Station list     Available data
OHIO RIVER BASIN


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

(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.--Water years 1955 to current year.

PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: October 1954 to September 1970, January 1973 to September 1990.
WATER TEMPERATURES: October 1954 to September 1970, January 1973 to September 1990.

REMARKS.--Records of daily discharge are published for station at Metropolis, IL, (station 03611500). Flow regulated by many days dams and reservoirs.

EXTREMES FOR PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: Maximum daily, 693 microsiemens, Nov. 25, 1968; minimum daily, 170 microsiemens, Feb. 9, 1957, Jan. 21, 1973.
WATER TEMPERATURES: 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, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
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
13... 1110 ENVIRONMENTAL 160000 --        381 7.7 14.5 10    8.9 86 140
DEC
17... 1220 ENVIRONMENTAL 226000 --        290 7.8 11.0 22    11.6 104 97
JAN
28... 1240 ENVIRONMENTAL 941000 --        254 7.4 8.5 99    11.8 100 99
28... 1248 FIELD BLANK -- --        -- --    --    --    --    -- 0
MAR
16... 1140 ENVIRONMENTAL 660000 .087 270 7.5 6.0 40    12.6 101 110
APR
14... 1250 ENVIRONMENTAL 248000 .090 356 7.5 15.7 28    9.2 92 140
14... 1300 REPLICATE 248000 .095 356 7.5 15.7 28    9.2 92 140
27... 1300 ENVIRONMENTAL 319000 .065 367 7.5 16.0 85    9.2 94 150
27... 1308 FIELD BLANK -- --        -- --    --    --    --    -- --
MAY
12... 1240 ENVIRONMENTAL 354000 .077 278 7.4 21.0 14    9.4 105 110
12... 1248 FIELD BLANK -- --        278 7.4 --    --    --    -- --
25... 1300 ENVIRONMENTAL 185000 .078 354 7.5 23.0 12    8.1 94 140
25... 1308 FIELD BLANK -- --        354 7.5 --    --    --    -- --
JUN
09... 1400 ENVIRONMENTAL 182000 .083 334 7.4 27.5 8.7 6.2 78 130
09... 1408 FIELD BLANK -- --        -- --    --    --    --    -- --
24... 1200 ENVIRONMENTAL 124000 .065 320 7.9 26.5 15    8.0 100 120
JUL
08... 1140 ENVIRONMENTAL 174000 .143 210 7.4 29.5 8.2 6.8 90 78
08... 1330 ENVIRONMENTAL 174000 .085 222 7.6 29.5 8.5 7.2 94 84
26... 1030 REPLICATE -- .072 -- --    --    12    --    -- 77

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
13... 36        13        21        3.1 98 80 23 59 .18 3.5     229 .90
DEC
17... 27        7.0     15        2.3 88 72 16 32 <.10 4.4     160 .83
JAN
28... 29        6.7     15        2.4 76 62 19 34 .11 5.1     164 2.0  
28... .008 .001 <.025 --    -- -- -- -- --      <.020 -- --     
MAR
16... 31        7.7     9.4     2.0 81 66 13 35 .10 5.2     162 1.9  
APR
14... 37        11        14        2.2 100 82 19 52 .13 4.1     210 1.7  
14... 38        11        14        2.2 100 82 20 54 .13 4.1     211 1.7  
27... 40        11        16        2.0 87 71 22 56 .15 3.7     222 2.7  
27... --        --        --        --    -- -- -- -- --      --        -- --     
MAY
12... 30        7.9     10        1.8 82 67 13 35 .11 3.3     154 1.5  
12... --        --        --        --    -- 66 -- -- --      --        -- --     
25... 37        10        12        2.2 110 90 16 45 .14 3.1     207 1.9  
25... --        --        --        --    -- 82 -- -- --      --        -- --     
JUN
09... 34        10        12        2.5 108 -- 17 38 .16 3.3     212 2.2  
09... .004 <.001 <.025 --    -- -- -- -- --      <.020 -- --     
24... 33        9.5     13        2.3 -- -- 15 36 .15 .76   187 1.5  
JUL
08... 22        5.8     9.0     2.3 -- -- 11 24 .11 1.9     121 .88
08... 23        6.3     9.5     2.3 -- -- 11 26 .12 1.8     124 .94
26... 21        6.0     11        2.3 -- -- 12 25 <.10 2.1     121 .70
26... 21        6.1     10        2.3 -- -- 11 25 <.10 2.0     120 .67

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
13... .90 .23 .23 .029 .553 .119 .524 .35 .35 .055 .040 .10
DEC
17... .77 .28 .21 .013 .465 .091 .452 .31 .37 .129 E.034 .13
JAN
28... 1.6   .65 .26 .012 1.27   .079 1.26   .34 .73 .317 .053 .15
28... --      --      --      <.001 .005 <.002 --        --      --      --        --        .00
MAR
16... 1.7   .43 .18 .012 1.48   .039 1.46   .22 .47 .149 .036 .10
APR
14... 1.5   .41 .22 .013 1.22   .043 1.21   .26 .46 .118 .033 .09
14... 1.5   .43 .22 .013 1.23   .035 1.21   .25 .46 .120 .034 .09
27... 2.5   --      --      .016 2.25   <.020 2.23   .23 .42 .108 .037 .10
27... --      --      --      --        --        --        --        --      --      --        --        --     
MAY
12... 1.3   .37 .17 .019 1.07   .039 1.05   .21 .41 .073 .031 .07
12... --      --      --      --        --        --        --        --      --      --        --        --     
25... 1.6   .39 .17 .019 1.40   .059 1.38   .23 .45 .056 .028 .06
25... --      --      --      --        --        --        --        --      --      --        --        --     
JUN
09... 2.0   .51 .30 .069 1.64   .068 1.57   .37 .58 .086 .047 .12
09... --      --      --      <.001 .005 .006 --        --      --      --        --        .00
24... 1.3   --      --      .022 1.03   <.020 1.01   .27 .45 .070 .022 .05
JUL
08... .62 --      --      .022 .407 <.020 .385 .21 .47 .085 .024 .06
08... .69 --      --      .025 .466 <.020 .441 .23 .48 .088 .029 .07
26... .37 --      --      .017 .201 <.020 .184 .17 .50 .072 .024 .06
26... .37 --      --      .018 .197 <.020 .179 .17 .47 .070 .024 .05

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
13... .15 2.3   .10 .034 2.3   <1.0   2 41      <1.0   82    <1.0   <1.0  
DEC
17... .12 2.0   .04 .042 4.2   <1.0   1 28      <1.0   44    <1.0   <1.0  
JAN
28... .10 5.6   .04 .050 5.1   <1.0   <1 30      <1.0   27    <1.0   2.1  
28... --      --      --      .001 <.30 <.20 -- <.20 <.20 3.2 <.30 <.20
MAR
16... .05 6.5   .04 .032 --      --      <1 --      --      20    --      --     
APR
14... .06 5.4   .04 .029 --      --      <1 --      --      38    --      --     
14... .05 5.4   .04 .030 --      --      <1 --      --      38    --      --     
27... --      9.9   .05 .032 6.2   <1.0   <1 37      <1.0   41    <1.0   <1.0  
27... --      --      --      --        --      --      -- --      --      --    --      --     
MAY
12... .05 4.6   .06 .024 --      --      <1 --      --      37    --      --     
12... --      --      --      --        --      --      -- --      --      --    --      --     
25... .08 6.1   .06 .021 --      --      1 --      --      40    --      --     
25... --      --      --      --        --      --      -- --      --      --    --      --     
JUN
09... .09 6.9   .23 .039 3.8   <1.0   1 36      <1.0   40    <1.0   <1.0  
09... .01 --      --      .001 <.30 <.20 -- <.20 <.20 <2.0 <.30 <.20
24... --      4.5   .07 .016 7.9   <1.0   1 33      <1.0   45    <1.0   <1.0  
JUL
08... --      1.7   .07 .019 --      --      <1 --      --      43    --      --     
08... --      2.0   .08 .022 --      --      <1 --      --      42    --      --     
26... --      .81 .06 .018 --      --      <1 --      --      37    --      --     
26... --      .79 .06 .016 --      --      <1 --      --      39    --      --     

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
13... <1.0   1.4   <10    <1.0   E4 3.5   4.9   1.5   <1 <1.0   199      --     
DEC
17... <1.0   1.3   <10    <1.0   <6 6.6   2.6   1.5   <1 <1.0   118      --     
JAN
28... <1.0   1.7   13    <1.0   <6 3.8   1.1   1.8   <1 <1.0   121      --     
28... <.20 <.20 <3.0 <.30 -- <.10 <.20 <.50 -- <.20 .16 <.10
MAR
16... --      --      13    --      <6 --      --      --      <1 --      127      --     
APR
14... --      --      16    --      E5 --      --      --      <1 --      162      --     
14... --      --      <10    --      E5 --      --      --      <1 --      164      --     
27... <1.0   1.4   <10    <1.0   7 <1.0   2.4   1.7   <1 <1.0   190      --     
27... --      --      --    --      -- --      --      --      -- --      --      --     
MAY
12... --      --      <10    --      <6 --      --      --      <1 --      120      --     
12... --      --      --    --      -- --      --      --      -- --      --      --     
25... --      --      <10    --      E3 --      --      --      <1 --      153      --     
25... --      --      --    --      -- --      --      --      -- --      --      --     
JUN
09... <1.0   1.5   <10    <1.0   <6 2.5   2.3   1.3   2 <1.0   143      --     
09... <.20 <.20 <3.0 <.30 -- <.10 <.20 <.50 -- <.20 <.10 <.10
24... <1.0   1.4   E9.5 <1.0   <6 1.4   2.5   1.1   <1 <1.0   141      --     
JUL
08... --      --      E8.6 --      <6 --      --      --      <1 --      91      --     
08... --      --      <10    --      E3 --      --      --      <1 --      99      --     
26... --      --      <10    --      <6 --      --      --      <1 --      87      --     
26... --      --      <10    --      <6 --      --      --      <1 --      87      --     

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
13... <10 7.6   <1.0   2.4   .80 <.002 .0090 .162 <.0020 <.0020 <.0040
DEC
17... <10 3.0   <1.0   2.3   .80 <.002 <.0020 .115 <.0020 <.0020 <.0040
JAN
28... <10 1.6   <1.0   3.1   2.6   <.002 .0049 .069 <.0020 <.0020 <.0040
28... -- .69 <.20 --      --      --        --          --        --          --          --         
MAR
16... <10 --      --      2.5   .90 <.002 E.0036 .048 <.0020 <.0020 <.0040
APR
14... <10 --      --      2.6   1.0   <.002 .0124 .620 <.0020 <.0020 <.0040
14... <10 --      --      2.6   1.1   E.003 .0115 .608 <.0020 <.0020 <.0040
27... <10 1.4   <1.0   3.0   .60 .005 .0836 .642 <.0020 <.0020 <.0040
27... -- --      --      .30 <.20 --        --          --        --          --          --         
MAY
12... <10 --      --      2.7   .70 <.002 <.0020 <.001 <.0020 <.0020 <.0040
12... -- --      --      --      --      .013 .215   2.73   <.0020 <.0020 <.0040
25... <10 --      --      2.5   .20 .012 .247   2.20   <.0020 <.0020 .0048
25... -- --      --      <.10 <.20 --        --          --        --          --          --         
JUN
09... <10 8.3   <1.0   3.0   .70 --        --          --        --          --          --         
09... -- 1.5   <.20 --      --      --        --          --        --          --          --         
24... <10 2.4   <1.0   3.1   1.3   .015 .126   1.79   <.0020 <.0020 <.0040
JUL
08... <10 --      --      2.6   .70 .008 .0264 .616 <.0020 <.0020 <.0040
08... <10 --      --      2.7   .60 <.008 .0224 .566 <.0020 <.0020 <.0040
26... <10 --      --      2.7   .80 <.006 .0149 .476 <.0020 <.0020 <.0040
26... <10 --      --      2.8   1.1   <.006 <.0020 .484 <.0020 <.0020 <.0040

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
13... .0420 E.0434 <.002 <.001 <.0030 <.004 <.005 <.004 .041 <.0060 <.004
DEC
17... .0150 E.0375 <.002 <.001 <.0030 <.004 <.005 <.004 .032 <.0060 <.004
JAN
28... .0130 E.0213 <.002 <.001 <.0030 <.004 <.005 .005 .033 <.0060 <.004
28... --          --          --        --        --          --        --        --        --        --          --       
MAR
16... .0071 E.0133 <.002 <.001 <.0030 <.004 <.005 <.004 .018 <.0060 <.004
APR
14... .0683 E.0336 E.003 <.001 <.0030 <.004 <.005 .020 .084 <.0060 <.004
14... .0652 E.0327 <.002 <.001 <.0030 <.004 <.005 .019 .081 <.0060 <.004
27... .0454 E.0410 E.003 <.001 <.0030 <.004 <.005 .032 .291 <.0060 <.004
27... --          --          --        --        --          --        --        --        --        --          --       
MAY
12... <.0040 <.0020 <.002 <.001 <.0030 <.004 <.005 <.004 <.002 <.0060 <.004
12... .173   E.118   <.002 <.001 <.0030 <.004 <.005 .023 .473 <.0060 <.004
25... .102   E.0955 E.004 <.001 <.0030 <.004 <.005 .011 .505 <.0060 <.004
25... --          --          --        --        --          --        --        --        --        --          --       
JUN
09... --          --          --        --        --          --        --        --        --        --          --       
09... --          --          --        --        --          --        --        --        --        --          --       
24... E.124   E.317   <.002 <.001 <.0030 <.004 <.005 <.004 .440 <.0060 <.004
JUL
08... .0799 E.159   <.002 <.001 <.0030 <.004 <.005 <.004 .149 <.0060 <.004
08... .0660 E.156   E.002 <.001 <.0030 <.004 <.005 <.004 .146 <.0060 <.004
26... .127   E.0931 <.002 <.001 <.0030 <.004 <.005 <.004 .113 <.0060 <.004
26... .131   E.113   <.002 <.001 <.0030 <.004 <.005 <.004 .108 <.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
13... <.0070 E.0106 .0219 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
DEC
17... <.0070 <.0180 .0331 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
JAN
28... <.0070 <.0180 .0452 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
28... --          --          --          --          --          --          --          --          --          --          --         
MAR
16... <.0070 <.0180 .0115 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
APR
14... <.0070 E.0055 .358   <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
14... <.0070 E.0055 .344   <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
27... <.0070 E.0049 .0478 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
27... --          --          --          --          --          --          --          --          --          --          --         
MAY
12... <.0070 <.0180 <.0050 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
12... <.0070 E.0088 .557   <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
25... <.0070 E.0112 .285   <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
25... --          --          --          --          --          --          --          --          --          --          --         
JUN
09... --          --          --          --          --          --          --          --          --          --          --         
09... --          --          --          --          --          --          --          --          --          --          --         
24... <.0070 E.0117 .197   <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
JUL
08... <.0070 E.0119 .0759 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
08... <.0070 E.0118 .0721 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
26... <.0070 <.0180 .0654 <.0020 <.0030 <.0030 <.0020 <.0030 <.0170 <.0040 <.0040
26... <.0070 <.0180 .0636 <.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
13... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
DEC
17... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
JAN
28... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
28... --          --          --          --          --          --          --          --          --          --          --         
MAR
16... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
APR
14... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
14... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
27... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
27... --          --          --          --          --          --          --          --          --          --          --         
MAY
12... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
12... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
25... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
25... --          --          --          --          --          --          --          --          --          --          --         
JUN
09... --          --          --          --          --          --          --          --          --          --          --         
09... --          --          --          --          --          --          --          --          --          --          --         
24... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
JUL
08... <.0030 <.0020 <.0020 <.0010 <.0060 <.0040 <.0030 <.0040 <.0050 <.0020 <.0030
08... <.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

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
13... <.0040 <.0130 .0171 <.0070 <.0130 <.0010 <.0020 <.0020 32 13800 99
DEC
17... <.0040 <.0130 .0139 <.0070 <.0130 <.0010 <.0020 <.0020 61 37200 88
JAN
28... <.0040 <.0130 E.0083 <.0070 <.0130 <.0010 <.0020 <.0020 192 488000 90
28... --          --          --          --          --          --          --          --          -- -- --
MAR
16... <.0040 <.0130 E.0095 <.0070 <.0130 <.0010 <.0020 <.0020 79 141000 84
APR
14... <.0040 <.0130 <.0100 <.0070 <.0130 <.0010 <.0020 <.0020 56 37500 99
14... <.0040 <.0130 <.0100 <.0070 <.0130 <.0010 <.0020 <.0020 -- -- --
27... <.0040 <.0130 <.0100 <.0070 <.0130 <.0010 <.0020 <.0020 62 53400 99
27... --          --          --          --          --          --          --          --          -- -- --
MAY
12... <.0040 <.0130 <.0100 <.0070 <.0130 <.0010 <.0020 <.0020 23 22000 98
12... <.0040 <.0130 .0102 <.0070 <.0130 <.0010 <.0020 <.0020 -- -- --
25... <.0040 <.0130 E.0079 <.0070 <.0130 <.0010 <.0020 <.0020 12 5990 98
25... --          --          --          --          --          --          --          --          -- -- --
JUN
09... --          --          --          --          --          --          --          --          28 13800 100
09... --          --          --          --          --          --          --          --          -- -- --
24... <.0040 <.0130 .0128 <.0070 <.0130 <.0010 <.0020 <.0020 20 6700 99
JUL
08... <.0040 --          E.0170 <.0070 <.0130 <.0010 <.0020 <.0020 30 14100 99
08... <.0040 --          E.0152 <.0070 <.0130 <.0010 <.0020 <.0020 33 15500 99
26... <.0040 <.0130 E.0231 <.0070 <.0130 <.0010 <.0020 <.0020 18 5830 99
26... <.0040 <.0130 E.0219 <.0070 <.0130 <.0010 <.0020 <.0020 -- -- --



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data