Station list     Available data
OHIO RIVER BASIN


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



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, 693 microsiemens, Nov. 25, 1968; minimum daily, 170 microsiemens, Feb. 9, 1957.
WATER TEMPERATURE: Maximum daily, 31.0C, July 15, 1964, July 17-21, 25, 1977; minimum daily, 0.0C, on several days during most winter months.
WATER-QUALITY DATA
DIS- UV PH OXYGEN,
CHARGE, ABSORB- SPE- WATER DIS- HARD-
INST. ANCE CIFIC WHOLE SOLVED NESS
CUBIC 254 NM, CON- FIELD TEMPER- TUR- OXYGEN, (PER- TOTAL
SAMPLE FEET WTR FLT DUCT- (STAND- ATURE BID- DIS- CENT (MG/L
DATE TIME TYPE PER (UNITS ANCE ARD WATER ITY SOLVED SATUR- AS
SECOND /CM) (US/CM) UNITS) (DEG C) (NTU) (MG/L) ATION) CACO3)
(00061) (50624) (00095) (00400) (00010) (00076) (00300) (00301) (00900)
NOV
23... 1230 ENVIRONMENTAL 65400 .055 333 7.7 15.0 4.2 9.9 99 100
DEC
16... 1220 ENVIRONMENTAL 231000 .066 442 7.7 9.0 25    10.6 92 140
16... 1228 FIELD BLANK -- --        -- --    --    --    --    -- --
FEB
25... 1220 ENVIRONMENTAL 666000 .117 265 7.3 8.0 170    10.9 92 98
MAR
22... 1130 ENVIRONMENTAL 247000 .101 302 7.5 11.5 60    10.2 93 120
APR
05... 1230 ENVIRONMENTAL 361000 .073 249 7.5 14.0 28    11.9 116 95
05... 1240 REPLICATE -- .075 -- --    --    36    --    -- 96
26... 1220 ENVIRONMENTAL 353000 .101 274 7.4 14.5 30    9.4 93 120
26... 1228 FIELD BLANK -- --        -- --    --    --    --    -- --
MAY
10... 1230 ENVIRONMENTAL 156000 .067 295 7.6 20.0 5.9 --    -- 120
24... 1240 ENVIRONMENTAL 90300 .088 357 7.7 23.0 26    8.8 105 140
24... 1248 FIELD BLANK -- --        -- --    --    --    --    -- --
JUN
12... 1650 ENVIRONMENTAL 126000 .085 388 7.7 26.5 6.0 8.4 105 150
12... 1658 FIELD BLANK -- --        -- --    --    --    --    -- M
28... 1210 ENVIRONMENTAL 134000 .100 338 7.3 27.0 29    5.7 72 130
JUL
12... 1040 ENVIRONMENTAL 66700 .096 327 7.2 29.0 24    5.8 76 120
12... 1050 REPLICATE -- .099 -- --    --    21    --    -- 120
AUG
14... 1720 ENVIRONMENTAL 174000 .108 316 7.6 28.5 27    5.8 76 120
SEP
12... 1300 ENVIRONMENTAL 126000 .085 293 7.5 27.0 1.0 6.9 88 100
BICAR- ALKA- SOLIDS,
MAGNE- POTAS- BONATE LINITY CHLO- FLUO- SILICA, RESIDUE
CALCIUM SIUM, SODIUM, SIUM, WATER WAT DIS RIDE, SULFATE RIDE, DIS- AT 180 NITRO-
DIS- DIS- DIS- DIS- DIS IT TOT IT DIS- DIS- DIS- SOLVED DEG. C GEN,
SOLVED SOLVED SOLVED SOLVED FIELD FIELD SOLVED SOLVED SOLVED (MG/L DIS- TOTAL
DATE (MG/L (MG/L (MG/L (MG/L MG/L AS MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L
AS CA) AS MG) AS NA) AS K) HCO3 CACO3 AS CL) AS SO4) AS F) SIO2) (MG/L) AS N)
(00915) (00925) (00930) (00935) (00453) (39086) (00940) (00945) (00950) (00955) (70300) (00600)
NOV
23... 26        9.0     25        2.9 77 63 27 47 .19 3.8     186 .96
DEC
16... 37        11        34        3.5 91 75 40 82 .24 3.7     280 1.7  
16... .003 <.001 <.025 --    -- -- -- -- --      <.020 -- --     
FEB
25... 29        6.4     12        2.5 76 62 17 34 .12 4.4     157 2.7  
MAR
22... 33        8.0     14        2.0 81 67 19 43 .12 4.2     181 2.0  
APR
05... 28        6.0     11        1.8 89 73 13 27 .15 2.9     149 1.4  
05... 28        6.0     11        1.8 86 71 12 27 .15 2.9     151 1.4  
26... 33        8.1     11        2.2 84 69 16 41 <.10 5.3     174 1.9  
26... --        --        --        --    -- -- -- -- --      --        -- --     
MAY
10... 35        8.4     11        1.9 100 82 13 41 .13 4.0     183 1.3  
24... 37        11        14        2.5 104 85 19 51 .11 2.5     205 1.8  
24... --        --        --        --    -- -- -- -- --      --        -- --     
JUN
12... 42        12        16        2.5 108 88 21 54 .19 2.8     225 2.7  
12... .015 .002 <.025 --    -- -- -- -- --      <.020 -- --     
28... 35        9.7     14        3.0 100 82 18 44 <.10 4.5     199 2.6  
JUL
12... 34        9.7     13        2.9 91 75 16 42 .15 4.1     189 2.2  
12... 34        9.6     13        2.9 -- -- 17 42 .14 4.3     200 2.2  
AUG
14... 31        9.4     14        2.9 86 70 15 44 .22 5.1     188 1.3  
SEP
12... 28        8.4     14        3.0 87 71 15 37 .16 3.7     160 .89
NITRO- NITRO- NITRO- NITRO- NITRO- NITRO- NITRO- PHOS-
NITRO- NITRO- GEN, GEN, GEN, GEN, GEN, GEN,AM- GEN,AM- PHOS- PHATE,
GEN GEN, ORGANIC NITRITE NO2+NO3 AMMONIA NITRATE MONIA + MONIA + PHOS- PHORUS ORTHO,
DIS- ORGANIC DIS- DIS- DIS- DIS- DIS- ORGANIC ORGANIC PHORUS DIS- DIS-
SOLVED TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED DIS. TOTAL TOTAL SOLVED SOLVED
DATE (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 N) AS N) AS N) AS P) AS P) AS PO4)
(00602) (00605) (00607) (00613) (00631) (00608) (00618) (00623) (00625) (00665) (00666) (00660)
NOV
23... .81 .32 .17 .014 .582 .057 .568 .23 .38 .062 .042 .07
DEC
16... 1.5   .50 .28 .014 1.07   .130 1.06   .41 .63 .149 .052 .10
16... --      --      --      <.001 <.005 <.002 --        --      --      --        --        --     
FEB
25... 1.7   1.3   .25 .013 1.35   .079 1.33   .33 1.4   .549 .044 .12
MAR
22... 1.6   .67 .29 .024 1.27   .045 1.25   .34 .72 .216 .034 .09
APR
05... 1.1   .44 .21 .013 .891 .026 .878 .23 .46 .180 .036 .10
05... 1.1   .50 .20 .014 .906 .025 .892 .23 .52 .172 .037 .11
26... 1.6   .51 .18 .012 1.35   .020 1.34   .20 .53 .161 .038 .10
26... --      --      --      --        --        --        --        --      --      --        --        --     
MAY
10... 1.2   --      --      .013 .954 <.020 .941 .20 .36 .074 .024 .05
24... 1.6   --      --      .017 1.33   <.020 1.31   .26 .49 .103 .030 .06
24... --      --      --      --        --        --        --        --      --      --        --        --     
JUN
12... 2.6   .41 .26 .011 2.31   .024 2.30   .28 .43 .078 .037 .08
12... --      --      --      <.001 <.005 .002 --        --      --      --        --        --     
28... 2.4   --      --      .019 2.08   <.020 2.06   .31 .48 .128 .068 .16
JUL
12... 2.0   .44 .29 .016 1.73   .026 1.71   .32 .47 .110 .066 .16
12... 2.0   .47 .26 .017 1.72   .029 1.70   .29 .50 .110 .067 .16
AUG
14... 1.1   --      --      .015 .825 <.020 .810 .31 .46 .125 .065 .16
SEP
12... .74 --      --      .089 .492 <.020 .403 .25 .40 .106 .060 .16
NITRO- NITRO- NITRO- PHOS-
GEN, GEN, GEN, PHORUS ALUM- ANTI- BERYL- CHRO-
AMMONIA NITRATE NITRITE ORTHO, INUM, MONY, ARSENIC BARIUM, LIUM, BORON, CADMIUM MIUM,
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (MG/L (MG/L (MG/L (MG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L
AS NH4) AS NO3) AS NO2) AS P) AS AL) AS SB) AS AS) AS BA) AS BE) AS B) AS CD) AS CR)
(71846) (71851) (71856) (00671) (01106) (01095) (01000) (01005) (01010) (01020) (01025) (01030)
NOV
23... .07 2.5 .05 .022 --      --      <2 --      --      63    --      --     
DEC
16... .17 4.7 .05 .033 --      --      <2 --      --      83    --      --     
16... --      --    --      <.001 <.30 <.20 -- <.20 <.20 <2.0 <.30 <.20
FEB
25... .10 5.9 .04 .038 11      <1.0   E1 32      <1.0   34    <1.0   <1.0  
MAR
22... .06 5.5 .08 .030 --      --      <2 --      --      33    --      --     
APR
05... .03 3.9 .04 .034 --      --      <2 --      --      23    --      --     
05... .03 3.9 .05 .035 --      --      <2 --      --      24    --      --     
26... .03 5.9 .04 .032 7.9   <1.0   E1 30      <1.0   31    <1.0   <.80
26... --      --    --      --        --      --      -- --      --      --    --      --     
MAY
10... --      4.2 .04 .017 --      --      <2 --      --      35    --      --     
24... --      5.8 .06 .020 --      --      <2 --      --      56    --      --     
24... --      --    --      --        --      --      -- --      --      --    --      --     
JUN
12... .03 10    .04 .027 --      --      E1 --      --      49    --      --     
12... M --    --      <.001 2.7   <.20 -- <.20 <.20 <2.0 <.30 <.20
28... --      9.1 .06 .051 8.5   <1.0   <2 38      <1.0   37    <1.0   <.80
JUL
12... .03 7.6 .05 .051 --      --      <2 --      --      50    --      --     
12... .04 7.5 .06 .051 --      --      E1 --      --      52    --      --     
AUG
14... --      3.6 .05 .051 4.6   <1.0   E1 32      <1.0   56    <1.0   <.80
SEP
12... --      1.8 .29 .051 --      --      E2 --      --      58    --      --     
MANGA- MOLYB- SELE- STRON- THAL-
COBALT, COPPER, IRON, LEAD, LITHIUM NESE, DENUM, NICKEL, NIUM, SILVER, TIUM, LIUM,
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L
AS CO) AS CU) AS FE) AS PB) AS LI) AS MN) AS MO) AS NI) AS SE) AS AG) AS SR) AS TL)
(01035) (01040) (01046) (01049) (01130) (01056) (01060) (01065) (01145) (01075) (01080) (01057)
NOV
23... --      --      22    --      7 --      --      --      <2 --      150      --     
DEC
16... --      --      <10    --      8 --      --      --      <2 --      221      --     
16... <.20 <.20 <3.0 <.30 -- <.10 <.20 <.50 -- <.20 <.10 <.10
FEB
25... <1.0   1.4   19    <1.0   E4 7.4   1.6   1.7   <2 <1.0   134      --     
MAR
22... --      --      12    --      E2 --      --      --      <2 --      150      --     
APR
05... --      --      <10    --      <4 --      --      --      <2 --      112      --     
05... --      --      <10    --      E2 --      --      --      <2 --      112      --     
26... <1.0   1.6   20    <1.0   E3 <1.0   1.6   <1.0   <2 <1.0   158      --     
26... --      --      --    --      -- --      --      --      -- --      --      --     
MAY
10... --      --      <10    --      E3 --      --      --      <2 --      157      --     
24... --      --      E6.2 --      4 --      --      --      <2 --      174      --     
24... --      --      --    --      -- --      --      --      -- --      --      --     
JUN
12... --      --      <10    --      5 --      --      --      <2 --      213      --     
12... <.20 <.20 <3.0 <.30 -- <.10 <.20 <.50 -- <.20 <.10 <.10
28... <1.0   2.1   <10    <1.0   4 <1.0   2.5   1.6   <2 <1.0   183      --     
JUL
12... --      --      <10    --      E3 --      --      --      E1 --      174      --     
12... --      --      <10    --      E3 --      --      --      <2 --      181      --     
AUG
14... <1.0   1.8   <10    <1.0   4 <1.0   2.8   1.9   <2 <1.0   167      --     
SEP
12... --      --      <10    --      E2 --      --      --      <2 --      129      --     
VANA- URANIUM CARBON, ORGANIC ALA- ACETO- ATRA- BUTYL-
DIUM, ZINC, NATURAL ORGANIC SUS- CHLOR, CHLOR, ZINE, ALPHA ATE, CHLOR-
DIS- DIS- DIS- DIS- PENDED WATER, WATER WATER, BHC WATER, PYRIFOS
SOLVED SOLVED SOLVED SOLVED TOTAL DISS, FLTRD DISS, DIS- DISS, DIS-
DATE (UG/L (UG/L (UG/L (MG/L (MG/L REC, REC REC SOLVED REC SOLVED
AS V) AS ZN) AS U) AS C) AS C) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(01085) (01090) (22703) (00681) (00689) (46342) (49260) (39632) (34253) (04028) (38933)
NOV
23... <10 --      --      2.5   .40 <.002 <.0020 .079 <.0020 <.0020 .0068
DEC
16... <10 --      --      2.8   .60 <.002 <.0020 .204 <.0020 <.0020 E.0030
16... -- <.50 <.20 --      --      --        --          --        --          --          --         
FEB
25... <10 2.8   <1.0   3.8   4.9   <.002 <.0020 .053 <.0020 <.0020 .0049
MAR
22... <10 --      --      3.2   1.5   <.002 E.0320 .319 <.0020 <.0020 .0075
APR
05... <10 --      --      2.8   1.4   <.002 <.0020 .065 <.0020 <.0020 .0091
05... <10 --      --      2.7   1.4   <.002 .0059 .065 <.0020 <.0020 <.0040
26... <10 1.9   <1.0   3.3   1.1   .008 .0868 1.05   <.0020 <.0020 <.0040
26... -- --      --      <.33 <.20 <.002 <.0020 <.001 <.0020 <.0020 E.0033
MAY
10... <10 --      --      2.6   .67 <.002 .0497 .474 <.0020 <.0020 .0048
24... <10 --      --      3.1   1.2   .019 .210   2.56   <.0020 <.0020 .0058
24... -- --      --      <.33 <.20 --        --          --        --          --          --         
JUN
12... <10 --      --      3.2   .56 .037 .244   1.99   <.0020 <.0020 <.0040
12... -- .61 <.20 --      --      --        --          --        --          --          --         
28... <10 3.3   <1.0   3.4   .58 .029 .127   1.45   <.0020 <.0020 E.0033
JUL
12... <10 --      --      3.7   .55 .009 .0630 .789 <.0020 <.0020 E.0033
12... <10 --      --      3.5   .51 .006 .0609 .760 <.0020 <.0020 E.0030
AUG
14... <10 4.1   <1.0   4.3   .80 <.005 .0108 .170 <.0020 <.0020 <.0050
SEP
12... <10 --      --      3.1   .53 <.002 .0072 .107 <.0020 <.0020 <.0040
DEETHYL
CYANA- ATRA- METRI-
ZINE, ZINE, DI- DI- FONOFOS MALA- BUZIN METO- PARA-
WATER, WATER, AZINON, ELDRIN WATER LINDANE THION, SENCOR LACHLOR P,P' THION,
DISS, DISS, DIS- DIS- DISS DIS- DIS- WATER WATER DDE DIS-
DATE REC REC SOLVED SOLVED REC SOLVED SOLVED DISSOLV DISSOLV DISSOLV SOLVED
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(04041) (04040) (39572) (39381) (04095) (39341) (39532) (82630) (39415) (34653) (39542)
NOV
23... .0089 E.0230 <.002 <.001 <.0030 <.004 <.005 <.004 .018 <.0060 <.004
DEC
16... .0089 E.0298 <.002 <.001 <.0030 <.004 <.005 <.004 .030 <.0060 <.004
16... --          --          --        --        --          --        --        --        --        --          --       
FEB
25... .0065 E.0179 <.002 <.001 <.0030 <.004 <.005 <.004 .031 <.0060 <.004
MAR
22... .0063 E.0309 E.002 <.001 <.0030 <.004 <.005 <.004 .050 <.0060 <.004
APR
05... <.0040 E.0174 <.002 <.001 <.0030 <.004 <.005 <.004 .020 <.0060 <.004
05... <.0040 E.0191 <.002 <.001 <.0030 <.004 <.005 <.004 .020 <.0060 <.004
26... .0085 E.0580 .006 <.001 <.0030 <.004 <.005 .016 .164 <.0060 <.004
26... <.0040 <.0020 <.002 <.001 <.0030 <.004 <.005 <.004 <.002 <.0060 <.004
MAY
10... E.0068 E.0480 E.003 <.001 <.0030 <.004 <.005 <.004 .102 <.0060 <.004
24... .0273 E.310   .005 <.001 <.0030 <.004 <.005 .018 .501 <.0060 <.004
24... --          --          --        --        --          --        --        --        --        --          --       
JUN
12... .0358 E.236   .007 <.001 <.0030 <.004 <.005 .017 .499 <.0060 <.004
12... --          --          --        --        --          --        --        --        --        --          --       
28... .0145 E.232   .005 <.001 <.0030 <.004 E.004 .015 .453 <.0060 <.004
JUL
12... .0135 E.215   .005 <.001 <.0030 <.004 <.005 .008 .252 <.0060 <.004
12... .0135 E.155   .004 <.001 <.0030 <.004 <.005 .007 .230 <.0060 <.004
AUG
14... <.0040 E.0602 .004 <.001 <.0030 <.004 <.005 <.004 .035 <.0060 <.004
SEP
12... <.0100 E.0433 E.003 <.001 <.0030 <.004 <.005 <.004 .020 <.0060 <.004
BEN- CAR- CARBO- 2,6-DI- DISUL- ETHAL- PENDI-
PROP- PRO- SI- FLUR- BARYL FURAN DCPA ETHYL FOTON FLUR- METH-
CHLOR, METON, MAZINE, ALIN WATER WATER WATER ANILINE WATER ALIN ALIN
WATER, WATER, WATER, WAT FLD FLTRD FLTRD FLTRD WAT FLT FLTRD WAT FLT WAT FLT
DISS, DISS, DISS, 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U
DATE REC REC REC GF, REC GF, REC GF, 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) (UG/L)
(04024) (04037) (04035) (82673) (82680) (82674) (82682) (82660) (82677) (82663) (82683)
NOV
23... <.0070 E.0160 .0187 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
DEC
16... <.0070 E.0149 .0382 <.0020 <.0030 E.0159 <.0020 <.0030 <.0170 <.0040 <.0040
16... --          --          --          --          --          --          --          --          --          --          --         
FEB
25... <.0070 <.0180 .0313 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
MAR
22... <.0070 <.0180 .194   <.0020 <.0030 <.0250 <.0020 <.0030 <.0170 <.0040 <.0040
APR
05... <.0070 E.0142 .0212 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
05... <.0070 E.0071 .0216 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
26... <.0070 E.0076 .133   <.0020 <.0030 <.0100 <.0020 <.0030 <.0170 <.0040 <.0040
26... <.0070 <.0180 <.0050 <.0020 <.0030 <.0075 <.0020 <.0030 <.0170 <.0040 <.0040
MAY
10... <.0070 E.0058 .0813 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
24... <.0070 .0186 .510   <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
24... --          --          --          --          --          --          --          --          --          --          --         
JUN
12... <.0070 .0208 .131   <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
12... --          --          --          --          --          --          --          --          --          --          --         
28... <.0070 .0213 .204   <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
JUL
12... <.0070 E.0151 .112   <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
12... <.0070 .0202 .109   E.0011 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
AUG
14... <.0070 E.0170 .0290 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
SEP
12... <.0070 E.0140 .0191 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
ETHO- LIN- METHYL METHYL MOL- NAPROP- PEB- PER- PRON-
PROP EPTC URON AZIN- PARA- INATE AMIDE ULATE METHRIN PHORATE AMIDE
WATER WATER WATER PHOS THION WATER WATER WATER CIS WATER WATER
FLTRD FLTRD FLTRD WAT FLT WAT FLT FLTRD FLTRD FILTRD WAT FLT FLTRD FLTRD
0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U
DATE GF, REC GF, REC GF, REC GF, REC GF, REC GF, 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) (UG/L)
(82672) (82668) (82666) (82686) (82667) (82671) (82684) (82669) (82687) (82664) (82676)
NOV
23... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
DEC
16... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
16... --          --          --          --          --          --          --          --          --          --          --         
FEB
25... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
MAR
22... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
APR
05... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
05... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
26... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
26... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
MAY
10... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
24... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
24... --          --          --          --          --          --          --          --          --          --          --         
JUN
12... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
12... --          --          --          --          --          --          --          --          --          --          --         
28... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
JUL
12... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
12... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
AUG
14... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
SEP
12... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
PRO- PRO- TEBU- TER- TER- TRIAL- TRI- THIO- SEDI- SED.
PANIL PARGITE THIURON BACIL BUFOS LATE FLUR- BENCARB MENT, SUSP.
WATER WATER WATER WATER WATER WATER ALIN WATER SEDI- DIS- SIEVE
FLTRD FLTRD FLTRD FLTRD FLTRD FLTRD WAT FLT FLTRD MENT, CHARGE, DIAM.
0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U SUS- SUS- % FINER
DATE GF, REC GF, REC GF, REC GF, REC GF, REC GF, REC GF, REC GF, REC PENDED PENDED THAN
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (MG/L) (T/DAY) .062 MM
(82679) (82685) (82670) (82665) (82675) (82678) (82661) (82681) (80154) (80155) (70331)
NOV
23... <.0040 <.0130 E.0266 <.0070 <.0130 <.0010 <.0020 <.0020 3 530 95
DEC
16... <.0040 <.0130 E.0091 <.0070 <.0130 <.0010 <.0020 <.0020 72 44900 92
16... --          --          --          --          --          --          --          --          -- -- --
FEB
25... <.0040 <.0130 <.0100 <.0070 <.0130 <.0010 <.0020 <.0020 381 685000 89
MAR
22... <.0040 <.0130 <.0100 <.0070 <.0130 <.0010 <.0020 <.0020 147 98000 93
APR
05... <.0040 <.0130 E.0210 <.0070 <.0130 <.0010 <.0020 <.0020 121 118000 83
05... <.0040 <.0130 E.0162 <.0070 <.0130 <.0010 <.0020 <.0020 -- -- --
26... <.0040 <.0130 .0141 <.0070 <.0130 <.0010 <.0020 <.0020 91 86700 95
26... <.0040 <.0130 <.0100 <.0070 <.0130 <.0010 <.0020 <.0020 -- -- --
MAY
10... <.0040 <.0130 E.0097 <.0070 <.0130 <.0010 <.0020 <.0020 11 4630 98
24... <.0040 <.0130 .0144 <.0070 <.0130 <.0010 <.0020 <.0020 56 13700 99
24... --          --          --          --          --          --          --          --          -- -- --
JUN
12... <.0040 <.0130 <.0200 <.0070 <.0130 <.0010 <.0020 <.0020 19 6460 99
12... --          --          --          --          --          --          --          --          -- -- --
28... <.0040 <.0130 E.0140 <.0070 <.0130 <.0010 <.0020 <.0020 49 17700 100
JUL
12... <.0040 <.0130 .0154 <.0070 <.0130 <.0010 <.0020 <.0020 20 3600 99
12... <.0040 <.0130 E.0140 <.0070 <.0130 <.0010 E.0006 <.0020 -- -- --
AUG
14... <.0040 <.0130 .0130 <.0070 <.0130 <.0010 <.0020 <.0020 44 20700 99
SEP
12... <.0040 <.0130 .0154 <.0070 <.0130 <.0010 <.0020 <.0020 25 8500 98


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data