Station list     Available data
ILLINOIS RIVER BASIN


05586100       ILLINOIS RIVER AT VALLEY CITY, IL



LOCATION.--Lat 39°42'12", long 90°38'43", in SE1/4NW1/4 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 years 1975 to 1993, 1996 to current year.
WATER-QUALITY
DIS- OXYGEN, PH
AGENCY AGENCY CHARGE, DIS- WATER SPE- HARD-
ANA- COL- INST. SOLVED WHOLE CIFIC NESS
LYZING LECTING CUBIC (PER- OXYGEN, FIELD CON- TEMPER- TOTAL
SAMPLE SAMPLE FEET GAGE CENT DIS- (STAND- DUCT- ATURE (MG/L
DATE TIME (CODE (CODE PER HEIGHT SATUR- SOLVED ARD ANCE WATER AS
NUMBER) NUMBER) SECOND (FEET) ATION) (MG/L) UNITS) (US/CM) (DEG C) CACO3)
(00028) (00027) (00061) (00065) (00301) (00300) (00400) (00095) (00010) (00900)
OCT 1998
15... 1410 80020 81700 6630 2.18 92 8.8 7.7 733 17.4 260
NOV
17... 1530 80020 81700 16400 4.88 99 11.4 7.7 719 8.9 280
DEC
22... 1520 80020 81700 9010 4.08 108 14.2 7.4 766 3.8 320
JAN 1999
20... 1500 80020 81700 -- 5.95 151 21.9 6.8 878 .2 340
FEB
17... 1400 80020 81700 49700 14.16 97 12.4 6.2 682 4.7 280
MAR
10... 1540 80020 81700 28400 9.03 103 13.8 8.3 748 2.9 300
APR
12... 1440 80020 81700 22100 7.35 85 8.7 7.9 753 14.3 310
MAY
19... 1450 80020 81700 59000 16.33 93 8.4 8.0 562 20.1 240
JUN
08... 1430 80020 81700 41700 12.63 85 8.7 7.9 753 14.3 270
JUL
13... 1400 80020 81700 15600 4.68 72 5.7 7.9 650 27.6 290
AUG
09... 1400 80020 81700 9010 2.86 88 6.8 7.9 694 28.4 260
SEP
07... 1450 80020 81700 7120 2.32 75 6.0 7.7 723 26.7 250

HARD- ALKA- ALKA- BICAR- CAR-
NESS MAGNE- POTAS- LINITY LINITY BONATE BONATE CHLO- FLUO-
NONCARB CALCIUM SIUM, SIUM, SODIUM, WAT DIS WAT DIS WATER WATER RIDE, RIDE,
DISSOLV DIS- DIS- DIS- DIS- FIX END TOT IT DIS IT DIS IT DIS- DIS-
FLD. AS SOLVED SOLVED SOLVED SOLVED FIELD FIELD FIELD FIELD SOLVED SOLVED
DATE CACO3 (MG/L (MG/L (MG/L (MG/L CAC03 MG/L AS MG/L AS MG/L AS (MG/L (MG/L
(MG/L) AS CA) AS MG) AS K) AS NA) (MG/L) CACO3 HCO3 CO3 AS CL) AS F)
(00904) (00915) (00925) (00935) (00930) (39036) (39086) (00453) (00452) (00940) (00950)
OCT 1998
15... 65 60 26 6.0 51 190 192 234 -- 73 .49
NOV
17... 89 63 29 4.3 41 190 188 229 -- 62 .41
DEC
22... 96 74 32 4.6 44 220 220 268 -- 65 .40
JAN 1999
20... 93 78 35 4.8 50 240 243 297 -- 73 .39
FEB
17... 86 66 27 3.2 30 200 194 224 5 60 .22
MAR
10... 91 71 30 3.1 37 210 209 254 -- 63 .29
APR
12... 110 71 32 3.2 39 200 203 237 5 68 .27
MAY
19... 68 56 24 3.1 20 170 168 199 5 35 .25
JUN
08... 92 64 26 3.7 27 180 178 211 2 47 .29
JUL
13... 79 68 29 3.4 30 210 211 257 -- 52 .34
AUG
09... 82 59 27 4.6 50 180 178 218 -- 72 .39
SEP
07... 69 57 26 5.5 54 180 182 222 -- 76 .44

NITRO- NITRO- NITRO- NITRO- NITRO- NITRO- NITRO-
SILICA, GEN, GEN,AM- GEN,AM- NITRO- GEN, GEN, GEN, NITRO- GEN,
DIS- SULFATE AMMONIA MONIA + MONIA + GEN NITRATE NO2+NO3 ORGANIC GEN, NITRO- NITRITE
SOLVED DIS- DIS- ORGANIC ORGANIC DIS- DIS- DIS- DIS- ORGANIC GEN, DIS-
(MG/L SOLVED SOLVED DIS. TOTAL 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) (00608) (00623) (00625) (00602) (00618) (00631) (00607) (00605) (00600) (00613)
OCT 1998
15... 5.8 76 .099 .54 .88 3.2 2.58 2.63 .44 .78 3.5 .051
NOV
17... 6.9 69 .168 .53 1.4   5.0 4.39 4.42 .37 1.2   5.8 .028
DEC
22... 6.2 79 .045 .58 .83 5.5 4.84 4.87 .54 .79 5.7 .029
JAN 1999
20... 6.7 90 .303 .86 .98 5.3 4.41 4.45 .56 .67 5.4 .044
FEB
17... 8.2 54 .142 .52 .88 7.9 7.31 7.40 .38 .73 8.3 .089
MAR
10... 5.1 67 .022 .45 1.2   6.4 5.89 5.93 .43 1.2   7.2 .039
APR
12... 2.9 68 .462 1.3   2.2   6.7 5.24 5.33 .86 1.8   7.6 .092
MAY
19... 5.1 46 .040 .46 1.2   7.4 6.84 6.91 .42 1.2   8.2 .072
JUN
08... 5.5 51 .040 .58 1.5   8.4 7.78 7.86 .54 1.5   9.4 .083
JUL
13... 6.8 53 <.020 .46 1.1   3.8 3.17 3.29 --      --      4.4 .122
AUG
09... 3.6 72 <.020 .35 1.1   2.1 1.53 1.72 --      --      2.8 .191
SEP
07... 3.9 78 <.020 .43 .55 2.5 1.90 2.06 --      --      2.6 .158

PHOS- SOLIDS, SOLIDS, CARBON,
PHOS- PHORUS RESIDUE SUM OF MANGA- CARBON, ORGANIC
PHORUS ORTHO, PHOS- AT 180 CONSTI- IRON, NESE, ORGANIC SUS-
DIS- DIS- PHORUS DEG. C TUENTS, DIS- DIS- DIS- PENDED 2,4,5-T 2,4-D,
SOLVED SOLVED TOTAL DIS- DIS- SOLVED SOLVED SOLVED TOTAL DIS- DIS-
DATE (MG/L (MG/L (MG/L SOLVED SOLVED (UG/L (UG/L (MG/L (MG/L SOLVED SOLVED
AS P) AS P) AS P) (MG/L) (MG/L) AS FE) AS MN) AS C) AS C) (UG/L) (UG/L)
(00666) (00671) (00665) (70300) (70301) (01046) (01056) (00681) (00689) (39742) (39732)
OCT 1998
15... .292 .234 .433 436 426 <10    8.0 4.4 2.4   <.0350 <.150
NOV
17... .338 .301 .673 443 409 <10    6.4 3.9 2.9   <.0350 <.150
DEC
22... .387 .292 .542 482 460 <10    17    3.7 3.1   --          --       
JAN 1999
20... .226 .195 .332 539 503 E6.1 47    4.3 .90 <.0350 <.150
FEB
17... .138 .120 .210 410 397 <10    7.9 3.9 1.1   <.0350 <.150
MAR
10... .141 .144 .405 462 428 E5.7 <3.0 3.7 3.0   <.0350 <.150
APR
12... .147 .131 .504 475 430 <10    <3.0 3.9 4.6   <.0350 <.150
MAY
19... .094 .072 .313 339 323 <10    <3.0 4.3 3.4   <.0350 .530
JUN
08... .155 .136 .543 374 365 <10    <3.0 4.4 >5.0   <.0350 .200
JUL
13... .193 .167 .428 397 383 <10    <3.0 5.1 3.9   <.0350 <.150
AUG
09... .244 .277 .429 423 404 <10    <3.0 5.0 2.0   <.0400 <.110
SEP
07... .273 .259 .370 430 420 <10    E2.1 4.7 1.3   <.0400 <.380

2,6-DI- 3HYDRXY ACIFL- ALDI- ALDICA- ALDI-
2,4-DB ETHYL CARBO- ACETO- UORFEN ALA- CARB RB SUL- CARB, ATRA-
WATER, ANILINE FURAN CHLOR, WATER, CHLOR, SULFONE FOXIDE, WATER, ALPHA ZINE,
FLTRD, WAT FLT WAT,FLT WATER FLTRD, WATER, WAT,FLT WAT,FLT FLTRD, BHC WATER,
GF 0.7U 0.7 U GF 0.7U FLTRD GF 0.7U DISS, GF 0.7U GF 0.7U GF 0.7U DIS- DISS,
DATE REC GF, REC REC REC REC REC, REC REC REC SOLVED REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(38746) (82660) (49308) (49260) (49315) (46342) (49313) (49314) (49312) (34253) (39632)
OCT 1998
15... <.240 <.0030 <.0140 .0292 <.0350 .017 <.100 <.0210 <.550 <.0020 .179
NOV
17... <.240 <.0030 <.0140 .0044 <.0350 <.002 <.100 <.0210 <.550 <.0020 .145
DEC
22... --        <.0030 <.0140 .0476 --          <.002 <.100 <.0210 <.550 <.0020 .200
JAN 1999
20... <.240 <.0030 <.0140 .0356 <.0350 <.002 <.100 <.110   <.550 <.0020 .136
FEB
17... <.240 <.0030 <.0140 .0186 <.0350 <.002 <.280 <.0210 <.550 <.0020 .134
MAR
10... <.240 <.0030 <.0140 .0544 <.0350 <.002 <.100 <.0210 <.550 <.0020 .160
APR
12... <.240 <.0030 <.100   .209   <.0350 .012 <.100 <.0210 <.550 <.0020 1.05  
MAY
19... <.240 <.0030 <.0140 2.01     <.0350 .082 <.100 <.0210 <.550 <.0020 5.39  
JUN
08... <.240 <.0030 <.0140 .894   <.0350 .075 <.100 <.0210 <.550 <.0020 8.90  
JUL
13... <.240 <.0030 <.0140 .0827 <.0350 <.002 <.100 <.0210 <.550 <.0020 1.37  
AUG
09... <.100 <.0030 <.110   <.0200 <.0900 <.002 <.100 <.0210 <.210 <.0020 .403
SEP
07... <.100 <.0030 <.110   <.0020 <.0900 <.002 <.100 <.0210 <.210 <.0020 .199

BEN- BENTA- BRO- CAR- CAR- CARBO- CARBO- CHLOR- CHLORO-
FLUR- ZON, BRO- MOXYNIL BUTYL- BARYL, BARYL FURAN, FURAN AMBEN, THALO-
ALIN WATER, MACIL, WATER, ATE, WATER, WATER WATER, WATER WATER, NIL,
WAT FLD FLTRD, WATER, FLTRD, WATER, FLTRD, FLTRD FLTRD, FLTRD FLTRD, WAT,FLT
0.7 U GF 0.7U DISS, GF 0.7U DISS, GF 0.7U 0.7 U GF 0.7U 0.7 U GF 0.7U GF 0.7U
DATE GF, REC REC REC REC REC REC GF, REC REC GF, REC REC REC
(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) (49310) (82680) (49309) (82674) (49307) (49306)
OCT 1998
15... <.0020 <.0140 <.0350 <.0350 <.0020 <.0080 <.0030 <.120 <.0030 <.420 <.480
NOV
17... <.0020 <.0140 <.0350 <.0350 <.0020 <.0080 <.0030 <.120 <.0030 <.420 <.480
DEC
22... <.0020 --          <.0350 --          <.0020 <.0080 <.0030 <.120 <.0030 <.420 <.480
JAN 1999
20... <.0020 <.110   <.100   <.0350 <.0020 <.0080 <.0030 <.440 <.0030 <.420 <.480
FEB
17... <.0020 <.0140 <.0350 <.0350 <.0020 <.0080 <.0030 <.120 <.0030 <.420 <.480
MAR
10... <.0020 <.0140 <.0350 <.0350 <.0020 <.0080 <.0030 <.120 <.0030 <.420 <.480
APR
12... <.0020 <.0140 <.180   <.0350 <.0020 <.0080 <.0030 <.370 <.0030 <1.23   <.480
MAY
19... <.0020 .100   <.690   <.0350 <.0020 <.0080 <.0030 <.120 E.0108 <.420 <.480
JUN
08... <.0020 .160   <.0350 <.0350 <.0020 <.0080 <.0030 <.120 <.0300 <.420 <.480
JUL
13... <.0020 .110   <.270   <.0350 <.0020 <.0080 <.0030 <.120 <.0030 <.420 <.480
AUG
09... <.0020 <.0350 <.310   <.0400 <.0020 <.0700 <.0030 <.320 <.0030 <.140 <.480
SEP
07... <.0020 <.0350 <.0600 <.0400 <.0020 <.0700 <.0030 <.380 <.0030 <.140 <.480

CLOPYR- DACTHAL DEETHYL DICHLO- DICHLOR
ALID, CYANA- MONO- DCPA ATRA- DICAMBA BENIL, PROP,
CHLOR- WATER, ZINE, ACID, WATER ZINE, DI- WATER, WATER, WATER, DI-
PYRIFOS FLTRD, WATER, WAT,FLT FLTRD WATER, AZINON, FLTRD, FLTRD, FLTRD, ELDRIN
DIS- GF 0.7U DISS, GF 0.7U 0.7 U DISS, DIS- GF 0.7U GF 0.7U GF 0.7U DIS-
DATE SOLVED REC REC REC GF, REC REC SOLVED REC REC REC SOLVED
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(38933) (49305) (04041) (49304) (82682) (04040) (39572) (38442) (49303) (49302) (39381)
OCT 1998
15... <.0040 <.230 .0358 <.0170 <.0020 E.0240 .030 <.0350 <1.20     <.0320 <.001
NOV
17... <.0040 <.230 .0294 <.0170 <.0020 E.0554 .028 <.0350 <1.20     <.0320 <.001
DEC
22... <.0040 --        .0157 --          <.0020 E.0475 .022 --          <1.20     --          <.001
JAN 1999
20... <.0040 <.230 .0175 <.0170 <.0020 E.0403 .022 <.0350 <1.20     <.0320 <.001
FEB
17... <.0040 <.230 .0163 <.0170 <.0020 E.0617 <.010 <.0350 <1.20     <.0320 <.001
MAR
10... <.0040 <.230 .0137 <.0170 <.0020 E.0471 .009 <.0350 <1.20     <.0320 <.001
APR
12... <.0040 <.230 .0607 <.0170 <.0020 E.0574 .010 <.110   <1.20     <.0320 <.001
MAY
19... <.0400 <.230 .894   <.0170 <.0020 E.246   .016 <.0350 <1.20     <.0320 <.001
JUN
08... .0318 <.230 .764   <.0170 <.0020 E.438   .012 .630   <1.20     <.0320 <.001
JUL
13... <.0040 <.230 .0711 <.0170 <.0020 E.111   <.002 <.0350 <1.20     <.0320 <.001
AUG
09... <.0040 <.230 .0237 <.0390 <.0020 E.0526 .016 <.0430 <.0700 <.0320 <.001
SEP
07... <.0040 <.230 .0126 <.0390 <.0020 E.0261 .023 <.120   <.0700 <.0320 <.001

DISUL- ETHAL- ETHO- FEN- FLUO-
DINOSEB FOTON DIURON, EPTC FLUR- PROP URON, METURON
WATER, WATER DNOC WATER, WATER ALIN WATER WATER, WATER, FONOFOS
FLTRD, FLTRD WAT,FLT FLTRD, FLTRD WAT FLT FLTRD FLTRD, FLTRD, WATER LINDANE
GF 0.7U 0.7 U GF 0.7U GF 0.7U 0.7 U 0.7 U 0.7 U GF 0.7U GF 0.7U DISS DIS-
DATE REC GF, REC REC REC GF, REC GF, REC GF, REC REC REC REC SOLVED
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(49301) (82677) (49299) (49300) (82668) (82663) (82672) (49297) (38811) (04095) (39341)
OCT 1998
15... <.0350 <.0170 <.420 <.0200 <.0020 <.0040 <.0030 <.0130 <.0350 <.0030 <.004
NOV
17... <.0350 <.0170 <.420 <.0200 <.0020 <.0040 <.0030 <.0130 <.0350 <.0030 <.004
DEC
22... --          <.0170 --        <.0200 <.0020 <.0040 <.0030 <.0130 <.0350 <.0030 <.004
JAN 1999
20... <.0350 <.0170 <.420 <.0200 <.0020 <.0040 <.0030 <.0130 <.0350 <.0030 <.004
FEB
17... <.0350 <.0170 <.420 <.0200 <.0020 <.0040 <.0030 <.0130 <.0350 <.0030 <.004
MAR
10... <.0350 <.0170 <.420 <.0200 <.0020 <.0040 <.0030 <.0130 <.0350 <.0030 <.004
APR
12... <.0350 <.0170 <.420 .0400 <.0020 <.0040 <.0030 <.0130 <.0350 <.0030 <.004
MAY
19... <.0350 <.0170 <.420 .0700 <.0020 <.0040 <.0030 <.0130 <.0350 <.0030 <.004
JUN
08... <.0350 <.0170 <.420 <.0200 <.0020 <.0040 <.0030 <.0130 <.0350 <.0030 <.004
JUL
13... <.250   <.0170 <.420 .130   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030 <.004
AUG
09... <.0600 <.0170 <.420 E.0490 <.0020 <.0040 <.0030 <.0700 <.0600 <.0030 <.004
SEP
07... <.0600 <.0170 <.420 <.0600 <.0020 <.0040 <.0030 <.0700 <.0600 <.0030 <.004

LIN- METHIO- METH- METHYL METHYL
LINURON URON MCPA, MCPB, CARB, OMYL, AZIN- PARA- METRI-
WATER, WATER MALA- WATER, WATER, WATER, WATER, PHOS THION METO- BUZIN
FLTRD, FLTRD THION, FLTRD, FLTRD, FLTRD, FLTRD, WAT FLT WAT FLT LACHLOR SENCOR
GF 0.7U 0.7 U DIS- GF 0.7U GF 0.7U GF 0.7U GF 0.7U 0.7 U 0.7 U WATER WATER
DATE REC GF, REC SOLVED REC REC REC REC GF, REC GF, REC DISSOLV DISSOLV
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(38478) (82666) (39532) (38482) (38487) (38501) (49296) (82686) (82667) (39415) (82630)
OCT 1998
15... <.0180 <.0020 <.005 <.170 <.140 <.0260 <.0170 <.0010 <.0060 .030 <.004
NOV
17... <.0180 <.0020 <.005 <.170 <.140 <.0260 <3.20     <.0010 <.0060 .058 <.004
DEC
22... <.0180 <.0020 <.005 --        --        <.0260 <.0170 <.0010 <.0060 .084 <.004
JAN 1999
20... <.0180 <.0020 <.005 <.170 <.140 <.0260 <.0170 <.0010 <.0060 .034 <.004
FEB
17... <.0180 <.0020 <.005 <.170 <.140 <.0260 <1.16     <.0010 <.0060 .113 <.004
MAR
10... <.0180 <.0020 <.005 <.170 <.140 <.0260 <3.37     <.0010 <.0060 .068 <.004
APR
12... <.0180 <.0020 <.005 <.170 <.140 <.0260 <.0170 <.0010 <.0060 .323 .008
MAY
19... <.0180 <.0020 <.005 <.170 <.140 <.0260 <.0170 <.0010 <.0060 1.76   .038
JUN
08... <.0180 <.0020 <.005 <.170 <.140 <.0260 <.0170 <.0010 <.0060 .945 .023
JUL
13... <.0180 <.0020 <.005 <.170 <.140 <.0260 <.0170 <.0010 <.0060 .243 <.004
AUG
09... <.0900 <.0020 <.005 <.170 <.130 <.0260 <11.5       <.0010 <.0060 .045 <.004
SEP
07... <.0900 <.0020 <.005 <.170 <.280 <.0260 <5.20     <.0010 <.0060 .015 <.004

MOL- NAPROP- NEB- NORFLUR ORY- PEB- PENDI- PER-
INATE AMIDE URON, AZON, ZALIN, OXAMYL, ULATE METH- METHRIN
WATER WATER WATER, WATER, WATER, WATER, PARA- WATER ALIN CIS
FLTRD FLTRD FLTRD, FLTRD, FLTRD, FLTRD, P,P' THION, FILTRD WAT FLT WAT FLT
0.7 U 0.7 U GF 0.7U GF 0.7U GF 0.7U GF 0.7U DDE DIS- 0.7 U 0.7 U 0.7 U
DATE GF, REC GF, REC REC REC REC REC DISSOLV SOLVED GF, REC GF, REC GF, REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(82671) (82684) (49294) (49293) (49292) (38866) (34653) (39542) (82669) (82683) (82687)
OCT 1998
15... <.0040 <.0030 <.0150 <.0240 <.310 <.0180 <.0060 <.004 <.0040 <.0040 <.0050
NOV
17... <.0040 <.0030 <.0150 <.0240 <.310 <.0180 <.0060 <.004 <.0040 <.0040 <.0050
DEC
22... <.0040 <.0030 <.0150 <.0240 <.310 <.0180 <.0060 <.004 <.0040 <.0040 <.0050
JAN 1999
20... <.0040 <.0030 <.0150 <.0240 <.310 <.0180 <.0060 <.004 <.0040 <.0040 <.0050
FEB
17... <.0040 <.0030 <.0150 <.0240 <.310 <.170   <.0060 <.004 <.0040 <.0040 <.0050
MAR
10... <.0040 <.0030 <.0150 <.0240 <.310 <.0180 <.0060 <.004 <.0040 <.0040 <.0050
APR
12... <.0040 <.0030 <.0150 <.0240 <.310 <.270   <.0060 <.004 <.0040 <.0040 <.0050
MAY
19... <.0040 <.0030 <.0150 <.0240 <.310 <.380   <.0060 <.004 <.0040 <.0300 <.0050
JUN
08... <.0040 <.0030 <.0150 <.0240 <.310 <.0180 <.0060 <.004 <.0040 .0389 <.0050
JUL
13... <.0040 <.0030 <.0150 <.0240 <.310 <.500   <.0060 <.004 <.0040 <.0040 <.0050
AUG
09... <.0040 <.0030 <.0700 <.0420 <.310 <.260   <.0060 <.004 <.0040 <.0040 <.0050
SEP
07... <.0040 <.0030 <.0700 <.0420 <.310 <.250   <.0060 <.004 <.0040 <.0040 <.0050

PIC- PRON- PRO- PRO- PRO- PRO-
PHORATE LORAM, PRO- AMIDE PROP- PANIL PARGITE PHAM, POXUR, SI-
WATER WATER, METON, WATER CHLOR, WATER WATER WATER, WATER, MAZINE,
FLTRD FLTRD, WATER, FLTRD WATER, FLTRD FLTRD FLTRD, FLTRD, SILVEX, WATER,
0.7 U GF 0.7U DISS, 0.7 U DISS, 0.7 U 0.7 U GF 0.7U GF 0.7U DIS- DISS,
DATE GF, REC REC REC GF, REC REC GF, REC GF, REC REC REC SOLVED REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(82664) (49291) (04037) (82676) (04024) (82679) (82685) (49236) (38538) (39762) (04035)
OCT 1998
15... <.0020 <.0500 .0189 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0072
NOV
17... <.0020 <.0500 E.0123 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0094
DEC
22... <.0020 --          E.0108 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 --          .0064
JAN 1999
20... <.0020 <.0500 E.0105 <.0030 <.0070 <.0040 <.0130 <.0350 <.240   <.0210 E.0040
FEB
17... <.0020 <.0500 E.0086 <.0030 <.0070 <.0040 <.0130 <.0350 <.290   <.0210 <.0100
MAR
10... <.0020 <.0500 E.0082 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 <.0050
APR
12... <.0020 <.0500 E.0071 <.0030 <.0070 <.0040 <.0130 <4.33     <.0350 <.0210 .0367
MAY
19... <.0020 <.0500 E.0144 <.0030 <.0070 <.0040 <.0130 <.0350 <.130   <.0210 .136  
JUN
08... <.0020 <.0500 .0235 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .106  
JUL
13... <.0020 <.0500 .0262 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.130   .0229
AUG
09... <.0020 <.0500 .0275 <.0030 <.0070 <.0040 <.0130 <2.20     <.120   <.0600 .0151
SEP
07... <.0020 <.0500 .0221 <.0030 <.0070 <.0040 <.0130 <.0350 <.300   <.0600 .0085

TEBU- TER- TER- THIO- TRIAL- TRI- TRI- SED.
THIURON BACIL BUFOS BENCARB LATE CLOPYR, FLUR- SUSP. NUMBER
WATER WATER WATER WATER WATER WATER, ALIN SEDI- SIEVE OF
FLTRD FLTRD FLTRD FLTRD FLTRD FLTRD, WAT FLT MENT, DIAM. SAM-
0.7 U 0.7 U 0.7 U 0.7 U 0.7 U GF 0.7U 0.7 U SUS- % FINER PLING STREAM
DATE GF, REC GF, REC GF, REC GF, REC GF, REC REC GF, REC PENDED THAN POINTS WIDTH
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (MG/L) .062 MM (COUNT) (FT)
(82670) (82665) (82675) (82681) (82678) (49235) (82661) (80154) (70331) (00063) (00004)
OCT 1998
15... <.0100 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 202 96 10 760
NOV
17... <.0100 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 333 99 10 700
DEC
22... <.0100 <.0070 <.0130 <.0020 <.0010 --        <.0020 157 96 10 660
JAN 1999
20... .0104 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 128 100 5 700
FEB
17... .0250 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 120 92 10 1000
MAR
10... <.0100 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 177 95 10 800
APR
12... <.0100 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 378 98 10 800
MAY
19... <.0100 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 201 95 10 2000
JUN
08... E.0093 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 397 98 10 800
JUL
13... <.0100 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 184 99 10 800
AUG
09... E.0093 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 112 100 10 800
SEP
07... <.0100 <.0070 <.0130 <.0020 <.0010 <.250 <.0020 115 99 10 750



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data