e5600    e1500    33300     7070     1830     8980     7790      922     5180    14600
  23       654     1100    e5400     9980    30200     5620     1540     5900     9060     6970     3450     9860
  24       856      988    19700    17600    22700     4640     1660     3450     6670    12700     2850     7980
  25       392     1290    30500   e14000    16500     3650     1490     9050     5960     8290     3120     5750
 
  26       506     1720    22700   e10000   e13000     5320     1220    43800     4720     6380     4790     3940
  27       702     7330    15900    e7000   e28000     5140     1080    47800     5940     4100     4750     2920
  28       629     9350    11500    e5600   e56000     5020     1370    33800     6320     3450     3450     2670
  29       458     7180     9230    e4800      ---     4750      999    22000     5730     2670     1730     2180
  30      1340     5740     8340    e4200      ---     7000     1010    21800     4200     1410     1720     1660
  31      1120      ---     7060    e3700      ---     8240      ---    15300      ---     1440     1470      ---
 
 TOTAL   17612   101472   383590   160650   370010   537700    96269   319186   388880   203635   110324   124908
 MEAN      568     3382    12370     5182    13210    17350     3209    10300    12960     6569     3559     4164
 MAX      1340    11200    30500    17600    56000    63800     7450    47800    61600    28500    19800    18400
 MIN       244      558     3490      900     1300     3650      999      746     1850      922      385      597
 CFSM      .09      .53     1.95      .82     2.09     2.74      .51     1.63     2.05     1.04      .56      .66
 IN.       .10      .60     2.25      .94     2.17     3.16      .57     1.88     2.29     1.20      .65      .73
 
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1930 - 1997, BY WATER YEAR (WY)                                 
 
 MEAN     1442     3101     5410     6862     7880    11000     9639     6035     4227     2442     1095     1127
 MAX      9041    19010    23830    34010    30000    38210    25890    29540    24030    11200     6185    10320
 (WY)     1955     1993     1967     1950     1976     1982     1957     1943     1981     1992     1958     1992
 MIN      95.5      196      177      235      424     1759      914      587      231      207      146      127
 (WY)     1964     1965     1964     1945     1934     1941     1946     1934     1988     1930     1941     1963
 
 SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1930 - 1997
 
 ANNUAL TOTAL                     2434873                    2814236                                             
 ANNUAL MEAN                         6653                       7710                       5004                  
 HIGHEST ANNUAL MEAN                                                                       9370              1950
 LOWEST ANNUAL MEAN                                                                         938              1931
 HIGHEST DAILY MEAN                 54000     Jan 20           63800     Mar  1          113000       Mar 14 1982
 LOWEST DAILY MEAN                    230     Sep 24             244     Oct 15              17       Jun 30 1988
 ANNUAL SEVEN-DAY MINIMUM             301     Sep 20             310     Oct 14              47       Jun 27 1988
 INSTANTANEOUS PEAK FLOW                                       67300     Mar  1          121000       Mar 14 1982
 INSTANTANEOUS PEAK STAGE                                         13.79  Mar  1              17.18    Mar 14 1982
 INSTANTANEOUS LOW FLOW                                          244     Oct 15              17       Jun 30 1988
 ANNUAL RUNOFF (CFSM)                   1.05                       1.22                        .79               
 ANNUAL RUNOFF (INCHES)                14.31                      16.54                      10.74               
 10 PERCENT EXCEEDS                 19700                      19700                      13900                  
 50 PERCENT EXCEEDS                  2700                       3940                       1640                  
 90 PERCENT EXCEEDS                   393                        656                        257                  

e Estimated.


                                             04193500 MAUMEE RIVER AT WATERVILLE, OHIO 
                                                       WATER-QUALITY RECORDS

PERIOD OF RECORD.--April 1950 to current year.
PERIOD OF DAILY RECORD.--
   CHLORIDE: October 1987 to September 1994.
   NITROGEN, NITRITE + NITRATE: October 1987 to September 1994.
   NITROGEN, AMMONIA + ORGANIC: October 1987 to September 1994.
   PHOSPHORUS: October 1987 to September 1994.
   SUSPENDED SEDIMENT DISCHARGE: April 1950 to September 1984. October 1987 to current year.
INSTRUMENTATION.--Refrigerated water-quality pumping sampler, operated by Heidelberg College Water Quality 
Laboratory, from October 1987 to September 1994. Sampler located at station 04193490.
REMARKS.--Sediment samples were collected by a local observer on an approximate once daily basis. Those suspended-
sediment samples are considered to be unreliable and were not used. Samples collected by Heidelberg College Water 
Quality Laboratory that were analyzed for concentration using methods for suspended solids were used instead. The 
laboratory operates a pumping sampler located upstream at the Bowling Green Water Treatment Plant. The sampler 
collects a sample every eight hours. Sediment loads were calculated using the mean-interval method (Porterfield, 
George, 1972, Computation of Fluvial-Sediment Discharge: U.S. Geological Survey, Techniques of Water-Resources 
Investigations, Book 3, Chap. C3, 66 p.). For days with unsteady concentration, discharge, or both, the day was 
subdivided into hourly intervals and the daily load was calculated by summation of hourly loads. This required 
interpolation between measured and estimated concentrations.
EXTREMES FOR PERIOD OF DAILY RECORD.--
SEDIMENT CONCENTRATIONS: Maximum daily mean, 2,240 mg/L, Mar. 26, 1954; minimum daily mean, 1 mg/L, on many days 
during 1953, 1955, 1963.
SEDIMENT LOADS: Maximum daily, 300,000 tons, Feb. 24, 1990; minimum daily, 0.26 ton, Sep. 18, 1955.
EXTREMES FOR CURRENT YEAR.--
SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,350 mg/L, Feb. 28; minimum daily mean, 7 mg/L, June 15.
SEDIMENT LOADS: Maximum daily, 204,000 tons, Feb. 28; minimum daily, 13 tons, Oct. 15.


                            WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997

                                                     DIS-              PH
                                                   CHARGE,   SPE-     WATER
                                                    INST.    CIFIC    WHOLE
                                           SAM-     CUBIC    CON-     FIELD   TEMPER-  TEMPER-
                                           PLING     FEET    DUCT-   (STAND-   ATURE    ATURE
                         DATE      TIME   METHOD,    PER     ANCE      ARD      AIR     WATER
                                           CODES*   SECOND  (US/CM)   UNITS)  (DEG C)  (DEG C)
                                          (82398)  (00061)  (00095)  (00400)  (00020)  (00010)
                     OCT
                       10...       1325        10      391      756      8.5     12.5     13.5
                       10...       1445        50      396       --       --       --       --
                     MAY
                       02...       0945        10      694      573      8.4     14.0     12.0
                       02...       1110        50      720       --       --       --       --
                       08...       0955        10     6830      580      7.8      9.0     12.0
                     AUG
                       28...       0945        10     3600      442      7.9     19.0     21.0
                       28...       1100        50     3470       --       --       --       --

                                                NITRO-   NITRO-
                                       CHLO-     GEN,   GEN,AM-                    SEDIMENT
                                       RIDE,   NO2+NO3  MONIA +   PHOS-    SEDI-   PARTICLE
                                       DIS-      DIS-   ORGANIC  PHORUS    MENT,   SIZE
                                       SOLVED   SOLVED   TOTAL    TOTAL    SUS-    <.0625MM
                              DATE     (MG/L    (MG/L    (MG/L    (MG/L    PENDED  SILTCLAY
                                       AS CL)   AS N)    AS N)    AS P)    (MG/L)  (PERCENT)
                                      (00940)  (00631)  (00625)  (00665)  (80154)  (80250)
                          OCT
                            10...       73       0.05      1.3     0.11      19       --
                            10...       77       0.10      1.5     0.13      --       --
                          MAY
                            02...       42       3.6       1.0     0.09      19     94.7
                            02...       43       3.9       1.2     0.08      --       --
                            08...       --        --        --       --      84       --
                          AUG
                            28...       22       1.8       1.0     0.19      70       --
                            28...       23       1.8       0.9     0.20      --       --


*10 - Stream cross-section sample using equal-width-increment (EWI) sampling method.
*50 - Point sample obtained from flow tank.

                  SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997            
 
                     MEAN                               MEAN                               MEAN            
          MEAN     CONCEN-  SEDIMENT         MEAN     CONCEN-  SEDIMENT         MEAN     CONCEN-  SEDIMENT 
       DISCHARGE   TRATION  DISCHARGE     DISCHARGE   TRATION  DISCHARGE     DISCHARGE   TRATION  DISCHARGE
 DAY     (CFS)     (MG/L)  (TONS/DAY)       (CFS)     (MG/L)  (TONS/DAY)       (CFS)     (MG/L)  (TONS/DAY)
 
                   OCTOBER                          NOVEMBER                          DECEMBER
 
   1        1180        32        100           798        13         28          8760       120       2910
   2        1050        33         93           658         8         15         13700       183       6960
   3         696        28         53           728         8         16         14200       263      10100
   4         907        25         62           629         9         15         10600       222       6430
   5         745        25         50           558         9         14          7580       118       2430
 
   6         620        21         35           589        11         18          5990        87       1410
   7         473        20         25           784        17         36          4330        79        921
   8         373        28         28          3110        26        258          4900        55        729
   9         416        25         28         11200        84       2610          3550        46        437
  10         394        20         22         11200       168       5120          4160        43        479
 
  11         363        20         19          8830       127       3010          3490        37        377
  12         353        23         22          7060       115       2200         14300       119       5480
  13         350        24         23          5580        77       1160         28400       674      52500
  14         282        22         16          2970        47        383         26700       622      45100
  15         244        19         13          1910        34        175         20700       400      22500
 
  16         349        23         21          2300        29        180         14900       263      10600
  17         273        23         17          1550        32        134         11900       240       7710
  18         389        21         22          1300        25         87         15300       193       7880
  19         317        21         18          1200        18         59        e16000       154       6640
  20         315        21         18          1420        15         57        e12000       204       6600
 
  21         432        18         21          1220        11         37         e6200       150       2500
  22         434        18         21          1180         9         27         e5600        97       1470
  23         654        25         45          1100         9         27         e5400        77       1130
  24         856        20         47           988        11         28         19700       152       9300
  25         392        14         15          1290        14         49         30500       413      34100
 
  26         506        19         26          1720        13         58         22700       277      17000
  27         702        21         39          7330        20        433         15900       206       8870
  28         629        19         33          9350        41       1010         11500       164       5090
  29         458        19         23          7180        70       1340          9230       136       3400
  30        1340        32        127          5740        79       1220          8340       116       2600
  31        1120        22         64           ---       ---        ---          7060       108       2050
 
 TOTAL     17612       ---       1146        101472       ---      19804        383590       ---     285703
 
                   JANUARY                          FEBRUARY                            MARCH
 
   1        6870        94       1750         e3300        19        173         63800      1110     192000
   2        5280        80       1130         e2900        23        182         53300       629      91200
   3        4910        67        890         e2700        29        211         38600       302      31500
   4        4670        57        713          5470        79       1420         29200       263      20400
   5        7150        74       1620         18000       233      11600         21900       242      14300
 
   6       13900       242       9150         25700       282      19600         16300       149       6600
   7       12100       296       9740         23000       392      24300         14100       115       4350
   8        8380       193       4400        e15000       352      14300         12500        86       2910
   9       e4500       109       1320        e10000       251       6780         10000        73       1960
  10       e2000       113        612         e7400       179       3580          9450        56       1430
 
  11       e1300        59        208         e5200       117       1640         11500        88       2750
  12       e1150        48        148         e3700        75        748         10900       108       3150
  13       e1000        34         90         e3000        52        422          8070       112       2440
  14        e960        26         68         e2500        41        278         19700       222      13400
  15        e900        19         47         e2100        35        196         43800       371      44300
 
  16       e1400        20         76         e1800        27        133         38200       261      26100
  17       e1300        18         62         e1500        24         95         26900       308      22400
  18       e1200        14         45         e1300        25         88         19500       235      12400
  19       e1100        11         32          2900        70        616         13900       180       6750
  20       e1000        10         26          7740       161       3500         10800       137       4000
 
  21       e1200         9         28         25100       365      26400          8830       105       2500
  22       e1500        34        136         33300       469      42100          7070        80       1530
  23        9980        92       2720         30200       344      28000          5620        61        930
  24       17600       204       9690         22700       265      16200          4640        56        686
  25      e14000       145       5490         16500       199       8890          3650        98        962
 
  26      e10000       101       2720        e13000       161       5650          5320        62        882
  27       e7000        66       1250        e28000       742      56100          5140        60        836
  28       e5600        44        672        e56000      1350     204000          5020        48        656
  29       e4800        35        447           ---       ---        ---          4750        52        666
  30       e4200        26        292           ---       ---        ---          7000        63       1220
  31       e3700        19        189           ---       ---        ---          8240        79       1760
 
 TOTAL    160650       ---      55761        370010       ---     477202        537700       ---     516968
 
                    APRIL                             MAY                               JUNE
 
   1        7450        79       1580          1410        38        147         24500       132       8930
   2        6030        60        978           746        23         46         50100       301      42800
   3        4660        49        609          1690        31        161         61600       215      35800
   4        3810        41        423          7330        85       1800         57200       261      40100
   5        3670        34        343         11400       105       3240         42500       212      23900
 
   6        5510        54        823         11700       139       4380         25800       178      12500
   7        5340        70       1010          9460       114       2930         17000       149       6810
   8        5210        60        841          6930        82       1540         12000       135       4360
   9        4150        50        557          5380        70       1010          8260        87       1920
  10        2910        31        241          3700        54        539          5240        66        942
 
  11        3280        31        273          3290        87        768          3540        58        548
  12        2270        32        196          3590        59        564          3050        39        325
  13        2760        30        235          2050        48        267          2480        32        212
  14        5190        47        662          2230        42        254          2380        15         93
  15        5390        36        520          2090        41        229          3000         7         57
 
  16        4260        35        407          1640        41        181          2810        27        203
  17        3230        29        249          1550        42        177          2070        20        110
  18        2440        26        173          1300        40        142          1850        19         95
  19        2540        27        182          3120        55        530          1950        19        102
  20        2040        31        169         12100        94       3240          1950        17         91
 
  21        1930        37        191         14600       193       7410          3210        21        201
  22        1830        37        183          8980       139       3410          7790        82       1950
  23        1540        47        193          5900        80       1280          9060       155       3790
  24        1660        49        219          3450        58        536          6670       212       3800
  25        1490        43        173          9050       192       7380          5960       244       3910
 
  26        1220        60        198         43800       471      57200          4720       185       2340
  27        1080        36        105         47800       358      45800          5940       151       2430
  28        1370        28        103         33800       392      34600          6320       154       2630
  29         999        26         71         22000       352      20900          5730       133       2050
  30        1010        29         79         21800       232      13600          4200        90       1030
  31         ---       ---        ---         15300       206       8590           ---       ---        ---
 
 TOTAL     96269       ---      11986        319186       ---     222851        388880       ---     204029
 
                    JULY                             AUGUST                           SEPTEMBER
 
   1        4570        91       1200           961        42        109          1100        40        120
   2       10600       181       5390           911        38         93          1140        42        130
   3       10100       339       9020           688        32         59          1030        44        120
   4        6010       216       3520           643        28         48          1440        34        134
   5        4910       155       2050           465        29         36          1580        29        123
 
   6        3200       106        924           552        32         48          1020        31         83
   7        2220        78        468           759        28         57           611        32         52
   8        2700        78        566           507        21         29           597        30         49
   9       16300       347      21400           459        19         24           740        31         62
  10       28500       643      49500           425        25         29          1240        31        108
 
  11       22500       482      28300           385        26         26          7760        89       2080
  12       15700       514      21800           404        27         30          8230        89       2000
  13       11300       391      11800           588        23         36          4260        60        691
  14        6260       237       4040           817        26         59          3070        58        476
  15        3600       140       1380          2180        40        247          2120        57        321
 
  16        1360        84        307          2210        49        290          1420        55        209
  17        1280        73        253          7100       113       3440          1550        61        259
  18        1190        73        233         19800       343      18400          3520        72        697
  19         954        73        187         17100       292      13800          4680        81       1030
  20         959        70        181         12600       177       6030          7840       138       3130
 
  21        1090        67        197          8260       110       2450         18400       237      11900
  22         922        74        183          5180        77       1090         14600       252       9890
  23        6970       135       3120          3450        58        543          9860       186       4970
  24       12700       206       7150          2850        52        399          7980       133       2870
  25        8290       124       2780          3120        52        442          5750       101       1570
 
  26        6380        94       1620          4790        70        916          3940        75        804
  27        4100        78        864          4750        66        841          2920        63        493
  28        3450        72        665          3450        60        557          2670        55        397
  29        2670        62        445          1730        49        227          2180        51        300
  30        1410        52        199          1720        48        225          1660        45        199
  31        1440        50        194          1470        43        173           ---       ---        ---
 
 TOTAL    203635       ---     179936        110324       ---      50753        124908       ---      45267
 
 YEAR    2814236              2071406                                                                      

 e  Estimated


                             04193500 MAUMEE RIVER AT WATERVILLE, OHIO 

                    National Water-Quality Assessment Program, Lake Erie-Lake St. Clair Basin Study Unit

                                            WATER-QUALITY RECORDS

The data described in the following table were collected and analyzed as part of the NAWQA (National Water-
Quality Assessment Program) project in the Lake Erie-Lake St. Clair Basin. The objectives of the NAWQA program are 
to broadly characterize the water quality of the Nation's streams and aquifers in relation to human and natural 
factors. This project is one of 60 river basin and aquifer assessment projects being implemented across the nation. 
At any one time, 15 to 20 of these projects are actively collecting data. The period of high-intensity data 
collection for the Lake Erie-Lake St. Clair Basin project is in water years 1996-98.
There are four stream sites in Ohio for which data are being reported in this publication as part of the NAWQA 
study: Auglaize River near Ft. Jennings (04186500), Maumee River at Waterville (04193500), Cuyahoga River at LTV 
Steel at Cleveland (04208504), and Grand River at Harpersfield (04211820). Three sites are reported in the 1997 
Michigan annual data report: Black River near Jeddo, MI (04159492), Clinton River at Sterling Heights, MI (04161820) 
and River Raisin near Manchester, MI (04175600). Two Sites are reported in the 1997 Indiana annual data report:   
St. Joseph River near Newville, IN (04178000), and Maumee River at New Haven, IN (04183000). One site is reported in 
the 1997 New York annual data report: Cattaraugus Creek at Gowanda, NY (04213500). 
These data also can be obtained electronically at http//oh.water.usgs.gov/nawqa.index.html.

---, no data; <, concentration or value reported is less than that indicated; E, estimated value; K, value is 
estimated from a non-ideal colony count


                               WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997

                       DIS-              PH                        BARO-            OXYGEN,   COLI-   E. COLI
                      CHARGE,   SPE-     WATER                      METRIC             DIS-    FORM,    WATER 
                       INST.    CIFIC    WHOLE                      PRES-             SOLVED   FECAL,   WHOLE 
                       CUBIC    CON-     FIELD   TEMPER-  TEMPER-    SURE   OXYGEN,   (PER-    0.7      TOTAL 
                        FEET    DUCT-   (STAND-   ATURE    ATURE     (MM      DIS-     CENT    UM-MF   UREASE 
     DATE      TIME     PER     ANCE      ARD      AIR     WATER      OF     SOLVED   SATUR-  (COLS./  (COL / 
                       SECOND  (US/CM)   UNITS)  (DEG C)  (DEG C)    HG)     (MG/L)   ATION)  100 ML)  100 ML)
                      (00061)  (00095)  (00400)  (00020)  (00010)  (00025)  (00300)  (00301)  (31625)  (31633)
 OCT     
   23...       0830    620         725      8.4      8.5     12.0      736      9.2       90      230      210
 NOV     
   20...       0830   1440         512      7.6      0.0      2.5      746     12.1       91      K38      K20
 DEC     
   04...       0815  11100         512      7.9      2.0      3.5      740     12.2       96     1800      970
   19...       0915  19000        --        8.0     -5.0      2.0      740     --       --       5200     2100
 JAN     
   15...       0920   2080         510      8.2      1.0      0.0      748     --       --       --       --  
 FEB     
   05...       0915  18800         390      7.5      1.0      0.0      751     11.7       82     1500     1300
   26...       0900  14700         405      7.8      4.0      2.0      744     11.6       86     --       K380
 MAR     
   01...       1030  65200         242      7.8     16.0      3.5      741     11.9       93     --       1800
   12...       0930  12200         514      8.2      6.0      4.0      754     12.1       92     --       --  
   26...       0900   5940         556      8.1      4.5      5.5      747     11.5       92     --       K160
 APR     
   09...       0830   4880         583      8.2     -4.0      6.0      754     10.8       88     --       --  
   17...       1030   3650         639      8.6     --        8.5      744     11.8      103     --        K40
   23...       0845   2010         587      8.7      6.5     10.5      738     12.7      119     --        K18
 MAY     
   06...       1400  13100         595      8.1     12.0     12.0      748      9.2       86     --        240
   21...       0830  16800         573      8.1      7.0     14.5      751      8.2       81     --       K730
   28...       1300  34200         333      7.7     15.5     14.5      752      9.8       97     --       1100
 JUN     
   04...       0830  59600         297      7.5     13.5     14.0      748      8.3       81     --        870
   19...       1030   1920         619      8.5     23.5     22.5      747     10.8      127     --        K28
 JUL     
   09...       0900   8660         452      7.8     16.0     21.5      747      8.4       97     --       --  
   30...       0830   1540         418      8.1     20.0     23.5      754      7.8       92     --         83
 AUG     
   13...       0815    690         490      8.3     21.0     23.0      745      7.9       93     --        K58
   26...       1300   5110         438      7.9     21.5     21.0      748      8.3       96     --       1000
 SEP     
   09...       1330    840         432      8.7     16.0     22.0      744     10.5      123     --       K120
   24...       0900   8280         327      7.6     12.0     17.0      751      7.7       81     --        320

              COLI-   E. COLI   COLI-             CLOS-                              BICAR-    CAR-     ALKA- 
              FORM,     WTR     FORM,   E. COLI  TRIDIUM   MAGNE-            POTAS-  BONATE   BONATE   LINITY 
              TOTAL,  UNFLTRD   TOTAL,    WTR    PERFRI-    SIUM,  SODIUM,    SIUM,   WATER    WATER   WAT DIS
              IMMED.   MF MOD  WTR UNF  UNFLTRD   GENS,     DIS-    DIS-      DIS-   DIS IT   DIS IT   TOT IT 
             (COLS.   . MTEC    MF, MI   MF, MI  MF-MCP,   SOLVED  SOLVED    SOLVED   FIELD    FIELD    FIELD 
     DATE      PER    (COLS./  (COLS./  (COLS./   (COL/    (MG/L    (MG/L    (MG/L   MG/L AS  MG/L AS  MG/L AS
             100 ML)  100 ML)  100 ML)  100 ML)  100 ML)   AS MG)   AS NA)   AS K)    HCO3      CO3     CACO3 
             (31501)  (90902)  (90900)  (90901)  (90915)  (00925)  (00930)  (00935)  (00453)  (00452)  (39086)
 OCT     
   23...        --       --       --       --       --     21       51         6.2       205     --        169
 NOV     
   20...        --       --       --       --       --     16       16         6.0       161     --        132
 DEC     
   04...        --       --       --       --       --     15       15         4.0       159     --        130
   19...        --       --       --       --       --     15       11         3.5       144     --        118
 JAN     
   15...        --       --       --       --       --     17       15         3.6       176     --        144
 FEB     
   05...        --       --       --       --       --     14       22         3.4       288     --        236
   26...        --       --       --       --       --     11        8.8       3.4       120     --         98
 MAR     
   01...        --       --       --       --       --      6.1      5.4       2.9        76     --         62
   12...        --       --       --       --       --     16       12         2.7       156     --        128
   26...        --       --       --       --       --     17       12         2.4       195     --        160
 APR     
   09...        --       --       --       --       --     18       15         2.8       146       31      172
   17...        --       --       --       --       --     22       21         3.0       151     --        184
   23...        --         K8     --       --       --     20       18         2.9       183        5      158
 MAY     
   06...        --       --       --       --       --     20       20         3.0       156     --        128
   21...        --        730     --       --       --     19       19         3.2       181     --        148
   28...        --        970     --       --       --      9.8      5.3       4.0       120     --         98
 JUN     
   04...        1000     1400     --       --       --      8.0      4.3       3.8        98     --         80
   19...        --       --       --       --       --     22       17         3.5       205     --        168
 JUL     
   09...        --       --       --       --         68   14       11         3.2       161     --        132
   30...        --         63    18000       40       53   13       12         3.6       154     --        126
 AUG     
   13...         130      K34     4500      K43       18   16       17         3.9       193     --        158
   26...        --       --       --       --       --     12       11         4.6       151     --        124
 SEP     
   09...        K700     K130    K1600     K110     --     16       17         4.7       122        8      113
   24...        2000      320   K11000      330       21    9.8      8.4       5.0       151     --        124

                                                 SOLIDS,   NITRO-   NITRO-   NITRO-   NITRO-   NITRO-         
                       CHLO-    FLUO-   SILICA,  RESIDUE    GEN,     GEN,     GEN,   GEN,AM-  GEN,AM-         
             SULFATE   RIDE,    RIDE,    DIS-    AT 180   NITRITE  NO2+NO3  AMMONIA  MONIA +  MONIA +   PHOS- 
              DIS-     DIS-      DIS-    SOLVED   DEG. C    DIS-     DIS-     DIS-   ORGANIC  ORGANIC  PHORUS 
              SOLVED   SOLVED   SOLVED   (MG/L     DIS-    SOLVED   SOLVED   SOLVED   TOTAL    DIS.     TOTAL 
     DATE     (MG/L    (MG/L    (MG/L     AS      SOLVED   (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L 
             AS SO4)   AS CL)   AS F)    SIO2)    (MG/L)   AS N)    AS N)    AS N)    AS N)    AS N)    AS P) 
             (00945)  (00940)  (00950)  (00955)  (70300)  (00613)  (00631)  (00608)  (00625)  (00623)  (00665)
 OCT     
   23...       95       73        0.6     0.09       400    0.02     0.5      0.04      1.1      0.5     0.11 
 NOV     
   20...       58       36        0.4     7.0        329    0.04     6.6      0.08      1.1      0.8     0.21 
 DEC     
   04...       52       36        0.3     6.7        315    0.05     6.7      0.13      2.0      0.9     0.50 
   19...       53       28        0.2     6.9        299    0.04     5.8      0.09      1.5      0.6     0.35 
 JAN     
   15...       56       34        0.2     7.5        324    0.06     6.5      0.13      1.0      0.8     0.25 
 FEB     
   05...       51       44        0.2     5.3        300    0.05     3.9      0.34      1.3      0.8     0.26 
   26...       33       23        0.2     5.8        227    0.03     6.3      0.15      1.8      1.1     0.32 
 MAR     
   01...       18       13        0.2     4.0        139    0.02     3.5      0.16      4.6      0.7     1.5  
   12...       56       28        0.3     6.2        312    0.03     6.6      0.12      1.1      0.6     0.20 
   26...       60       30        0.2     5.5        333    0.03     6.0      0.06      0.60     0.4     0.14 
 APR     
   09...       62       33        0.3     5.0        350    0.04     5.2      0.05      1.1      0.7     0.16 
   17...       82       40        0.3     2.2        400    0.02     4.6      0.02      0.79     0.4     0.07 
   23...       69       37        0.3     0.28       392    0.03     4.4     <0.02      1.1      0.5     0.10 
 MAY     
   06...       75       40        0.3     3.1        349    0.05     7.3      0.22      1.4      1.0     0.21 
   21...       66       35        0.3     2.1        360    0.05     6.2      0.10      1.9      0.7     0.37 
   28...       22       14        0.2     6.3        210    0.11     9.3      0.21      2.5      0.9     0.72 
 JUN     
   04...       19        9.8      0.2     6.4        195    0.07     7.2      0.09      2.1      0.8     0.65 
   19...       65       33        0.3     2.8        366    0.03     5.4     <0.02      1.1      0.6     0.09 
 JUL     
   09...       39       21        0.2     7.1        290    0.07     7.8      0.02      1.4      0.6     0.31 
   30...       35       19        0.3     7.6        272    0.02     3.4     <0.02      1.1      0.7     0.18 
 AUG     
   13...       56       28        0.3     4.4        287    0.02     1.3     <0.02      1.6      0.6     0.09 
   26...       38       19        0.3     7.3        258    0.03     2.0      0.03      1.1      0.6     0.22 
 SEP     
   09...       51       29        0.3     2.4        254   <0.01     0.3     <0.02      1.7      0.5     0.14 
   24...       25       15        0.3     6.9        213    0.03     2.0      0.05      1.2      0.8     0.37 
                       PHOS-                              CARBON,                                      DEETHYL
              PHOS-   PHORUS             MANGA-  CARBON,  ORGANIC            ACETO-   ALA-     ATRA-    ATRA- 
             PHORUS    ORTHO,   IRON,    NESE,   ORGANIC   SUS-     SEDI-    CHLOR,   CHLOR,   ZINE,    ZINE, 
               DIS-    DIS-      DIS-     DIS-    DIS-    PENDED    MENT,    WATER    WATER,   WATER,   WATER,
              SOLVED  SOLVED    SOLVED   SOLVED  SOLVED    TOTAL    SUS-     FLTRD    DISS,    DISS,    DISS, 
     DATE     (MG/L   (MG/L     (UG/L    (UG/L    (MG/L    (MG/L    PENDED    REC     REC,     REC      REC   
              AS P)   AS P)     AS FE)   AS MN)   AS C)    AS C)    (MG/L)   (UG/L)  (UG/L)   (UG/L)   (UG/L) 
             (00666)  (00671)  (01046)  (01056)  (00681)  (00689)  (80154)  (49260)  (46342)  (39632)  (04040)
 OCT     
   23...       0.02    <0.01       7       1.0      5.2      3.1        31   <0.002   <0.002    0.312   E0.041
 NOV     
   20...       0.13     0.13      47       4.0      8.5      1.5        40    0.022    0.049    0.310   E0.135
 DEC     
   04...       0.12     0.12      69       2.0      7.8      6.2       269    0.031    0.031    0.196   E0.037
   19...       0.09     0.09      37       3.0      6.7      3.2       176    0.025    0.022    0.187   E0.053
 JAN     
   15...       0.11     0.12      29       5.0      7.1      1.3        75    0.010    0.023    0.198   E0.084
 FEB     
   05...       0.12     0.12      33      10        5.2      3.8        95     --       --       --       --  
   26...       0.10     0.10      69       5.0      6.6      2.7       183    0.013    0.022    0.172   E0.056
 MAR     
   01...       0.07     0.10     240       9.0      6.2     10        1100    0.010    0.020    0.163   E0.056
   12...       0.04     0.06      10       4.0      5.5      1.7       134     --       --       --       --  
   26...       0.05     0.05      12       6.0      4.5      1.1        53     --       --       --       --  
 APR     
   09...       0.04     0.04      14       1.1      5.9      1.4        68     --       --       --       --  
   17...       0.01    <0.01       8      <1.0      5.4      1.8        32    0.029    0.112    0.174   E0.061
   23...       0.02    <0.01       9      <1.0      6.7      0.7        35    0.031    0.067    0.176   E0.050
 MAY     
   06...       0.05     0.04      10       2.0      7.6      2.1       133   10.6      6.70    20.2     E0.194
   21...      <0.01     0.02      10      <1.0      6.8      3.5       270    1.80     1.59     9.96    E0.406
   28...       0.11     0.12      39       2.5      7.9      6.1       409    6.68     3.33   E22.2     E1.02 
 JUN     
   04...       0.12     0.12      50       2.7      7.1      4.0       390    2.70     1.28    17.6     E0.653
   19...      <0.01    <0.01       4      <1.0      6.6      2.4        14    0.394    0.222    6.96    E0.557
 JUL     
   09...       0.10     0.09       4       1.3      6.0      3.2       169    0.194    0.183    5.60    E0.594
   30...       0.08     0.08      17      <1.0      7.3      1.0        65    0.048    0.069    1.05    E0.188
 AUG     
   13...      <0.01     0.01       7       3.0      6.4      3.3        29    0.023    0.030    1.08    E0.217
   26...       0.10     0.10      24       4.2      7.5      2.0        75     --       --       --       --  
 SEP     
   09...       0.05    <0.01       7       1.2      6.8      3.4        32    0.030    0.020    0.519   E0.120
   24...       0.17     0.15      65       3.5      7.9      2.1       138    0.026    0.030    0.337   E0.064

             METHYL     BEN-              CAR-    CARBO-                                                      
              AZIN-    FLUR-    BUTYL-   BARYL    FURAN             CYANA-   DCPA                             
              PHOS     ALIN     ATE,     WATER    WATER    CHLOR-   ZINE,    WATER              DI-      DI-  
             WAT FLT  WAT FLD   WATER,   FLTRD    FLTRD   PYRIFOS   WATER,   FLTRD    P,P'    AZINON,   ELDRIN
              0.7 U    0.7 U    DISS,    0.7 U    0.7 U     DIS-    DISS,    0.7 U     DDE      DIS-     DIS- 
     DATE    GF, REC  GF, REC   REC     GF, REC  GF, REC   SOLVED   REC     GF, REC  DISSOLV   SOLVED   SOLVED
             (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)   (UG/L)   (UG/L)    (UG/L)   (UG/L)
             (82686)  (82673)  (04028)  (82680)  (82674)  (38933)  (04041)  (82682)  (34653)  (39572)  (39381)
 OCT     
   23...      <0.001   <0.002   <0.002   <0.003   <0.003    0.017    0.086   <0.002   <0.006    0.009   <0.001
 NOV     
   20...      <0.001   <0.002   <0.002   E0.008   <0.003    0.022    0.121   <0.002   <0.006   <0.002   <0.001
 DEC     
   04...      <0.001   <0.002   <0.002   <0.003   <0.003    0.030    0.047   <0.002   <0.006    0.014   <0.001
   19...      <0.001   <0.002   <0.002   <0.003   <0.003    0.005    0.042   <0.002   <0.006   <0.002   <0.001
 JAN     
   15...      <0.001   <0.002   <0.002   <0.003   E0.004    0.005    0.057   <0.002   <0.006   <0.007   <0.001
 FEB     
   05...        --       --       --       --       --       --       --       --       --       --       --  
   26...      <0.001   <0.002   <0.002   <0.003   <0.003   E0.004    0.040   <0.002   <0.006   <0.002   <0.001
 MAR     
   01...      <0.020   <0.002   <0.002   <0.003   <0.003   <0.004    0.049   <0.002   <0.006    0.005   <0.001
   12...        --       --       --       --       --       --       --       --       --       --       --  
   26...        --       --       --       --       --       --       --       --       --       --       --  
 APR     
   09...        --       --       --       --       --       --       --       --       --       --       --  
   17...      <0.001   <0.002   <0.002   <0.003   <0.003   E0.004    0.031   E0.001   <0.006   <0.002   <0.001
   23...      <0.001   <0.002   <0.002   <0.003   <0.003   <0.004    0.058   <0.002   <0.006   E0.003   <0.001
 MAY     
   06...      <0.001   <0.002   <0.002   <0.003   <0.003   <0.004    9.97    <0.002   <0.006    0.009   <0.001
   21...      <0.001   <0.002   <0.002   <0.003   <0.003     --      4.20    E0.001   <0.006    0.006   <0.001
   28...      <0.001   E0.002    0.005   <0.003   <0.003   <0.004    9.90    E0.001   <0.006    0.022   <0.001
 JUN     
   04...      <0.001   <0.002   E0.001   E0.005   <0.003   <0.004    4.46    E0.003   <0.006    0.017   <0.001
   19...      <0.001   <0.002   <0.002   <0.003   <0.003   <0.004    1.52    <0.002   <0.006   E0.003   <0.001
 JUL     
   09...      <0.001   <0.002   <0.002   <0.003   <0.003   <0.030    0.757   <0.002   <0.006    0.006   <0.001
   30...      <0.001   <0.002   <0.002   <0.003   <0.003   <0.025    0.178   E0.001   <0.006    0.022   <0.001
 AUG     
   13...      <0.001   <0.002   <0.002   <0.003   <0.003   <0.004    0.169   <0.002   <0.006    0.006   <0.001
   26...        --       --       --       --       --       --       --       --       --       --       --  
 SEP     
   09...      <0.001   <0.002   <0.002   <0.003   <0.003   <0.004    0.096   <0.002   <0.006   E0.004   <0.001
   24...      <0.001   <0.002   <0.002   <0.003   <0.003    0.008    0.040   <0.002   <0.006    0.014   <0.001

             2,6-DI-   DISUL-            ETHAL-   ETHO-                                LIN-                   
              ETHYL    FOTON    EPTC     FLUR-    PROP                                URON                    
             ANILINE   WATER    WATER    ALIN     WATER   FONOFOS   ALPHA             WATER    MALA-    METO- 
             WAT FLT   FLTRD    FLTRD   WAT FLT   FLTRD    WATER     BHC    LINDANE   FLTRD    THION,  LACHLOR
              0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    DISS      DIS-    DIS-     0.7 U     DIS-    WATER 
     DATE    GF, REC  GF, REC  GF, REC  GF, REC  GF, REC    REC    SOLVED   SOLVED   GF, REC   SOLVED  DISSOLV
             (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)    (UG/L)  (UG/L) 
             (82660)  (82677)  (82668)  (82663)  (82672)  (04095)  (34253)  (39341)  (82666)  (39532)  (39415)
 OCT     
   23...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.182
 NOV     
   20...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.332
 DEC     
   04...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.327
   19...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.286
 JAN     
   15...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.205
 FEB     
   05...        --       --       --       --       --       --       --       --       --       --       --  
   26...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.169
 MAR     
   01...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.197
   12...        --       --       --       --       --       --       --       --       --       --       --  
   26...        --       --       --       --       --       --       --       --       --       --       --  
 APR     
   09...        --       --       --       --       --       --       --       --       --       --       --  
   17...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.207
   23...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.485
 MAY     
   06...      E0.002   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004    0.055   <0.005   11.4  
   21...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    4.98 
   28...      <0.003   <0.017   E0.002   <0.004   <0.003   <0.003   <0.002   <0.004    0.054   <0.005   19.7  
 JUN     
   04...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004    0.037   <0.005   15.8  
   19...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004    0.009   <0.005    4.62 
 JUL     
   09...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    4.51 
   30...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004    0.007   <0.005    0.887
 AUG     
   13...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.707
   26...        --       --       --       --       --       --       --       --       --       --       --  
 SEP     
   09...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.287
   24...      <0.003   <0.017   <0.002   <0.004   <0.003   <0.003   <0.002   <0.004   <0.002   <0.005    0.372

                             MOL-   NAPROP-           METHYL     PEB-    PENDI-    PER-                   
                   METRI-   INATE    AMIDE             PARA-    ULATE    METH-   METHRIN  PHORATE   PRO-  
                   BUZIN    WATER    WATER    PARA-    THION    WATER    ALIN      CIS     WATER    METON,
                  SENCOR    FLTRD    FLTRD    THION,  WAT FLT   FILTRD  WAT FLT  WAT FLT   FLTRD    WATER,
                   WATER    0.7 U    0.7 U     DIS-    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    DISS, 
          DATE    DISSOLV  GF, REC  GF, REC   SOLVED  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC   REC   
                  (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L) 
                  (82630)  (82671)  (82684)  (39542)  (82667)  (82669)  (82683)  (82687)  (82664)  (04037)
      OCT     
        23...      <0.004   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002    0.114
      NOV     
        20...       0.056   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002    0.029
      DEC     
        04...       0.052   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002    0.018
        19...       0.038   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002   E0.010
      JAN     
        15...       0.028   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002   E0.015
      FEB     
        05...        --       --       --       --       --       --       --       --       --       --  
        26...       0.030   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002   E0.008
      MAR     
        01...       0.030   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002   <0.018
        12...        --       --       --       --       --       --       --       --       --       --  
        26...        --       --       --       --       --       --       --       --       --       --  
      APR     
        09...        --       --       --       --       --       --       --       --       --       --  
        17...       0.174   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002   E0.010
        23...       0.170   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002   E0.016
      MAY     
        06...       4.92    <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002   <0.018
        21...       3.50    <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002    0.022
        28...       2.57    <0.004   <0.003   <0.004   <0.006   <0.004    0.064   <0.005   <0.002   <0.018
      JUN     
        04...       1.30    <0.004   <0.003   <0.004   <0.006   <0.004   <0.035   <0.005   <0.002    0.032
        19...       0.176   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002   <0.020
      JUL     
        09...       0.282   <0.004   <0.003   <0.004   <0.006   <0.004    0.017   <0.005   <0.002    0.058
        30...       0.077   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002    0.100
      AUG     
        13...       0.029   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002    0.072
        26...        --       --       --       --       --       --       --       --       --       --  
      SEP     
        09...       0.014   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002    0.069
        24...       0.017   <0.004   <0.003   <0.004   <0.006   <0.004   <0.004   <0.005   <0.002    0.037

                  PRON-              PRO-     PRO-             TEBU-     TER-     TER-    THIO-    TRIAL-
                   AMIDE    PROP-    PANIL   PARGITE   SI-     THIURON   BACIL    BUFOS   BENCARB   LATE  
                   WATER    CHLOR,   WATER    WATER   MAZINE,   WATER    WATER    WATER    WATER    WATER 
                   FLTRD    WATER,   FLTRD    FLTRD    WATER,   FLTRD    FLTRD    FLTRD    FLTRD    FLTRD 
                   0.7 U    DISS,    0.7 U    0.7 U    DISS,    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U 
          DATE    GF, REC   REC     GF, REC  GF, REC   REC     GF, REC  GF, 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) 
                  (82676)  (04024)  (82679)  (82685)  (04035)  (82670)  (82665)  (82675)  (82681)  (82678)
      OCT     
        23...      <0.003   <0.007   <0.004   <0.013    0.058    0.015   <0.007   <0.013   <0.002   <0.001
      NOV     
        20...      <0.003   <0.007   <0.004   <0.013    0.024   E0.023   <0.007   <0.013   <0.002   <0.001
      DEC     
        04...      <0.003   <0.007   <0.004   <0.013    0.016   <0.010   <0.007   <0.013   <0.002   <0.001
        19...      <0.003   <0.007   <0.004   <0.013    0.016    0.011   <0.007   <0.013   <0.002   <0.001
      JAN     
        15...      <0.003   <0.007   <0.004   <0.013    0.016   E0.016   <0.007   <0.013   <0.002   <0.001
      FEB     
        05...        --       --       --       --       --       --       --       --       --       --  
        26...      <0.003   <0.007   <0.004   <0.013   <0.005   <0.010   <0.007   <0.013   <0.002   <0.001
      MAR     
        01...      <0.003   <0.007   <0.004   <0.013    0.019   <0.010   <0.007   <0.013   <0.002   <0.001
        12...        --       --       --       --       --       --       --       --       --       --  
        26...        --       --       --       --       --       --       --       --       --       --  
      APR     
        09...        --       --       --       --       --       --       --       --       --       --  
        17...      <0.003   <0.007   <0.004   <0.013    0.018   E0.024   <0.007   <0.013   <0.002   <0.001
        23...      <0.003   <0.007   <0.004   <0.013    0.026    0.011   <0.007   <0.013   <0.002   <0.001
      MAY     
        06...      <0.003   <0.007   <0.004   <0.013    1.65     0.024   <0.007   <0.013   <0.002   <0.001
        21...      <0.003   <0.007   <0.004   <0.013    1.78     0.090   <0.007   <0.013   <0.002   <0.001
        28...      <0.003    0.008   <0.004   <0.013    1.99     0.023   <0.007   <0.013   <0.002   <0.001
      JUN     
        04...      <0.003   <0.007   <0.004   <0.013    1.29     0.020   <0.007   <0.013   <0.002   <0.001
        19...      <0.003   <0.007   <0.004   <0.013    0.654    0.020   <0.007   <0.013   <0.002   <0.001
      JUL     
        09...      <0.003   <0.007   <0.004   <0.013    0.265    0.037   <0.007   <0.013   <0.002   <0.001
        30...      <0.003   <0.007   <0.004   <0.013    0.077   E0.066   <0.007   <0.013   <0.002   <0.001
      AUG     
        13...      <0.003   <0.007   <0.004   <0.013    0.069    0.030   <0.007   <0.013   <0.002   <0.001
        26...        --       --       --       --       --       --       --       --       --       --  
      SEP     
        09...      <0.003   <0.007   <0.004   <0.013    0.047    0.018   <0.007   <0.013   <0.002   <0.001
        24...      <0.003   <0.007   <0.004   <0.013    0.023    0.014   <0.007   <0.013   <0.002   <0.001


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