Station list     Available data
UPPER MISSISSIPPI RIVER BASIN


05587455       MISSISSIPPI RIVER BELOW GRAFTON, IL

(National Stream-Quality Accounting Network Station)


LOCATION.-- Lat 38°57'04", long 90°22'16", in sec.24, T.6 N., R.11 W., Jersey County, Hydrologic Unit 07110009, 11.3 mi above Lock and Dam 26, 19.0 mi above mouth of Missouri River, and at mile 214.6 upstream from the mouth of the Ohio River.

DRAINAGE AREA.-- 171,300 mi2, approximately.

PERIOD OF RECORD.--
SURFACE-WATER QUALITY
 

CHEMICAL: March 1989 to current year.

 

SEDIMENT: October 1989 to current year.


REMARKS.-- Established ambient water-quality monitoring network station Nov. 1992. Discharge for sediment records obtained from Mississippi River at Grafton (05587450).

EXTREMES FOR PERIOD OF RECORD.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,910 mg/L, May 23, 1990; minimum daily mean, 1 mg/L, Sept. 10, 1991.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 1,090,000 tons, May 23, 1990; minimum daily, 186 tons, Sept. 10, 1991.

EXTREMES FOR CURRENT YEAR.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 640 mg/L, Feb. 27; minimum daily mean, 49 mg/L, Oct. 21.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 197,000 tons, June 16; minimum daily, 4,590 tons, Jan. 25.
SURFACE-WATER-QUALITY, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DIS- UV UV OXYGEN, pH
CHARGE, ABSORB- ABSORB- DIS- WATER SPE- HARD-
INST. TURBID- ANCE ANCE SOLVED WHOLE CIFIC NESS
(cubic ITY LAB 254 NM, 280 NM, OXYGEN, (per- FIELD CON- TEMPER- TOTAL
SAMPLE feet HACH WTR FLT WTR FLT DIS- cent (stand- DUCT- ATURE (mg/L
DATE TIME TYPE per 2100AN (units (units SOLVED satur- ard ANCE WATER as
second) (NTU) /cm) /cm) (mg/L) ation) units) (µS/cm) (deg C) CaCO3)
(00061) (99872) (50624) (61726) (00300) (00301) (00400) (00095) (00010) (00900)
OCT
02... 1410 ENVIRONMENTAL 44500 -- -- -- 8.1 87 8.0 451 19.2 180
02... 1417 BLANK -- -- -- -- -- -- -- -- -- --
NOV
07... 1050 ENVIRONMENTAL 56600 11 .162 .120 7.5 76 7.9 482 15.3 200
FEB
06... 1105 ENVIRONMENTAL 94400 -- .171 .133 14.7 103 7.4 363 .7 200
06... 1113 BLANK -- -- -- -- -- -- -- -- -- --
21... 1315 ENVIRONMENTAL 81700 -- .159 .124 13.4 97 7.5 233 1.8 190
MAR
01... 1125 ENVIRONMENTAL 256000 160 .155 .118 13.6 96 7.7 349 1.5 190
07... 1310 ENVIRONMENTAL 153000 -- .138 .104 12.6 92 7.5 405 3.0 200
21... 1240 ENVIRONMENTAL 257000 -- .155 .117 13.2 103 7.5 417 5.2 200
APR
02... 1345 ENVIRONMENTAL 158000 -- .121 .091 14.2 115 7.9 494 6.7 210
16... 1435 ENVIRONMENTAL 255000 120 .147 .109 8.7 82 7.8 476 14.2 180
30... 1410 ENVIRONMENTAL 326000 56 .191 .142 9.0 92 7.5 355 16.0 230
MAY
14... 1445 ENVIRONMENTAL 336000 -- .231 .172 7.8 81 7.8 385 18.7 170
JUN
06... 1330 ENVIRONMENTAL 284000 140 .212 .156 7.4 79 7.8 416 17.4 190
11... 1325 ENVIRONMENTAL 296000 84 .182 .132 6.8 78 7.6 430 21.3 200
JUL
16... 1420 ENVIRONMENTAL 76800 41 .207 .150 8.8 116 8.0 474 27.5 210
AUG
06... 1425 ENVIRONMENTAL 83900 27 .173 .124 9.6 132 8.4 500 30.2 220
SEP
12... 1245 ENVIRONMENTAL 66900 -- .161 .115 11.2 139 8.7 483 25.6 190

ALKA- ALKA- BICAR- CAR- RESIDUE
MAGNE- POTAS- LINITY LINITY BONATE BONATE CHLO- FLUO- SILICA, TOTAL
CALCIUM SIUM, SIUM, SODIUM, WAT DIS WAT DIS WATER WATER RIDE, RIDE, DIS- SULFATE AT 105
DIS- DIS- DIS- DIS- FIX END TOT IT DIS IT DIS IT DIS- DIS- SOLVED DIS- DEG. C,
SOLVED SOLVED SOLVED SOLVED FIELD FIELD FIELD FIELD SOLVED SOLVED (mg/L SOLVED SUS-
DATE (mg/L (mg/L (mg/L (mg/L (mg/L as (mg/L as (mg/L as (mg/L as (mg/L (mg/L as (mg/L PENDED
as Ca) as Mg) as K) as Na) CaCO3) CaCO3) HCO3) CO3) as Cl) as F) SiO2) as SO4) (mg/L)
(00915) (00925) (00935) (00930) (39036) (39086) (00453) (00452) (00940) (00950) (00955) (00945) (00530)
OCT
02... 41.3 19.1 2.53 18.2 130 136 165 0 29.2 .3 9.0 34.8 --
02... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
07... 43.0 22.8 2.67 22.3 160 158 193 0 30.3 .3 6.6 34.7 --
FEB
06... 49.6 19.4 4.09 27.5 150 147 180 0 47.7 .2 8.2 35.8 174
06... -- -- -- -- -- -- -- -- -- -- -- -- --
21... 45.6 17.4 3.96 20.9 198 201 176 0 42.2 .2 8.3 32.6 --
MAR
01... 45.9 17.7 3.84 18.4 120 124 151 0 32.5 .2 8.1 30.3 --
07... 49.0 18.0 3.76 17.8 130 129 157 0 34.3 .2 8.3 33.7 152
21... 50.3 17.8 3.65 15.3 140 141 172 0 29.1 .2 8.7 34.1 --
APR
02... 52.8 19.2 3.23 16.9 141 145 176 0 31.5 .2 8.3 30.5 --
16... 45.7 15.2 4.27 15.9 130 131 160 0 20.8 .2 9.2 37.9 --
30... 37.1 12.7 3.04 9.7 100 101 123 0 18.5 E.2 9.5 21.9 --
MAY
14... 43.8 15.0 2.93 9.2 110 113 138 0 16.8 .2 10.4 31.0 --
JUN
06... 47.6 16.8 2.84 11.9 120 128 157 0 19.5 .3 9.5 34.1 --
11... 48.8 17.9 3.25 10.8 120 126 153 0 19.1 .3 9.2 33.1 --
JUL
16... 53.2 19.9 3.17 13.2 150 152 185 0 21.3 .3 10.5 33.5 --
AUG
06... 53.6 21.8 3.02 15.4 166 169 186 10 25.4 .3 6.7 42.1 --
SEP
12... 42.4 20.6 3.14 18.9 150 148 151 14 29.0 .2 .5 35.6 --

SOLIDS, NITRO- NITRO- NITRO- NITRO- NITRO- NITRO- PHOS- CARBON, CARBON,
RESIDUE GEN, GEN,AM- GEN,AM- GEN, GEN, GEN,PAR PHOS- PHORUS INORG + INOR- CARBON,
AT 180 AMMONIA MONIA + MONIA + NO2+NO3 NITRITE TICULTE PHORUS ORTHO, PHOS- ORGANIC GANIC, ORGANIC
DEG. C DIS- ORGANIC ORGANIC DIS- DIS- WAT FLT DIS- DIS- PHORUS PARTIC. PARTIC. DIS-
DIS- SOLVED DIS. TOTAL SOLVED SOLVED SUSP SOLVED SOLVED TOTAL TOTAL TOTAL SOLVED
DATE SOLVED (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L
(mg/L) as N) as N) as N) as N) as N) as N) as P) as P) as P) as C) as C) as C)
(70300) (00608) (00623) (00625) (00631) (00613) (49570) (00666) (00671) (00665) (00694) (00688) (00681)
OCT
02... 264 <.020 .50 .67 1.45 .068 -- .186 .146 .239 -- -- 6.4
02... -- -- -- -- -- -- <.022 -- -- -- .1 <.1 1.3
NOV
07... 278 .095 .56 .65 1.58 .039 .049 .157 .137 .203 1.1 <.1 5.1
FEB
06... 318 .244 .84 1.3 3.56 .031 .364 .177 .136 .420 3.2 -- 6.3
06... -- -- -- -- -- -- -- -- -- -- -- -- --
21... 279 .316 .79 1.2 4.32 .029 .313 .143 .056 .344 2.9 <.1 7.0
MAR
01... 626 .254 .79 1.9 4.38 .027 .946 .175 .149 .608 8.4 <.1 5.6
07... 278 .258 .78 1.2 4.67 .028 .523 .160 .128 .397 4.7 .2 5.0
21... 262 .237 .74 1.6 4.47 .028 .815 .141 .115 .493 5.2 <.1 5.6
APR
02... 276 .143 .63 1.4 4.92 .022 .695 .128 .121 .342 4.0 <.1 4.7
16... 261 <.040 .46 1.8 3.42 .054 .946 .128 .116 .669 8.3 <.1 4.9
30... 215 .044 .58 .95 3.54 .048 .460 .070 .056 .192 3.9 <.1 5.9
MAY
14... 206 <.040 .61 .79 3.48 .064 .325 .096 .069 .204 3.2 <.1 6.8
JUN
06... 294 .059 .82 1.2 4.43 .089 .625 .130 .108 .342 5.5 <.1 7.7
11... 256 <.040 .56 .97 4.42 .054 .483 .122 .098 .267 4.2 <.1 6.1
JUL
16... 300 <.040 .48 .69 3.66 .027 .455 .131 .116 .225 3.4 <.1 10
AUG
06... 282 E.037 .46 .98 2.27 .031 .426 .110 .096 .191 2.1 <.1 5.5
SEP
12... 260 <.040 .45 1.1 .317 .012 .429 .103 .086 .188 2.9 <.1 29

CARBON, COLI- FECAL CHLOR-A ALUM-
ORGANIC PHEO- FORM, STREP, PHYTO- ALUM- INUM, ANTI- BERYL-
PARTIC- PHYTIN E COLI, FECAL, KF STRP PLANK- INUM, TOTAL MONY, ARSENIC BARIUM, LIUM, BORON,
ULATE A, MTEC MF 0.7µ MF, TON DIS- RECOV- DIS- DIS- DIS- DIS- DIS-
TOTAL PHYTO- WATER MF WATER CHROMO SOLVED ERABLE SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (mg/L PHYTON (col./ (col./ (col./ FLUOROM (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L
as C) (µg/L) 100 mL) 100 mL) 100 mL) (µg/L) as Al) as Al) as Sb) as As) as Ba) as Be) as B)
(00689) (62360) (31633) (31625) (31673) (70953) (01106) (01105) (01095) (01000) (01005) (01010) (01020)
OCT
02... .6 -- K4 22 K15 -- -- -- -- -- -- -- --
02... .1 -- -- -- -- -- -- -- -- -- -- -- --
NOV
07... 1.1 5.5 58 K60 81 5.0 -- -- -- -- -- -- --
FEB
06... -- 12 64 72 830 6.8 E11 1610 -- -- -- -- --
06... -- -- -- -- -- -- -- -- -- -- -- -- --
21... 2.8 4.2 K8 K18 450 3.9 -- -- -- -- -- -- --
MAR
01... 8.3 11 160 170 1400 6.0 4 -- .11 .9 55.1 <.06 33
07... 4.5 9.4 K2 K10 K210 5.6 E11 1750 -- -- -- -- --
21... 5.1 10 140 130 3300 9.9 -- -- -- -- -- -- --
APR
02... 3.9 25 29 24 K25 48.4 -- -- -- -- -- -- --
16... 8.2 32 140 K300 1000 9.3 -- -- -- 1.6 -- -- 32
30... 3.9 7.4 K65 96 K52 8.8 -- -- -- 1.0 -- -- 26
MAY
14... 3.2 12 120 1100 160 15.5 -- -- -- -- -- -- --
JUN
06... 5.5 9.1 940 1100 3100 9.0 -- -- -- -- -- -- --
11... 4.2 6.7 200 K140 K180 6.3 -- -- -- 1.3 -- -- 32
JUL
16... 3.4 14 K12 K4 K4 28.3 E10 769 -- -- -- -- --
AUG
06... 2.0 26 K2 K4 K1 43.7 -- -- -- -- -- -- --
SEP
12... 2.9 58 2 2 11 80.4 -- -- -- -- -- -- --

CADMIUM CHRO- LEAD, MANGA- MERCURY MOLYB-
CADMIUM WATER MIUM, COBALT, COPPER, IRON, LEAD, TOTAL LITHIUM NESE, TOTAL DENUM, NICKEL,
DIS- UNFLTRD DIS- DIS- DIS- DIS- DIS- RECOV- DIS- DIS- RECOV- DIS- DIS-
SOLVED TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED ERABLE SOLVED SOLVED ERABLE SOLVED SOLVED
DATE (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L
as Cd) as Cd) as Cr) as Co) as Cu) as Fe) as Pb) as Pb) as Li) as Mn) as Hg) as Mo) as Ni)
(01025) (01027) (01030) (01035) (01040) (01046) (01049) (01051) (01130) (01056) (71900) (01060) (01065)
OCT
02... -- -- -- -- -- -- -- -- -- -- -- -- --
02... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
07... -- -- -- -- -- -- -- -- -- -- -- -- --
FEB
06... <8.00 E.10 -- -- <4.7 10 .09 3 -- 48.3 <.14 -- --
06... -- -- -- -- -- -- -- -- -- -- -- -- --
21... -- -- -- -- -- -- -- -- -- -- -- -- --
MAR
01... .05 -- <.8 .26 1.9 20 E.07 -- 2.1 12.9 -- 1.4 1.33
07... <8.00 E.08 -- -- <4.7 M .09 4 -- 22.8 .40 -- --
21... -- -- -- -- -- -- -- -- -- -- -- -- --
APR
02... -- -- -- -- -- -- -- -- -- -- -- -- --
16... -- -- -- -- -- 40 -- -- 5.5 -- -- -- --
30... -- -- -- -- -- <10 -- -- 2.9 -- -- -- --
MAY
14... -- -- -- -- -- -- -- -- -- -- <.01 -- --
JUN
06... -- -- -- -- -- -- -- -- -- -- -- -- --
11... -- -- -- -- -- <10 -- -- 4.3 -- -- -- --
JUL
16... <8.00 <.10 -- -- <5.0 <10 <.08 1 -- <3.0 <.01 -- --
AUG
06... -- -- -- -- -- -- -- -- -- -- -- -- --
SEP
12... -- -- -- -- -- -- -- -- -- -- -- -- --

2,6-DI- BEN-
SELE- STRON- VANA- ZINC, ETHYL ACETO- ALA- ATRA- FLUR- BUTYL-
NIUM, SILVER, TIUM, DIUM, ZINC, TOTAL ANILINE CHLOR, CHLOR, ALPHA ZINE, ALIN ATE,
DIS- DIS- DIS- DIS- DIS- RECOV- WAT FLT WATER WATER, BHC WATER, WAT FLD WATER,
SOLVED SOLVED SOLVED SOLVED SOLVED ERABLE 0.7 m FLTRD DISS, DIS- DISS, 0.7 m DISS,
DATE (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L GF, REC REC REC, SOLVED REC GF, REC REC
as Se) as Ag) as Sr) as V) as Zn) as Zn) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L)
(01145) (01075) (01080) (01085) (01090) (01092) (82660) (49260) (46342) (34253) (39632) (82673) (04028)
OCT
02... -- -- -- -- -- -- <.002 <.004 <.002 <.005 .119 <.010 <.002
02... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
07... -- -- -- -- -- -- <.002 .014 <.010 <.005 .177 <.010 <.002
FEB
06... -- -- -- -- <20 E21 <.002 .034 <.002 <.005 .169 <.010 <.002
06... -- -- -- -- -- -- <.002 <.004 <.002 <.005 <.007 <.010 <.002
21... -- -- -- -- -- -- <.002 .023 <.002 <.005 .142 <.010 <.002
MAR
01... .6 <1.0 101 1.8 2 -- <.002 .026 <.002 <.005 .100 <.010 <.002
07... -- -- -- -- <20 E20 <.002 .016 <.002 <.005 .143 <.010 <.002
21... -- -- -- -- -- -- <.002 .095 .008 <.005 .136 <.010 <.002
APR
02... -- -- -- -- -- -- <.002 .025 <.002 <.005 .084 <.010 <.002
16... 1.2 -- 160 2.4 -- -- <.002 .134 .011 <.005 .679 <.010 <.002
30... .5 -- 90 2.2 -- -- <.002 .047 E.004 <.005 .108 <.010 <.002
MAY
14... -- -- -- -- -- -- <.002 .330 <.002 <.005 .798 <.010 <.002
JUN
06... -- -- -- -- -- -- <.002 .532 .053 <.005 3.22 <.010 <.002
11... .8 -- 113 2.3 -- -- <.002 .369 .025 <.005 1.69 <.010 <.002
JUL
16... -- -- -- -- 30 <31 .125 .247 .139 .101 .840 .075 .118
AUG
06... -- -- -- -- -- -- <.002 .067 .006 <.005 .535 <.010 <.002
SEP
12... -- -- -- -- -- -- <.002 .013 <.002 <.005 .220 <.010 <.002

CAR- CARBO- DEETHYL DISUL- ETHAL- ETHO-
BARYL FURAN CYANA- DCPA ATRA- FOTON EPTC FLUR- PROP
WATER WATER CHLOR- ZINE, WATER ZINE, DI- DI- WATER WATER ALIN WATER FONOFOS
FLTRD FLTRD PYRIFOS WATER, FLTRD WATER, AZINON, ELDRIN FLTRD FLTRD WAT FLT FLTRD WATER
0.7 m 0.7 m DIS- DISS, 0.7 m DISS, DIS- DIS- 0.7 m 0.7 m 0.7 m 0.7 m DISS
DATE GF, REC GF, REC SOLVED REC GF, REC REC SOLVED SOLVED GF, REC GF, REC GF, REC GF, REC REC
(µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L)
(82680) (82674) (38933) (04041) (82682) (04040) (39572) (39381) (82677) (82668) (82663) (82672) (04095)
OCT
02... <.041 <.020 <.005 <.018 <.003 E.010 .011 <.005 <.021 <.002 <.009 <.005 <.003
02... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
07... <.041 <.020 <.005 <.018 <.003 E.046 E.004 <.005 <.021 <.002 <.009 <.005 <.003
FEB
06... <.041 <.020 <.005 <.018 <.003 E.011 <.005 <.005 <.021 <.002 <.009 <.005 <.003
06... <.041 <.020 <.005 <.018 <.003 <.006 <.005 <.005 <.021 <.002 <.009 <.005 <.003
21... <.041 <.020 <.005 E.006 <.003 E.058 <.005 <.005 <.021 <.002 <.009 <.005 <.003
MAR
01... <.041 <.020 <.005 E.008 <.003 E.040 <.005 <.005 <.021 <.002 <.009 <.005 <.003
07... <.041 <.020 <.005 E.007 <.003 E.029 E.004 <.005 <.021 <.002 <.009 <.005 <.003
21... <.041 <.020 <.005 E.013 <.003 E.040 <.005 <.005 <.021 <.002 <.009 <.005 <.003
APR
02... <.041 <.020 <.005 E.007 <.003 E.046 <.005 <.005 <.021 <.002 <.009 <.005 <.003
16... <.041 <.020 <.005 E.011 <.003 E.044 <.005 <.005 <.021 <.002 <.009 <.005 <.003
30... <.041 <.020 <.005 <.018 <.003 E.032 <.005 <.005 <.021 <.002 <.009 <.005 <.003
MAY
14... <.041 <.020 <.005 <.018 <.003 E.068 <.005 <.005 <.021 <.002 <.009 <.005 <.003
JUN
06... <.041 <.020 <.005 E.011 <.003 E.315 <.005 <.005 <.021 <.002 <.009 <.005 <.003
11... <.041 <.020 <.005 E.017 <.003 E.306 .011 <.005 <.021 <.002 <.009 <.005 <.003
JUL
16... E.143 E.122 .099 .119 .114 E.214 .114 .106 .100 .125 .102 .110 .110
AUG
06... <.041 <.020 <.005 <.018 <.003 E.114 <.005 <.005 <.021 <.002 <.009 <.005 <.003
SEP
12... <.041 <.020 <.005 <.018 <.003 E.043 E.003 <.005 <.021 <.002 <.009 <.005 <.003

LIN- METHYL METHYL MOL- NAPROP- PEB- PENDI-
URON AZIN- PARA- METRI- INATE AMIDE ULATE METH-
WATER MALA- PHOS THION METO- BUZIN WATER WATER PARA- WATER ALIN
LINDANE FLTRD THION, WAT FLT WAT FLT LACHLOR SENCOR FLTRD FLTRD P,P' THION, FILTRD WAT FLT
DIS- 0.7 m DIS- 0.7 m 0.7 m WATER WATER 0.7 m 0.7 m DDE DIS- 0.7 m 0.7 m
DATE SOLVED GF, REC SOLVED GF, REC GF, REC DISSOLV DISSOLV GF, REC GF, REC DISSOLV SOLVED GF, REC GF, REC
(µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L)
(39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542) (82669) (82683)
OCT
02... <.004 <.035 <.027 <.050 <.006 .020 <.006 <.002 <.007 <.003 <.007 <.002 <.010
02... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
07... <.004 <.035 <.027 <.050 <.006 .030 <.006 <.002 <.060 <.003 <.007 <.002 <.010
FEB
06... <.004 <.035 <.027 <.050 <.006 .166 <.006 <.002 <.007 <.003 <.007 <.002 <.010
06... <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.007 <.002 <.010
21... <.004 <.035 <.027 <.050 <.006 .146 <.006 <.002 <.007 <.003 <.007 <.002 <.010
MAR
01... <.004 <.035 <.027 <.050 <.006 .096 <.006 <.002 <.007 <.003 <.007 <.002 <.010
07... <.004 <.035 <.027 <.050 <.006 .291 <.006 <.002 <.007 <.003 <.007 <.002 <.010
21... <.004 <.035 <.027 <.050 <.006 .081 <.006 <.002 <.007 <.003 <.007 <.002 <.010
APR
02... <.004 <.035 <.027 <.050 <.030 .929 <.006 <.002 <.007 <.003 <.007 <.002 <.010
16... <.004 <.035 <.027 <.050 <.030 .386 .007 <.002 <.007 <.003 <.007 <.002 <.010
30... <.004 <.035 <.027 <.050 <.040 .312 <.006 <.002 <.007 <.003 <.007 <.002 <.010
MAY
14... <.004 <.035 <.027 <.050 <.006 .468 <.006 <.002 <.007 <.003 <.007 <.002 <.010
JUN
06... <.004 <.035 <.027 <.050 <.006 1.02 .027 <.002 <.007 <.003 <.007 <.002 <.010
11... <.004 <.035 <.027 <.050 <.006 .682 .014 <.002 <.007 <.003 <.007 <.002 <.010
JUL
16... .090 .119 .082 E.176 .147 .382 .130 .113 .137 .103 .127 .112 .109
AUG
06... <.004 <.035 <.027 <.050 <.006 .138 <.006 <.002 <.007 <.003 <.007 <.002 <.010
SEP
12... <.004 <.035 <.027 <.050 <.006 .037 <.006 <.002 <.007 <.003 <.007 <.002 <.010

PER- PRON- PRO- PRO- TEBU- TER- TER- THIO- TRIAL-
METHRIN PHORATE PRO- AMIDE PROPA- PANIL PARGITE SI- THIURON BACIL BUFOS BENCARB LATE
CIS WATER METON, WATER CHLOR, WATER WATER MAZINE, WATER WATER WATER WATER WATER
WAT FLT FLTRD WATER, FLTRD WATER, FLTRD FLTRD WATER, FLTRD FLTRD FLTRD FLTRD FLTRD
0.7 m 0.7 m DISS, 0.7 m DISS, 0.7 m 0.7 m DISS, 0.7 m 0.7 m 0.7 m 0.7 m 0.7 m
DATE GF, REC GF, REC REC GF, REC REC GF, REC GF, REC REC GF, REC GF, RE C GF, REC GF, REC GF, REC
(µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L ) (µg/L) (µg/L) (µg/L)
(82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665 ) (82675) (82681) (82678)
OCT
02... <.006 <.011 <.015 <.004 <.010 <.011 <.023 <.011 <.016 <.034 <.017 <.005 <.002
02... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
07... <.006 <.011 E.009 <.004 <.010 <.011 <.023 .078 <.016 <.034 <.017 <.005 <.002
FEB
06... <.006 <.011 <.015 <.004 <.010 <.011 <.023 E.010 <.016 <.034 <.017 <.005 <.002
06... <.006 <.011 <.015 <.004 <.010 <.011 <.023 <.011 <.016 <.034 <.017 <.005 <.002
21... <.006 <.011 E.004 <.004 <.010 <.011 <.023 .025 <.016 <.034 <.017 <.005 <.002
MAR
01... <.006 <.011 E.003 <.004 <.010 <.011 <.023 .036 <.016 <.034 <.017 <.005 <.002
07... <.006 <.011 E.004 <.004 <.010 <.011 <.023 .054 <.016 <.034 <.017 <.005 <.002
21... <.006 <.011 E.004 <.004 <.010 <.011 <.023 .016 <.016 <.034 <.017 <.005 <.002
APR
02... <.006 <.011 <.015 <.004 <.010 <.011 <.023 E.004 <.016 <.034 <.017 <.005 <.002
16... <.006 <.011 <.015 <.004 <.010 <.011 <.023 .022 <.016 <.034 <.017 <.005 <.002
30... <.006 <.011 E.003 <.004 <.010 <.011 <.023 .011 <.016 <.034 <.017 <.005 <.002
MAY
14... <.006 <.011 <.015 <.004 <.010 <.011 <.023 .040 <.016 <.034 <.017 <.005 <.002
JUN
06... <.006 <.011 E.006 <.004 <.010 <.011 <.023 .113 <.016 <.034 <.017 <.005 <.002
11... <.006 <.011 E.004 <.004 <.010 <.011 <.023 .077 <.016 <.034 <.017 <.005 <.002
JUL
16... .058 .126 .110 .115 .127 .119 .358 .131 .112 E.125 .100 .114 .112
AUG
06... <.006 <.011 E.008 <.004 <.010 <.011 <.023 E.010 <.016 <.034 <.017 <.005 <.002
SEP
12... <.006 <.011 E.008 <.004 <.010 <.011 <.023 E.007 <.016 <.034 <.017 <.005 <.002

TRI- SED.
FLUR- URANIUM SUSP.
ALIN NATURAL SIEVE SEDI-
WAT FLT DIS- DIAM. MENT,
0.7 m SOLVED % FINER SUS-
DATE GF, REC (µg/L THAN PENDED
(µg/L) as U) .062 mm (mg/L)
(82661) (22703) (70331) (80154)
OCT
02... <.009 -- 98 36
02... -- -- -- --
NOV
07... <.009 -- 99 24
FEB
06... <.009 -- 98 172
06... <.009 -- -- --
21... <.009 -- 92 248
MAR
01... <.009 .87 94 396
07... <.009 -- 91 184
21... <.009 -- 94 312
APR
02... <.009 -- 97 122
16... <.009 -- 92 273
30... <.009 -- 97 123
MAY
14... <.009 -- 85 114
JUN
06... <.009 -- 97 235
11... <.009 -- 98 126
JUL
16... .083 -- 96 97
AUG
06... <.009 -- 98 56
SEP
12... <.009 -- 97 53

<</td> Less than.
K Results based on colony count outside the acceptable range (non-ideal colony count).
E Laboratory estimated value.
M Presence of material verified, but not quantified.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data