Station list     Available data
OHIO RIVER BASIN


03612500       OHIO RIVER AT LOCK AND DAM 53, NEAR GRAND CHAIN, KY

(National Stream-Quality Accounting Network Station)


LOCATION.-- Lat 37°12'11", long 89°02'30", Pulaski County, Hydrologic Unit 05140206, at auxiliary gaging station, 0.5 mi upstream from Gar Creek, 3.0 mi southwest of Grand Chain, 18.1 mi downstream from gaging station at Metropolis, and at mile 962.2.

DRAINAGE AREA.-- 203,100 mi2, approximately.

PERIOD OF RECORD.--
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1955 to current year.

 

SPECIFIC CONDUCTANCE: October 1954 to September 1970, January 1973 to September 1990.

 

WATER TEMPERATURE: October 1954 to September 1970, January 1973 to September 1990.


REMARKS.-- For chemical analyses, records of daily discharge are used for station at Metropolis, IL, (station 03611500). Flow regulated by many dams and reservoirs.

EXTREMES FOR PERIOD OF RECORD.--
SPECIFIC CONDUCTANCE: Maximum daily recorded, 693 microsiemens, Nov. 25, 1968; minimum daily recorded, 170 microsiemens, Feb. 9, 1957.
WATER TEMPERATURE: Maximum daily recorded, 31.0°C, July 15, 1964, July 17-21, 25, 1977; minimum daily recorded, 0.0°C, on several days during most winter months.
SURFACE-WATER-QUALITY, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DIS- UV UV BARO- PH PH
CHARGE, ABSORB- ABSORB- METRIC WATER WATER SPE-
INST. TURBID- ANCE ANCE PRES- WHOLE WHOLE CIFIC
CUBIC TUR- ITY LAB 254 NM, 280 NM, SURE OXYGEN, FIELD LAB CON-
SAMPLE FEET BID- HACH WTR FLT WTR FLT (MM DIS- (STAND- (STAND- DUCT-
DATE TIME TYPE PER ITY 2100AN (UNITS (UNITS OF SOLVED ARD ARD ANCE
SECOND (NTU) (NTU) /CM) /CM) HG) (MG/L) UNITS) UNITS) (US/CM)
(00061) (00076) (99872) (50624) (61726) (00025) (00300) (00400) (00403) (00095)
NOV
30... 1230 ENVIRONMENTAL 146000 6.2 19 .075 .056 766 11.6 7.8 7.8 461
30... 1238 FIELD BLANK -- -- -- -- -- -- -- -- -- --
DEC
20... 1300 ENVIRONMENTAL 530000 87 290 .080 .059 763 12.9 7.6 7.7 375
JAN
31... 1330 ENVIRONMENTAL 200000 20 27 .070 .053 754 12.8 7.6 7.8 375
31... 1340 REPLICATE -- 22 28 .070 .052 -- -- -- 7.7 --
FEB
21... 1400 ENVIRONMENTAL 695000 81 120 .100 .075 769 12.4 7.2 7.7 311
MAR
14... 1210 ENVIRONMENTAL 206000 37 48 .079 .059 756 11.7 7.4 7.9 377
14... 1218 FIELD BLANK -- -- -- -- -- -- -- -- -- --
28... 1220 ENVIRONMENTAL 340000 43 58 .057 .043 762 11.4 7.4 7.9 337
APR
05... 1250 ENVIRONMENTAL 221000 49 70 .079 .059 761 11.3 7.4 7.9 409
05... 1258 FIELD BLANK -- -- -- -- -- -- -- -- -- --
18... 1340 ENVIRONMENTAL 382000 50 71 .058 .043 767 9.0 7.9 7.9 335
MAY
02... 1320 ENVIRONMENTAL 110000 9.4 23 .075 .055 758 10.0 8.0 7.9 332
02... 1330 REPLICATE -- 8.6 25 .076 .056 -- -- -- 7.9 --
23... 1350 ENVIRONMENTAL 350000 40 52 .075 .055 752 6.9 7.5 8.0 385
23... 1358 FIELD BLANK -- -- -- -- -- -- -- -- -- --
JUN
27... 1240 ENVIRONMENTAL 14000 -- 11 .093 .069 763 7.5 7.7 8.0 391
JUL
11... 1320 ENVIRONMENTAL 215000 -- <.1 .079 .057 753 7.1 7.5 8.0 349
AUG
02... 1430 ENVIRONMENTAL 269000 -- 69 .082 .060 759 5.8 7.4 7.8 362
02... 1438 FIELD BLANK -- -- -- -- <.004 -- -- -- -- --
22... 1430 ENVIRONMENTAL 106000 -- 21 .064 .046 758 8.4 8.0 8.3 259
22... 1440 REPLICATE -- -- 19 -- -- -- -- -- -- --
SEP
05... 1320 ENVIRONMENTAL 107000 -- 14 .072 .052 758 7.5 7.9 8.2 268

ALKA- ALKA- BICAR- CAR-
HARD- MAGNE- POTAS- LINITY LINITY BONATE BONATE CHLO- FLUO-
NESS CALCIUM SIUM, SIUM, SODIUM, WAT.DIS WAT DIS WATER WATER RIDE, RIDE,
TEMPER- TEMPER- TOTAL DIS- DIS- DIS- DIS- FET TOT IT DIS IT DIS IT DIS- DIS-
ATURE ATURE (MG/L SOLVED SOLVED SOLVED SOLVED LAB FIELD FIELD FIELD SOLVED SOLVED
DATE AIR WATER AS (MG/L (MG/L (MG/L (MG/L CACO3 MG/L AS MG/L AS MG/L AS (MG/L (MG/L
(DEG C) (DEG C) CACO3) AS CA) AS MG) AS K) AS NA) (MG/L) CACO3 HCO3 CO3 AS CL) AS F)
(00020) (00010) (00900) (00915) (00925) (00935) (00930) (29801) (39086) (00453) (00452) (00940) (00950)
NOV
30... 10.5 9.0 170 44.8 13.3 3.42 22.2 110 96 118 -- 27.6 .2
30... -- -- -- M <.001 -- <.025 -- -- -- -- -- --
DEC
20... .1 3.5 130 36.2 10.0 3.28 19.2 88 75 92 -- 23.1 .2
JAN
31... 5.0 4.0 120 34.2 8.43 2.61 15.4 88 84 103 -- 21.2 E.1
31... -- -- 120 34.6 8.60 2.59 15.8 90 88 108 -- 20.9 E.1
FEB
21... 7.5 7.0 120 33.6 7.76 2.49 14.3 78 73 89 -- 22.3 E.1
MAR
14... 16.0 8.5 140 40.6 10.3 2.38 12.4 98 86 105 -- 18.4 .2
14... -- -- -- -- -- -- -- -- -- -- -- -- --
28... 16.0 9.0 120 34.0 8.81 1.91 14.6 77 76 93 -- 19.6 E.1
APR
05... 23.5 10.9 140 38.4 11.4 2.30 19.2 80 73 89 -- 25.8 E.2
05... -- -- -- .01 <.001 -- <.025 -- -- -- -- -- --
18... 17.5 15.5 120 33.9 9.43 1.95 14.4 77 66 80 -- 20.7 E.1
MAY
02... 27.0 20.0 120 34.8 9.05 2.22 13.3 86 82 52 24 19.1 E.1
02... -- -- 130 35.2 9.16 2.22 13.3 86 -- -- -- 19.4 E.1
23... 23.5 23.0 140 38.2 11.6 2.52 17.2 85 78 95 -- 25.2 .2
23... -- -- -- -- -- -- -- -- -- -- -- -- --
JUN
27... 28.5 27.0 160 43.9 12.4 2.63 14.5 107 103 126 -- 20.4 E.2
JUL
11... 33.5 29.0 130 33.2 10.8 2.37 14.9 89 86 105 -- 18.9 E.2
AUG
02... 35.5 30.5 130 33.8 10.1 2.93 18.6 82 81 99 -- 21.6 E.2
02... -- -- -- -- -- -- -- -- -- -- -- -- --
22... 34.0 29.0 89 24.7 6.52 2.24 12.3 71 67 82 -- 12.0 E.1
22... -- -- -- -- -- -- -- -- -- -- -- -- --
SEP
05... 32.5 28.5 100 27.4 7.53 2.50 13.0 76 72 87 -- 13.8 E.1

SOLIDS, NITRO- NITRO- NITRO- NITRO- NITRO- PHOS- CARBON, CARBON,
SILICA, RESIDUE GEN, GEN,AM- GEN,AM- GEN, GEN, PHOS- PHORUS INORG + INOR-
DIS- SULFATE AT 180 AMMONIA MONIA + MONIA + NO2+NO3 NITRITE PHORUS ORTHO, PHOS- ORGANIC GANIC,
SOLVED DIS- DEG. C DIS- ORGANIC ORGANIC DIS- DIS- DIS- DIS- PHORUS PARTIC. PARTIC.
(MG/L SOLVED DIS- SOLVED DIS. TOTAL SOLVED SOLVED SOLVED SOLVED TOTAL TOTAL TOTAL
DATE AS (MG/L SOLVED (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L
SIO2) AS SO4) (MG/L) AS N) AS N) AS N) AS N) AS N) AS P) AS P) AS P) AS C) AS C)
(00955) (00945) (70300) (00608) (00623) (00625) (00631) (00613) (00666) (00671) (00665) (00694) (00688)
NOV
30... 5.5 59.6 249 <.041 .26 .45 1.45 .030 .062 .058 .086 .9 <.1
30... <.02 -- -- .003 -- -- <.005 <.001 -- <.007 -- -- --
DEC
20... 3.9 54.0 223 .103 .37 1.3 1.03 .009 .059 .049 .516 5.8 <.1
JAN
31... 4.2 39.3 205 .092 .36 .55 1.37 .007 .051 .044 .113 1.1 <.1
31... 4.2 40.1 206 .094 .36 .53 1.38 .007 .050 .043 .115 1.1 <.1
FEB
21... 4.9 34.5 188 .080 .35 .90 1.75 .014 .051 .043 .317 3.0 <.1
MAR
14... 5.1 44.2 205 E.032 .22 .50 1.93 .015 .043 .037 .136 1.6 <.1
14... -- -- -- -- -- -- -- -- -- -- -- <.1 <.1
28... 3.5 45.9 198 <.041 .21 .51 1.13 .014 .023 .016 .137 1.8 <.1
APR
05... 3.7 60.9 236 <.041 .22 .70 1.22 .015 .019 .015 .147 2.4 <.1
05... <.02 -- -- .005 -- -- .008 <.001 -- <.007 -- -- --
18... 3.1 47.4 190 <.041 .21 .66 1.09 .020 .027 .023 .180 2.2 <.1
MAY
02... 3.0 43.1 197 <.041 .21 .40 1.26 <.006 .026 .018 .065 1.2 <.1
02... 3.0 43.1 210 <.041 .25 .38 1.26 .007 .024 .017 .065 1.2 <.1
23... 2.1 54.4 217 <.040 .25 .67 1.28 .027 <.006 .021 .141 3.2 <.1
23... -- -- -- -- -- -- -- -- -- -- -- -- --
JUN
27... 3.5 49.6 234 .045 .22 .39 1.91 .025 .049 .036 .061 1.5 <.1
JUL
11... 1.9 42.5 195 .087 .36 .48 .862 .028 .028 .022 .082 1.7 <.1
AUG
02... 3.3 55.3 195 <.040 .24 .66 .792 .014 .046 .039 .177 3.4 <.1
02... -- -- -- -- -- -- -- -- -- -- -- -- --
22... 2.0 31.6 146 <.040 .22 .55 E.208 E.011 .040 .028 .104 2.8 <.1
22... -- -- -- <.040 .22 .53 E.212 E.011 .040 .028 .104 -- --
SEP
05... 3.3 32.1 156 <.040 .23 .44 .324 .030 .048 .037 .102 1.7 <.1

CARBON, CHLOR-A
CARBON, ORGANIC PHEO- PHYTO- ALUM- ANTI- CHRO-
ORGANIC PARTIC- PHYTIN PLANK- INUM, MONY, ARSENIC BORON, CADMIUM MIUM, COBALT, COPPER, IRON,
DIS- ULATE A, TON DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SOLVED TOTAL PHYTO- CHROMO SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (MG/L (MG/L PHYTON FLUOROM (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L
AS C) AS C) (UG/L) (UG/L) AS AL) AS SB) AS AS) AS B) AS CD) AS CR) AS CO) AS CU) AS FE)
(00681) (00689) (62360) (70953) (01106) (01095) (01000) (01020) (01025) (01030) (01035) (01040) (01046)
NOV
30... 2.9 .9 3.9 5.2 2 .27 <2.0 73 .05 <.8 .18 2.3 <10
30... -- -- -- -- M <.20 -- <2 <.30 <.2 <.20 <.2 <3
DEC
20... 2.9 5.7 12 3.6 3 .33 .8 55 E.03 <.8 .16 1.6 <10
JAN
31... 2.6 1.1 5.1 7.9 -- -- .7 47 -- -- -- -- 10
31... 2.6 1.1 5.5 9.8 -- -- .7 43 -- -- -- -- M
FEB
21... 3.4 3.8 7.7 2.8 5 .10 .5 29 E.02 <.8 .13 1.4 20
MAR
14... 2.7 1.6 5.8 2.8 -- -- .5 44 -- -- -- -- <10
14... .23 <.1 -- -- -- -- -- -- -- -- -- -- --
28... 2.1 1.8 9.0 8.6 -- -- .4 30 -- -- -- -- M
APR
05... 2.8 2.4 13 13.8 -- -- .4 49 -- -- -- -- 10
05... -- -- -- -- <.3 <.20 -- <2 <.30 <.2 <.20 <.2 <3
18... 2.1 2.2 10 6.2 -- -- .5 33 -- -- -- -- <10
MAY
02... 2.7 1.2 10 10 -- -- .5 36 -- -- -- -- <10
02... 2.7 1.2 7.4 10 -- -- .6 35 -- -- -- -- M
23... 2.9 3.1 13 8.3 -- -- .6 51 -- -- -- -- <10
23... -- -- -- -- -- -- -- -- -- -- -- -- --
JUN
27... 3.1 1.5 -- -- 6 .19 1.0 49 <.04 <.8 .13 1.8 M
JUL
11... 3.5 1.6 -- -- -- -- .9 53 -- -- -- -- <10
AUG
02... 2.7 3.4 -- -- -- -- .9 56 -- -- -- -- <10
02... -- -- -- -- -- -- -- -- -- -- -- -- --
22... 2.6 2.8 -- -- -- -- 1.4 47 -- -- -- -- <10
22... -- -- -- -- -- -- -- -- -- -- -- -- --
SEP
05... 2.8 1.7 -- -- 18 .18 1.2 48 <.04 <.8 .12 1.3 20

2,6-DI-
MANGA- MOLYB- SELE- STRON- VANA- ETHYL ACETO- ALA-
LEAD, LITHIUM NESE, DENUM, NICKEL, NIUM, SILVER, TIUM, DIUM, ZINC, ANILINE CHLOR, CHLOR,
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- WAT FLT WATER WATER,
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED 0.7 U FLTRD DISS,
DATE (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L GF, REC REC REC,
AS PB) AS LI) AS MN) AS MO) AS NI) AS SE) AS AG) AS SR) AS V) AS ZN) (UG/L) (UG/L) (UG/L)
(01049) (01130) (01056) (01060) (01065) (01145) (01075) (01080) (01085) (01090) (82660) (49260) (46342)
NOV
30... E.06 4.8 3.7 4.0 1.53 <2.4 <1.0 238 <8.0 5 <.002 .008 <.002
30... <.30 -- <.1 <.2 <.50 -- <.2 <.10 -- 8 -- -- --
DEC
20... <.08 5.0 3.6 3.3 1.38 .5 <1.0 223 1.4 5 <.002 .013 <.023
JAN
31... -- 3.0 -- -- -- .4 -- 169 .5 -- <.002 .020 <.002
31... -- 2.7 -- -- -- .4 -- 169 .5 -- <.002 .019 <.002
FEB
21... E.06 2.3 3.9 1.3 1.04 .4 <1.0 139 .9 3 <.002 <.004 <.002
MAR
14... -- 2.7 -- -- -- .3 -- 164 .6 -- <.002 <.004 .006
14... -- -- -- -- -- -- -- -- -- -- -- -- --
28... -- 3.2 -- -- -- .4 -- 163 .7 -- <.002 <.004 <.002
APR
05... -- 4.1 -- -- -- E.3 -- 190 .4 -- <.002 .005 <.002
05... <.30 -- <.1 <.2 <.50 -- <.2 <.10 -- <.5 -- -- --
18... -- 3.7 -- -- -- E.2 -- 173 .4 -- <.002 .009 <.002
MAY
02... -- 3.2 -- -- -- E.3 -- 193 .7 -- <.002 .024 .005
02... -- 3.1 -- -- -- E.2 -- 192 .7 -- <.002 .022 .005
23... -- 4.5 -- -- -- .4 -- 223 .6 -- <.002 .136 .010
23... -- -- -- -- -- -- -- -- -- -- <.002 <.004 <.002
JUN
27... <.08 2.9 .6 2.8 .64 .4 <1.0 196 1.2 1 <.002 .078 .005
JUL
11... -- 3.5 -- -- -- .4 -- 187 1.0 -- <.002 .044 .003
AUG
02... -- 4.3 -- -- -- E.3 -- 191 1.2 -- <.002 .018 .005
02... -- -- -- -- -- -- -- -- -- -- -- -- --
22... -- 2.1 -- -- -- .5 -- 126 1.2 -- <.002 <.004 <.002
22... -- -- -- -- -- -- -- -- -- -- <.002 <.004 <.002
SEP
05... <.08 2.9 4.3 2.3 .36 E.2 <1.0 122 1.1 2 <.002 .006 <.002

BEN- CAR- CARBO- DEETHYL DISUL-
ATRA- FLUR- BUTYL- BARYL FURAN CYANA- DCPA ATRA- FOTON
ALPHA ZINE, ALIN ATE, WATER WATER CHLOR- ZINE, WATER ZINE, DI- DI- WATER
BHC WATER, WAT FLD WATER, FLTRD FLTRD PYRIFOS WATER, FLTRD WATER, AZINON, ELDRIN FLTRD
DIS- DISS, 0.7 U DISS, 0.7 U 0.7 U DIS- DISS, 0.7 U DISS, DIS- DIS- 0.7 U
DATE SOLVED REC GF, REC REC GF, REC GF, REC SOLVED REC GF, REC REC SOLVED SOLVED GF, REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(34253) (39632) (82673) (04028) (82680) (82674) (38933) (04041) (82682) (04040) (39572) (39381) (82677)
NOV
30... <.005 .142 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.037 E.003 <.005 <.021
30... -- -- -- -- -- -- -- -- -- -- -- -- --
DEC
20... <.005 .088 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.028 <.005 <.005 <.021
JAN
31... <.005 .052 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.017 <.005 <.005 <.021
31... <.005 .049 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.018 <.005 <.005 <.021
FEB
21... <.005 .039 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.018 <.005 <.005 <.021
MAR
14... <.005 .049 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.016 <.005 <.005 <.021
14... -- -- -- -- -- -- -- -- -- -- -- -- --
28... <.005 .016 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.007 <.005 <.005 <.021
APR
05... <.005 .618 <.010 <.002 E.007 <.020 <.005 <.018 <.003 E.015 E.003 <.005 <.021
05... -- -- -- -- -- -- -- -- -- -- -- -- --
18... <.005 .171 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.011 E.002 <.005 <.021
MAY
02... <.005 .204 <.010 <.002 <.041 <.020 E.003 E.009 <.003 E.017 E.005 <.005 <.021
02... <.005 .196 <.010 <.002 <.041 <.020 E.003 E.009 <.003 E.018 E.004 <.005 <.021
23... <.005 1.40 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.105 .007 <.005 <.021
23... <.005 <.007 <.010 <.002 <.041 <.020 <.005 <.018 <.003 <.006 <.005 <.005 <.021
JUN
27... <.005 1.00 <.010 <.002 <.041 <.020 <.005 E.005 <.003 E.252 E.004 <.005 <.021
JUL
11... <.005 .542 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.081 E.003 <.005 <.021
AUG
02... <.005 .216 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.038 <.005 <.005 <.021
02... -- -- -- -- -- -- -- -- -- -- -- -- --
22... <.005 .105 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.013 <.005 <.005 <.021
22... <.005 .110 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.018 E.003 <.005 <.021
SEP
05... <.005 .091 <.010 <.002 <.041 <.020 <.005 E.007 <.003 E.019 E.003 <.005 <.021

ETHAL- ETHO- LIN- METHYL METHYL MOL- NAPROP-
EPTC FLUR- PROP URON AZIN- PARA- METRI- INATE AMIDE
WATER ALIN WATER FONOFOS WATER MALA- PHOS THION METO- BUZIN WATER WATER
FLTRD WAT FLT FLTRD WATER LINDANE FLTRD THION, WAT FLT WAT FLT LACHLOR SENCOR FLTRD FLTRD
0.7 U 0.7 U 0.7 U DISS DIS- 0.7 U DIS- 0.7 U 0.7 U WATER WATER 0.7 U 0.7 U
DATE GF, REC GF, REC GF, REC REC SOLVED GF, REC SOLVED GF, REC GF, REC DISSOLV DISSOLV 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) (UG/L) (UG/L)
(82668) (82663) (82672) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684)
NOV
30... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .037 <.006 <.002 <.007
30... -- -- -- -- -- -- -- -- -- -- -- -- --
DEC
20... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .019 <.006 <.002 <.007
JAN
31... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .019 <.006 <.002 <.007
31... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .018 <.006 <.002 <.007
FEB
21... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .021 <.006 <.002 <.007
MAR
14... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .035 <.006 <.002 <.007
14... -- -- -- -- -- -- -- -- -- -- -- -- --
28... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 E.008 <.006 <.002 <.007
APR
05... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .032 <.006 <.002 <.007
05... -- -- -- -- -- -- -- -- -- -- -- -- --
18... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .038 E.005 <.002 <.007
MAY
02... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .060 .017 <.002 <.007
02... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .058 .017 <.002 <.007
23... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .359 .015 <.002 <.007
23... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007
JUN
27... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .255 .007 <.002 <.007
JUL
11... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .121 <.006 <.002 <.007
AUG
02... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .051 <.006 <.002 <.007
02... -- -- -- -- -- -- -- -- -- -- -- -- --
22... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 E.012 <.006 <.002 <.007
22... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 E.012 <.006 <.002 <.007
SEP
05... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .019 <.006 <.002 <.007

PEB- PENDI- PER- PRON- PRO- PRO- TEBU-
ULATE METH- METHRIN PHORATE PRO- AMIDE PROPA- PANIL PARGITE SI- THIURON
PARA- WATER ALIN CIS WATER METON, WATER CHLOR, WATER WATER MAZINE, WATER
P,P' THION, FILTRD WAT FLT WAT FLT FLTRD WATER, FLTRD WATER, FLTRD FLTRD WATER, FLTRD
DDE DIS- 0.7 U 0.7 U 0.7 U 0.7 U DISS, 0.7 U DISS, 0.7 U 0.7 U DISS, 0.7 U
DATE DISSOLV SOLVED GF, REC GF, REC GF, REC GF, REC REC GF, REC REC GF, REC GF, REC 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) (UG/L) (UG/L)
(34653) (39542) (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670)
NOV
30... <.003 <.007 <.002 <.010 <.006 <.011 E.010 <.004 <.010 <.011 <.023 .072 <.016
30... -- -- -- -- -- -- -- -- -- -- -- -- --
DEC
20... <.003 <.007 <.002 <.010 <.006 <.011 <.015 <.004 <.010 <.011 <.023 .140 E.009
JAN
31... <.003 <.007 <.002 <.010 <.006 <.011 E.004 <.004 <.010 <.011 <.023 .040 E.011
31... <.003 <.007 <.002 <.010 <.006 <.011 E.004 <.004 <.010 <.011 <.023 .039 E.011
FEB
21... <.003 <.007 <.002 <.010 <.006 <.011 E.003 <.004 <.010 <.011 <.023 .062 <.016
MAR
14... <.003 <.007 <.002 <.010 <.006 <.011 <.015 <.004 <.010 <.011 <.023 .036 <.016
14... -- -- -- -- -- -- -- -- -- -- -- -- --
28... <.003 <.007 <.002 <.010 <.006 <.011 E.004 <.004 <.010 <.011 <.023 E.011 <.016
APR
05... <.003 <.007 <.002 <.010 <.006 <.011 E.003 <.004 <.010 <.011 <.023 .085 <.016
05... -- -- -- -- -- -- -- -- -- -- -- -- --
18... <.003 <.007 <.002 <.010 <.006 <.011 <.015 <.004 <.010 <.011 <.023 .039 <.016
MAY
02... <.003 <.007 <.002 <.010 <.006 <.011 E.003 <.004 <.010 <.011 <.023 .048 E.009
02... <.003 <.007 <.002 <.010 <.006 <.011 E.003 <.004 <.010 <.011 <.023 .048 E.008
23... <.003 <.007 <.002 <.010 <.006 <.011 E.014 <.004 <.010 <.011 <.023 .519 E.006
23... <.003 <.007 <.002 <.010 <.006 <.011 <.015 <.004 <.010 <.011 <.023 <.011 <.016
JUN
27... <.003 <.007 <.002 <.010 <.006 <.011 E.012 <.004 <.010 <.011 <.023 .162 E.010
JUL
11... E.001 <.007 <.002 <.010 <.006 <.011 E.015 <.004 <.010 <.011 <.023 .095 E.011
AUG
02... <.003 <.007 <.002 <.010 <.006 <.011 .018 <.004 <.010 <.011 <.023 .044 E.009
02... -- -- -- -- -- -- -- -- -- -- -- -- --
22... <.003 <.007 <.002 <.010 <.006 <.011 E.011 <.004 <.010 <.011 <.023 .014 <.016
22... <.003 <.007 <.002 <.010 <.006 <.011 E.011 <.004 <.010 <.011 <.023 .014 <.016
SEP
05... <.003 <.007 <.002 <.010 <.006 <.011 .018 <.004 <.010 <.011 <.023 .016 E.016

TER- TER- THIO- TRIAL- SED.
BACIL BUFOS BENCARB LATE SUSP.
WATER WATER WATER WATER SIEVE SEDI-
FLTRD FLTRD FLTRD FLTRD DIAM. MENT,
0.7 U 0.7 U 0.7 U 0.7 U % FINER SUS-
DATE GF, REC GF, REC GF, REC GF, REC THAN PENDED
(UG/L) (UG/L) (UG/L) (UG/L) .062 MM (MG/L)
(82665) (82675) (82681) (82678) (70331) (80154)
NOV
30... <.034 <.017 <.005 <.002 93 19
30... -- -- -- -- -- --
DEC
20... <.034 <.017 <.005 <.002 90 431
JAN
31... <.034 <.017 <.005 <.002 97 37
31... <.034 <.017 <.005 <.002 -- --
FEB
21... <.034 <.017 <.005 <.002 92 217
MAR
14... <.034 <.017 <.005 <.002 99 57
14... -- -- -- -- -- --
28... <.034 <.017 <.005 <.002 98 87
APR
05... <.034 <.017 <.005 <.002 99 97
05... -- -- -- -- -- --
18... <.034 <.017 <.005 <.002 98 125
MAY
02... <.034 <.017 <.005 <.002 100 18
02... <.034 <.017 <.005 <.002 -- --
23... <.034 <.017 <.005 <.002 98 85
23... <.034 <.017 <.005 <.002 -- --
JUN
27... <.034 <.017 <.005 <.002 98 12
JUL
11... <.034 <.017 <.005 <.002 98 43
AUG
02... <.034 <.017 <.005 <.002 99 102
02... -- -- -- -- -- --
22... <.034 <.017 <.005 <.002 99 29
22... <.034 <.017 <.005 <.002 -- --
SEP
05... <.034 <.017 <.005 <.002 -- --

<</td> Less than
E Estimated
M Presence of material verified but not quantified


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data