Station list

05586100 ILLINOIS RIVER AT VALLEY CITY, IL



LOCATION.--Lat 39°42'12", long 90°38'43", in SE¼NW¼ sec.34, T.15 N., R.14 W., Scott County, Hydrologic Unit 07130011, on upstream side of Norfolk & Southern Corporation Railroad bridge at Flints Creek, 0.4 mi east of Valley City, 1.8 mi downstream from Mauvaise Terre Creek, and at mile 61.3.

DRAINAGE AREA.--26,743 mi2, does not include diversion from Lake Michigan through the Chicago Sanitary and Ship Canal, which has occurred since Jan. 17, 1900.

PERIOD OF RECORD.--Water-quality records, water years 1975 to 1993, 1996 to current year.

WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DIS-PHOXYGEN,
AGENCYAGENCYCHARGE,NUMBERSPE-WATERDIS-
COL-ANA-INST.OFCIFICWHOLESOLVED
LECTINGLYZINGCUBICSAM-TEMPER-CON-FIELDOXYGEN,(PER-
SAMPLESAMPLEGAGEFEETSTREAMPLINGATUREDUCT-(STAND-DIS-CENT
DATETIME(CODE(CODEHEIGHTPERWIDTHPOINTSWATERANCEARDSOLVEDSATUR-
NUMBER)NUMBER)(FEET)SECOND(FT)(COUNT)(DEG C)(US/CM)UNITS)(MG/L)ATION)
(00027)(00028)(00065)(00061)(00004)(00063)(00010)(00095)(00400)(00300)(00301)
OCT 1997
21...131081700800202.0066307001016.37357.89.395
NOV
18...133081700800202.478280660105.17767.712.598
DEC
16...132081700800203.2210900700102.38268.114.4105
JAN 1998
13...1450817008002010.2539300900102.07207.712.893
FEB
04...133081700800207.7727300800103.57628.012.796
MAR
10...1530817008002012.0839900800104.55988.112.396
APR
01...1600817008002018.436960010001013.65947.88.885
14...1250817008002017.835910012001013.36107.99.490
28...1220817008002014.554600010001015.26998.310.3102
MAY
12...1250817008002017.466930020001019.65748.08.694
27...1240817008002016.986130020001021.45197.55.967
JUN
09...1830817008002010.39328009001019.36887.97.481
18...1330817008002014.01498009001022.84917.56.778
23...1350817008002017.806390020001024.74917.56.072
JUL
07...1250817008002014.98504008001027.86237.85.772
07...1251817009720--     --------   ----   --   --
21...1400817008002010.12354008001030.15747.75.269
21...1401817009720--     --------   ----   --   --
AUG
04...151081700800203.0596807001027.66697.97.596
04...1511817009720--     --------   ----   --   --
12...175081700800207.20215008001028.46307.74.963
18...123081700800203.82124008001028.66217.55.369
18...1231817009720--     --------   ----   --   --
SEP
01...123081700800203.20102007601027.06597.95.468
01...1231817009720--     --------   ----   --   --
15...123081700800202.1766006801024.76857.86.478
15...1231817009720--     --------   ----   --   --


ALKA-CAR-BICAR-SOLIDS,
MAGNE-POTAS-LINITYBONATEBONATECHLO-FLUO-SILICA,RESIDUE
CALCIUMSIUM,SODIUM,SIUM,WAT DISWATERWATERRIDE,SULFATERIDE,DIS-AT 180
DIS-DIS-DIS-DIS-TOT ITDIS ITDIS ITDIS-DIS-DIS-SOLVEDDEG. C
SOLVEDSOLVEDSOLVEDSOLVEDFIELDFIELDFIELDSOLVEDSOLVEDSOLVED(MG/LDIS-
DATE(MG/L(MG/L(MG/L(MG/LMG/L ASMG/L ASMG/L AS(MG/L(MG/L(MG/LASSOLVED
AS CA)AS MG)AS NA)AS K)CACO3CO3HCO3AS CL)AS SO4)AS F)SIO2)(MG/L)
(00915)(00925)(00930)(00935)(39086)(00452)(00453)(00940)(00945)(00950)(00955)(70300)
OCT 1997
21...6325515.219202347881.513.4446
NOV
18...6627544.819602397782.455.7488
DEC
16...7330564.420002448581.415.3509
JAN 1998
13...6928383.717802177558.308.4430
FEB
04...7732403.420802547372.308.2478
MAR
10...6328232.916001955156.236.6374
APR
01...5824273.015801935246.287.4352
14...6326242.817602154554.267.1373
28...7530292.7212102395765.253.9432
MAY
12...5725193.217802173648.244.7340
27...5322153.315601902941.227.8315
JUN
09...6830283.321202594660.316.0410
18...5022153.914201732737.298.0286
23...4821133.614401762435.217.2317
JUL
07...6426213.520202463950.327.2367
07...--------   ------------     --   --
21...5826213.517602153545.296.6360
21...--------   ------------     --   --
AUG
04...6329303.521002564657.366.1371
04...--------   ------------     --   --
12...5222394.415401885361.446.1377
18...5423334.717002075158.397.2360
18...--------   ------------     --   --
SEP
01...5726384.418202225863.375.3402
01...--------   ------------     --   --
15...5425465.017202106968.494.3410
15...--------   ------------     --   --


NITRO-NITRO-NITRO-NITRO-NITRO-PHOS-CARBON,
GEN,GEN,GEN,AM-GEN,AM-GEN,PHOS-PHORUSMANGA-CARBON,ORGANIC
AMMONIANITRITEMONIA +MONIA +NO2+NO3PHOS-PHORUSORTHO,IRON,NESE,ORGANICSUS-
DIS-DIS-ORGANICORGANICDIS-PHORUSDIS-DIS-DIS-DIS-DIS-PENDED
SOLVEDSOLVEDDIS.TOTALSOLVEDTOTALSOLVEDSOLVEDSOLVEDSOLVEDSOLVEDTOTAL
DATE(MG/L(MG/L(MG/L(MG/L(MG/L(MG/L(MG/L(MG/L(UG/L(UG/L(MG/L(MG/L
AS N)AS N)AS N)AS N)AS N)AS P)AS P)AS P)AS FE)AS MN)AS C)AS C)
(00608)(00613)(00623)(00625)(00631)(00665)(00666)(00671)(01046)(01056)(00681)(00689)
OCT 1997
21....137.061.551.2  1.93.453.274.225<3.03.54.41.8  
NOV
18....187.047.62.864.05.435.395.341<3.02.54.31.6  
DEC
16...<.020.097.56.693.82.436.383.291<10   <4.04.31.7  
JAN 1998
13....137.064.461.2  7.17.437.171.22811   7.94.52.4  
FEB
04....114.037.58.785.64.236.133.148<10   5.63.81.6  
MAR
10....064.022.441.3  6.48.491.139.130<10   <4.04.54.8  
APR
01....099.056.60.926.72.241.152.148<10   <4.04.11.1  
14....046.070.411.0  6.52.297.135.107<10   <4.04.23.1  
28....030.036.35.876.08.194.068.075<10   <4.04.01.0  
MAY
12....032.085.44.655.89.121.087.082<10   <4.04.21.5  
27....046.131.45.705.27.206.138.125<10   <4.04.42.2  
JUN
09....107.076.482.0  5.09.743.110.139<10   <4.03.74.1  
18...<.020.088.501.1  6.76.437.157.148<10   <4.04.33.7  
23....034.096.461.0  6.28.299.136.125<10   <4.04.0--     
JUL
07....068.078.64.774.94.299.133.108<10   <4.03.72.0  
07...--       --       --     --     --     --       --       --       --   --   --   --     
21....021.128.463.0  3.541.35  .161.135<10   <4.03.94.4  
21...--       --       --     --     --     --       --       --       --   --   --   --     
AUG
04....039.189.45.862.46.293.196.179<10   <4.03.91.8  
04...--       --       --     --     --     --       --       --       --   --   --   --     
12....089.056.351.3  2.89.641.313.316<10   <4.04.5.50
18....064.100.43.952.19.383.242.241<10   <4.04.42.2  
18...--       --       --     --     --     --       --       --       --   --   --   --     
SEP
01....020.198.481.0  1.89.461.264.240<10   <4.05.02.4  
01...--       --       --     --     --     --       --       --       --   --   --   --     
15....155.116.57.871.79.336.237.220<10   <4.04.71.3  
15...--       --       --     --     --     --       --       --       --   --   --   --     


2,6-DI-DEETHYLACIFL-ALDI-ALDI-ALDICA-METHYL
ACETO-ALA-ETHYLATRA-ATRA-UORFENCARB,CARBRB SUL-AZIN-
CHLOR,CHLOR,ANILINEZINE,ZINE,WATER,WATER,SULFONEFOXIDE,ALPHAPHOS
WATERWATER,WAT FLTWATER,WATER,FLTRD,FLTRD,WAT,FLTWAT,FLTBHCWAT FLT
FLTRDDISS,0.7 UDISS,DISS,GF 0.7UGF 0.7UGF 0.7UGF 0.7UDIS-0.7 U
DATERECREC,GF, RECRECRECRECRECRECRECSOLVEDGF, REC
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)
(49260)(46342)(82660)(39632)(04040)(49315)(49312)(49313)(49314)(34253)(82686)
OCT 1997
21...<.0020E.003<.0030.126E.0136<.0350<.0160<.0160<.0210<.0020<.0700
NOV
18...<.0100.010<.0030.223E.0351<.0350<.550  <.100  <.0210<.0020<.0010
DEC
16...<.0020<.002<.0030.199E.0413<.0350<.550  <.100  <.0210<.0020<.0010
JAN 1998
13....0164.008<.0030.175E.0650<.0350<.550  <.100  <.0210<.0020<.0010
FEB
04....0105E.004<.0030.129E.0514<.0350<.550  <.100  <.0210<.0020<.0010
MAR
10....0068.006<.0030.099E.0446<.0350<.550  <.100  <.0210<.0020<.300  
APR
01....0908<.020E.0040.150E.0117<.0350<.550  <.100  <.0210<.0300<.100  
14....0789.012<.0030.180E.0330<.0350<.550  <.100  <.0210<.0020<.0010
28....0504.008<.0030.160E.0308<.0350<.550  <.100  <.0210<.0020<.0010
MAY
12...1.71    .044<.00304.06  E.177  <.0350<.550  <.100  <.0210<.0020<.0010
27...1.93    .064<.00307.47  E.398  --         --         --         --         <.0020<.0010
JUN
09....362  .015<.00302.86  E.192  <.0350<.550  <.100  <.0210<.0020<.0010
18...1.16    .063<.00308.18  E.828  <.0350<.550  <.100  <.0210<.0020<.0010
23....854  .055<.00306.47  E.663  .0400<.550  <.100  <.0210<.0020<.0010
JUL
07....217  .016<.00303.10  E.299  <.0350<.550  <.100  <.0210<.0020<.0010
07....130  <.050--         2.43  .440  --         --         --         --         --         --         
21....0746<.002<.00301.08  E.179  <.0350<.550  <.100  <.0210<.0020<.0010
21....0600<.050--         1.38  .430  --         --         --         --         --         --         
AUG
04....0149<.002<.0030.804E.173  <.0350<.550  <.100  <.0210<.0020<.0010
04...<.0500<.050--         .710.220  --         --         --         --         --         --         
12....0199<.002<.0030.326E.0806<.0350<.550  <.100  <.0210<.0020<.0010
18....0145<.002<.0030.281E.0722<.0350<.550  <.100  <.0210<.0020<.0010
18...<.0500<.050--         .360.140  --         --         --         --         --         --         
SEP
01....0134.007<.0030.239E.0741<.0350<.550  <.100  <.0210<.0020<.0010
01...<.0500<.050--         .290.110  --         --         --         --         --         --         
15...<.0020<.002<.0030.134E.0318<.0350<.550  <.100  <.0210<.0020<.0010
15...<.0500<.050--         .140.0500--         --         --         --         --         --         


BEN-BENTA-BRO-CAR-CAR-CARBO-CARBO-3HYDRXYCHLOR-
FLUR-ZON,BRO-MOXYNILBUTYL-BARYLBARYL,FURANFURAN,CARBO-AMBEN,
ALINWATER,MACIL,WATER,ATE,WATERWATER,WATERWATER,FURANWATER,
WAT FLDFLTRD,WATER,FLTRD,WATER,FLTRDFLTRD,FLTRDFLTRD,WAT,FLTFLTRD,
0.7 UGF 0.7UDISS,GF 0.7UDISS,0.7 UGF 0.7U0.7 UGF 0.7UGF 0.7UGF 0.7U
DATEGF, RECRECRECRECRECGF, RECRECGF, RECRECRECREC
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)
(82673)(38711)(04029)(49311)(04028)(82680)(49310)(82674)(49309)(49308)(49307)
OCT 1997
21...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.0280<.0140<.0110
NOV
18...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
DEC
16...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
JAN 1998
13...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
FEB
04...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
MAR
10...<.0020.0500<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
APR
01...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
14...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
28...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
MAY
12...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
27...<.0020--         --         --         <.0020<.0030--         <.0030--         --         --         
JUN
09...<.0020.0600<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
18...<.0020.510  <.370  <.0350<.0020<.0030<.0080E.0872<.120  <.0140<.420  
23...<.0020.400  <.0350<.0350<.0020<.0030<.0080E.0729<.120  <.0140<.420  
JUL
07...<.0020E.240  <.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<3.02    
07...--         --         --         --         --         --         --         --         --         --         --         
21...<.0020.280  <.0350<.0350<.0020<.0030<.0080<.0030<.870  <.0140<.420  
21...--         --         --         --         --         --         --         --         --         --         --         
AUG
04...<.0020.140  <.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
04...--         --         --         --         --         --         --         --         --         --         --         
12...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
18...<.0020<.0140<.230  <.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
18...--         --         --         --         --         --         --         --         --         --         --         
SEP
01...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
01...--         --         --         --         --         --         --         --         --         --         --         
15...<.0020<.0140<.0350<.0350<.0020<.0030<.0080<.0030<.120  <.0140<.420  
15...--         --         --         --         --         --         --         --         --         --         --         


CHLORO-CLOPYR-DACTHALDICHLO-DICHLOR
THALO-ALID,CYANA-MONO-DCPADICAMBABENIL,PROP,
NIL,CHLOR-WATER,ZINE,ACID,WATERDI-WATER,WATER,WATER,
WAT,FLTPYRIFOSFLTRD,WATER,WAT,FLTFLTRDP,P'AZINON,FLTRD,FLTRD,FLTRD,
GF 0.7UDIS-GF 0.7UDISS,GF 0.7U0.7 UDDEDIS-GF 0.7UGF 0.7UGF 0.7U
DATERECSOLVEDRECRECRECGF, RECDISSOLVSOLVEDRECRECREC
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)
(49306)(38933)(49305)(04041)(49304)(82682)(34653)(39572)(38442)(49303)(49302)
OCT 1997
21...<.0350<.0040<.0500.0192<.0170<.0020<.0060.015<.0350<.0200<.0320
NOV
18...<.480  <.0040<.230  .0355<.0170<.0020<.0060.034<.0350<1.20    <.0320
DEC
16...<.480  <.0040<.230  .0557<.0170<.0020<.0060.025<.0350<1.20    <.0320
JAN 1998
13...<.480  <.0040<.230  .0260<.0170<.0020<.0060.010<.0350<1.20    <.0320
FEB
04...<.480  <.0040<.230  .0311<.0170<.0020<.0060.007<.0350<1.20    <.0320
MAR
10...<.480  <.0040<.230  .0429<.0170<.0020<.0060.005<.0350<1.20    <.0320
APR
01...<.480  <.0200<.230  <.0040<.0170<.0020<.0060<.010<.0350<1.20    <.0320
14...<.480  <.0040<.230  .0512<.0170<.0020<.0060.007<.0350<1.20    <.0320
28...<.480  <.0040<.230  .0245<.0170<.0020<.0060.016<.0350<1.20    <.0320
MAY
12...<.480  <.0600<.230  1.56    <.0170<.0020<.0060.010<.0350<1.20    <.0320
27...--         <.0900--         2.31    --         <.0020<.0060.007--         --         --         
JUN
09...<.480  <.0300<.230  .853  <.0170<.0020<.0060.016<.0350<1.20    <.0320
18...<.480  <.0600<.230  1.70    <.0170<.0020<.0060<.002<.0350<1.20    <.0320
23...<.480  <.0500<.230  1.27    <.0170<.0020<.0060<.002<.0350<1.20    <.0320
JUL
07...<.480  <.0040<.230  .708  <.0170<.0020<.0060.008<.0350<1.20    <.0320
07...--         --         --         <.0500--         --         --         --       --         --         --         
21...<.480  <.0040<.230  .264  <.0170<.0020<.0060<.002<.0350<1.20    <.0320
21...--         --         --         .320  --         --         --         --       --         --         --         
AUG
04...<.480  <.0040<.230  .289  <.0170<.0020<.0060<.002<.0350<1.20    <.0320
04...--         --         --         .180  --         --         --         --       --         --         --         
12...<.480  <.0040<.230  .106  <.0170<.0020<.0060.071<.0350<1.20    <.0320
18...<.480  <.0040<.230  .0802<.0170<.0020<.0060.049<.0350<1.20    <.0320
18...--         --         --         .0500--         --         --         --       --         --         --         
SEP
01...<.480  <.0040<.230  .0501<.0170<.0020<.0060.013<.0350<1.20    <.0320
01...--         --         --         <.0500--         --         --         --       --         --         --         
15...<.480  <.0040<.230  .0194<.0170<.0020<.0060.014<.0350<1.20    <.0320
15...--         --         --         <.0500--         --         --         --       --         --         --         


DISUL-ETHAL-ETHO-FEN-FLUO-
DINOSEBFOTONDIURON,EPTCFLUR-PROPURON,METURON
DI-WATER,WATERWATER,DNOCWATERALINWATERWATER,WATER,FONOFOS
ELDRINFLTRD,FLTRDFLTRD,WAT,FLTFLTRDWAT FLTFLTRDFLTRD,FLTRD,WATER
DIS-GF 0.7U0.7 UGF 0.7UGF 0.7U0.7 U0.7 U0.7 UGF 0.7UGF 0.7UDISS
DATESOLVEDRECGF, RECRECRECGF, RECGF, RECGF, RECRECRECREC
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)
(39381)(49301)(82677)(49300)(49299)(82668)(82663)(82672)(49297)(38811)(04095)
OCT 1997
21...<.001<.0350<.0170<.0200<.0350<.0020<.0040<.0030<.0130<.0350<.0030
NOV
18...<.001<.0350<.0170<.0200<.420  <.0020<.0040<.0030<.0130<.0350<.0030
DEC
16...<.001<.0350<.0170<.0200<.420  <.0020<.0040<.0030<.0130<.0350<.0030
JAN 1998
13...<.001<.0350<.0170<.0200<.420  <.0020<.0040<.0030<.0130<.0350<.0030
FEB
04...<.001<.0350<.0170<.0200<.420  <.0020<.0040<.0030<.0130<.0350<.0030
MAR
10...<.001<.0350<.0170<.0200<.420  <.0020<.0040<.0030<.0130<.0350<.0030
APR
01...<.001<.0350<.0170<.0200<.420  <.0020<.0040<.0030<.0130<.0350<.0030
14...<.001<.0350<.0170<.0200<.420  <.0020<.0040<.0030<.0130<.0350<.0030
28...<.001<.0350<.0170<.0200<.420  <.0020<.0040<.0030<.0130<.0350<.0030
MAY
12...<.001<.0350<.0170.0600<.420  .0115<.0040<.0030<.0130<.0350<.0030
27...<.001--         <.0170--         --         .0044<.0040<.0030--         --         <.0030
JUN
09...<.001<.0350<.0170E.0300<.420  <.0020<.0040<.0030<.0130<.0350<.0030
18...<.001<.0350<.0170.0500<.420  E.0018<.0040<.0030<.0130<.0350<.0030
23...<.001<.0350<.0170<.0200<.420  <.0020<.0040<.0030<.0130<.0350<.0030
JUL
07...<.001<.0350<.0170.100  <.420  <.0020<.0040<.0030<.0130<.0350<.0030
07...--       --         --         --         --         --         --         --         --         --         --         
21...<.001<.0350<.0170.0600<.420  <.0020<.0040<.0030<.0130<.0350<.0030
21...--       --         --         --         --         --         --         --         --         --         --         
AUG
04...<.001<.0350<.0170.0800<.420  <.0020<.0040<.0030<.0130<.0350<.0030
04...--       --         --         --         --         --         --         --         --         --         --         
12...<.001<.0350<.0170.0600<.420  <.0020<.0040<.0030<.0130<.0350<.0030
18...<.001<.0350<.0170.150  <.420  <.0020<.0040<.0030<.0130<.0350<.0030
18...--       --         --         --         --         --         --         --         --         --         --         
SEP
01...<.001<.0350<.0170.0500<.420  <.0020<.0040<.0030<.0130<.0350<.0030
01...--       --         --         --         --         --         --         --         --         --         --         
15...<.001<.0350<.0170<.0200<.420  <.0020<.0040<.0030<.0130<.0350<.0030
15...--       --         --         --         --         --         --         --         --         --         --         


LIN-METHIO-METH-MOL-
URONLINURONMCPB,MCPA,CARB,OMYL,METRI-INATE
WATERWATER,MALA-WATER,WATER,WATER,WATER,METO-BUZINWATER
LINDANEFLTRDFLTRD,THION,FLTRD,FLTRD,FLTRD,FLTRD,LACHLORSENCORFLTRD
DIS-0.7 UGF 0.7UDIS-GF 0.7UGF 0.7UGF 0.7UGF 0.7UWATERWATER0.7 U
DATESOLVEDGF, RECRECSOLVEDRECRECRECRECDISSOLVDISSOLVGF, REC
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)
(39341)(82666)(38478)(39532)(38487)(38482)(38501)(49296)(39415)(82630)(82671)
OCT 1997
21...<.004<.0020<.0180<.005<.0350<.0500<.0260<.0170.043<.004<.0040
NOV
18...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.117<.004<.0040
DEC
16...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.153<.004<.0040
JAN 1998
13...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.388<.004<.0040
FEB
04...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.146<.004<.0040
MAR
10...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.104<.004<.0040
APR
01...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.185<.004<.0040
14...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.205<.004<.0040
28...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.142<.004<.0040
MAY
12...<.004<.0020<.0180<.005<.140  <.170  <.0260<13.4      3.20  <.030<.0040
27...<.004<.0020--         <.005--         --         --         --         2.35  .043<.0040
JUN
09...<.004<.0020<.0180<.005<.140  <.170  <.0260<.01701.09  .021<.0040
18...<.004<.0020<.0180.009<.140  <.170  <.0260<.01702.13  .061<.0040
23...<.004<.0020<.0180<.020<.140  <.170  <.0260<7.51    1.99  .037<.0040
JUL
07...<.004<.0020<.0180<.005<.140  <.170  <.0260<6.64    .788<.010<.0040
07...--       --         --         --       --         --         --         --         .600<.050--         
21...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.350<.004<.0040
21...--       --         --         --       --         --         --         --         .360<.050--         
AUG
04...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.140<.004<.0040
04...--       --         --         --       --         --         --         --         .100<.050--         
12...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.112<.004<.0040
18...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.084<.004<.0040
18...--       --         --         --       --         --         --         --         .070<.050--         
SEP
01...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.071<.004<.0040
01...--       --         --         --       --         --         --         --         .070<.050--         
15...<.004<.0020<.0180<.005<.140  <.170  <.0260<.0170.026<.004<.0040
15...--       --         --         --       --         --         --         --         <.050<.050--         


NAPROP-NEB-NORFLURORY-METHYLPEB-PENDI-PER-
AMIDEURON,AZON,ZALIN,OXAMYL,PARA-ULATEMETH-METHRINPHORATE
WATERWATER,WATER,WATER,WATER,PARA-THIONWATERALINCISWATER
FLTRDFLTRD,FLTRD,FLTRD,FLTRD,THION,WAT FLTFILTRDWAT FLTWAT FLTFLTRD
0.7 UGF 0.7UGF 0.7UGF 0.7UGF 0.7UDIS-0.7 U0.7 U0.7 U0.7 U0.7 U
DATEGF, RECRECRECRECRECSOLVEDGF, RECGF, RECGF, RECGF, RECGF, REC
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)
(82684)(49294)(49293)(49292)(38866)(39542)(82667)(82669)(82683)(82687)(82664)
OCT 1997
21...<.0030<.0150<.0240<.0190<.0180<.004<.0060<.0040<.0040<.0050<.0020
NOV
18...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
DEC
16...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
JAN 1998
13...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
FEB
04...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
MAR
10...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
APR
01...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0100<.0040<.0050<.0020
14...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
28...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
MAY
12...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
27...<.0030--         --         --         --         <.004<.0060<.0040.0320<.0050<.0020
JUN
09...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
18...<.0030<.0150<.0240<.790  <.0180<.004<.0060<.0040.0370<.0050<.0020
23...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0300<.0050<.0020
JUL
07...<.0030<.0150<.0240<1.13    <.0180<.004<.0060<.0040<.0040<.0050<.0020
07...--         --         --         --         --         --       --         --         --         --         --         
21...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
21...--         --         --         --         --         --       --         --         --         --         --         
AUG
04...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
04...--         --         --         --         --         --       --         --         --         --         --         
12...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
18...<.0030<.0150<.0240<.310  <.430  <.004<.0060<.0040<.0040<.0050<.0020
18...--         --         --         --         --         --       --         --         --         --         --         
SEP
01...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
01...--         --         --         --         --         --       --         --         --         --         --         
15...<.0030<.0150<.0240<.310  <.0180<.004<.0060<.0040<.0040<.0050<.0020
15...--         --         --         --         --         --       --         --         --         --         --         


PIC-PRON-PRO-PRO-PRO-PRO-TEBU-
LORAM,PRO-AMIDEPROP-PANILPARGITEPHAM,POXUR,SI-THIURON
WATER,METON,WATERCHLOR,WATERWATERWATER,WATER,MAZINE,WATER
FLTRD,WATER,FLTRDWATER,FLTRDFLTRDFLTRD,FLTRD,SILVEX,WATER,FLTRD
GF 0.7UDISS,0.7 UDISS,0.7 U0.7 UGF 0.7UGF 0.7UDIS-DISS,0.7 U
DATERECRECGF, RECRECGF, RECGF, RECRECRECSOLVEDRECGF, REC
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)
(49291)(04037)(82676)(04024)(82679)(82685)(49236)(38538)(39762)(04035)(82670)
OCT 1997
21...<.0500.0289<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0971E.0075
NOV
18...<.0500E.0152<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0106<.0100
DEC
16...<.0500.0200<.0030<.0070<.0040<.0130<.0350<.0350<.0210<.0050.0181
JAN 1998
13...<.0500E.0078<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0051E.0069
FEB
04...<.0500E.0058<.0030<.0070<.0040<.0130<.0350<.0350<.0210E.0042<.0100
MAR
10...<.0500E.0054<.0030<.0070<.0040<.0130<.0350<.0350<.0210<.0050<.0100
APR
01...<.0500<.0180<.0030<.0070<.0800<.0130<.0350<.0350<.0210<.0100<.0100
14...<.0500E.0077<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0081<.0100
28...<.0500E.0118<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0276<.0100
MAY
12...<.0500.0209<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0695.0118
27...--         .0187<.0030<.0070<.0040<.0130--         --         --         .0728.0148
JUN
09...<.0500E.0141<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0354E.0090
18...<.0500.0283<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0631.0100
23...<.0500.0304<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0393E.0091
JUL
07...<.0500.0259<.0030<.0070<.0040<.0130<10.2      <.0350<.0210.0249<.0100
07...--         <.0500--         <.0500--         --         --         --         --         <.0500--         
21...<.0500.0226<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0145<.0100
21...--         <.0500--         <.0500--         --         --         --         --         <.0500--         
AUG
04...<.0500.0220<.0030<.0070<.0040<.0130<.0350<.0350<.0210<.0100<.0100
04...--         <.0500--         <.0500--         --         --         --         --         <.0500--         
12...<.0500.0357<.0030<.0070<.0040<.0130<.0350<.0350<.0210<.0050<.0100
18...<.0500.0475<.0030<.0070<.0040<.0130<.0350<.0350<.0210<.0050<.0100
18...--         .0800--         <.0500--         --         --         --         --         <.0500--         
SEP
01...<.0500.0290<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0091.0120
01...--         <.0500--         <.0500--         --         --         --         --         <.0500--         
15...<.0500.0207<.0030<.0070<.0040<.0130<.0350<.0350<.0210.0054<.0100
15...--         <.0500--         <.0500--         --         --         --         --         <.0500--         


TER-TER-THIO-TRIAL-TRI-TRI-SED.
BACILBUFOSBENCARBLATECLOPYR,FLUR-2,4-DBSUSP.
WATERWATERWATERWATERWATER,ALINWATER,SEDI-SIEVE
FLTRDFLTRDFLTRDFLTRDFLTRD,WAT FLT2,4,5-T2,4-D,FLTRD,MENT,DIAM.
0.7 U0.7 U0.7 U0.7 UGF 0.7U0.7 UDIS-DIS-GF 0.7USUS-% FINER
DATEGF, RECGF, RECGF, RECGF, RECRECGF, RECSOLVEDSOLVEDRECPENDEDTHAN
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(MG/L).062 MM
(82665)(82675)(82681)(82678)(49235)(82661)(39742)(39732)(38746)(80154)(70331)
OCT 1997
21...<.0070<.0130<.0020<.0010<.0500<.0020<.0350<.035<.03506698
NOV
18...<.0070<.0130<.0020.0077<.250  <.0020<.0350<.150<.240  5397
DEC
16...<.0070<.0130<.0020E.0050<.250  <.0020<.0350<.150<.240  7590
JAN 1998
13...<.0070<.0130<.0020E.0027<.250  <.0020<.0350<.150<.240  23086
FEB
04...<.0070<.0130<.0020<.0010<.250  <.0020<.0350<.150<.240  9593
MAR
10...<.0070<.0130<.0020<.0010<.250  <.0020<.0350<.150<.240  30796
APR
01...<.0070<.0130<.0020<.0010<.250  <.0020<.0350<.150<.240  4490
14...<.0070<.0130<.0020<.0010<.250  <.0020<.0350<.150<.240  20497
28...<.0070<.0130<.0020<.0010<.250  <.0020<.0350.050<.240  5680
MAY
12...<.0070<.0130<.0020<.0010<.250  <.0020<.0350.360<.240  6373
27...<.0070<.0130<.0020<.0010--         <.0020--         --       --         10894
JUN
09...E.0088<.0130<.0020<.0010<.250  <.0020<.0350.350<.240  69094
18...<.0070<.0130<.0020<.0010<.250  E.0028<.0350.380<.240  25192
23...<.0070<.0130<.0020<.0010<.250  E.0017<.0350.100<.240  13094
JUL
07...<.0070<.0130<.0020<.0010<.250  <.0020<.0350E.090<.240  8384
07...--         --         --         --         --         --         --         --       --         ----
21...<.0070<.0130<.0020<.0010<.250  <.0020<.0350<.150<.240  101095
21...--         --         --         --         --         --         --         --       --         ----
AUG
04...<.0070<.0130<.0020<.0010<.250  <.0020<.0350<.150<.240  10698
04...--         --         --         --         --         --         --         --       --         ----
12...<.0070<.0130<.0020<.0010<.250  <.0020<.0350<.150<.240  31098
18...<.0070<.0130<.0020<.0010<.250  <.0020<.0350<.150<.240  12399
18...--         --         --         --         --         --         --         --       --         ----
SEP
01...<.0070<.0130<.0020<.0010<.250  <.0020<.0350<.150<.240  13099
01...--         --         --         --         --         --         --         --       --         ----
15...<.0070<.0130<.0020<.0010<.250  <.0020<.0350<.150<.240  9497
15...--         --         --         --         --         --         --         --       --         ----




Introduction

Surface-Water Data

Ground-Water Data

Precipitation Data

Biological Data