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" (NAD of 1927), Pulaski County, Hydrologic Unit 05140206, at auxiliary gaging station, 0.5 mi upstream from Gar Creek, 3.0 mi southwest of Grand Chain, IL, 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.-- Records of daily discharge are available 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 2001 TO SEPTEMBER 2002
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) (US/CM) (DEG C) CACO3)
(00061) (99872) (50624) (61726) (00300) (00301) (00400) (00095) (00010) (00900)
NOV
20... 1250 ENVIRONMENTAL 85300 13    .093 .065 10.6 101 7.6 398 13.5 160
DEC
07... 1150 ENVIRONMENTAL 328000 59    .140 .107 9.2 86 7.3 306 12.0 120
JAN
30... 1410 ENVIRONMENTAL 766000 140    .086 .065 12.6 109 7.7 271 8.5 110
30... 1420 REPLICATE -- 140    .087 .067 --    -- --    -- --    110
FEB
13... 1410 ENVIRONMENTAL 318000 63    .100 .075 11.6 95 7.7 302 7.0 120
13... 1418 FIELD BLANK -- --    <.004 <.004 --    -- --    -- --    --
MAR
06... 1400 ENVIRONMENTAL 186000 32    .078 .057 12.8 101 7.9 401 5.5 160
20... 1330 ENVIRONMENTAL 659000 81    .084 .063 12.2 110 7.8 310 10.5 130
20... 1338 FIELD BLANK -- --    --        --        --    -- --    -- --    --
APR
10... 1420 ENVIRONMENTAL 460000 100    .086 .064 10.4 95 7.4 316 12.0 130
25... 1320 ENVIRONMENTAL 470000 110    .105 .078 --    -- 7.7 -- --    130
25... 1328 FIELD BLANK -- --    --        --        --    -- --    -- --    --
MAY
07... 1410 ENVIRONMENTAL 694000 100    .111 .083 8.4 89 7.3 223 18.0 100
29... 1400 ENVIRONMENTAL 611000 52    .124 .092 7.5 83 7.3 287 20.0 130
JUN
12... 1510 ENVIRONMENTAL 376000 83    .081 .060 6.7 82 7.7 337 25.0 140
12... 1518 FIELD BLANK -- --    <.004 <.004 --    -- --    -- --    --
26... 1330 ENVIRONMENTAL 60000 19    .084 .062 7.6 100 7.6 333 29.0 140
26... 1340 REPLICATE -- 17    .084 .062 --    -- --    -- --    140
JUL
17... 1340 ENVIRONMENTAL 129000 20    .077 .056 6.6 88 7.8 340 30.0 130
17... 1348 FIELD BLANK -- --    --        --        --    -- --    -- --    --
AUG
08... 1410 ENVIRONMENTAL 65200 16    .069 .049 8.0 107 8.0 287 30.0 100
SEP
10... 1410 ENVIRONMENTAL 48000 --    .071 .052 8.0 105 8.0 275 29.0 98
10... 1420 REPLICATE -- 9.5 .070 .052 --    -- --    -- --    100
ALKA- BICAR- SOLIDS, NITRO- NITRO-
MAGNE- POTAS- LINITY BONATE CHLO- FLUO- SILICA, RESIDUE GEN, GEN,AM-
CALCIUM SIUM, SIUM, SODIUM, WAT DIS WATER RIDE, RIDE, DIS- SULFATE AT 180 AMMONIA MONIA +
DIS- DIS- DIS- DIS- TOT IT DIS IT DIS- DIS- SOLVED DIS- DEG. C DIS- ORGANIC
SOLVED SOLVED SOLVED SOLVED FIELD FIELD SOLVED SOLVED (MG/L SOLVED DIS- SOLVED DIS.
DATE (MG/L (MG/L (MG/L (MG/L MG/L AS MG/L AS (MG/L (MG/L AS (MG/L SOLVED (MG/L (MG/L
AS CA) AS MG) AS K) AS NA) CACO3 HCO3 AS CL) AS F) SIO2) AS SO4) (MG/L) AS N) AS N)
(00915) (00925) (00935) (00930) (39086) (00453) (00940) (00950) (00955) (00945) (70300) (00608) (00623)
NOV
20... 44.1   12.3     3.31 14.0   120 147 20.6   .1   5.95 39.2   238 <.04   .29
DEC
07... 33.9   9.15   3.81 12.1   76 92 17.3   .3   5.68 41.3   192 E.03   .35
JAN
30... 32.5   7.50   2.44 10.9   77 94 14.1   .1   4.52 37.2   168 .06   .27
30... 32.2   7.38   2.37 10.7   -- -- 14.1   .1   4.48 36.1   170 .07   .28
FEB
13... 33.5   8.61   2.53 8.97 89 107 14.7   .1   5.42 31.7   172 E.03   .32
13... --      --        --      --      -- -- --      --      --      --      -- --        --     
MAR
06... 44.2   12.8     2.16 15.5   107 130 24.7   .2   5.34 51.0   236 E.03   .25
20... 36.8   10.1     2.17 13.6   90 110 21.2   .1   3.76 41.2   198 .04   .25
20... .04 <.008 <.01 <.09 -- -- .31 <.01 <.13 .02 -- .019 --     
APR
10... 36.1   9.81   2.09 11.0   84 102 16.6   .2   5.17 43.2   183 <.04   .24
25... 36.0   10.5     2.57 11.3   86 105 16.8   E.1   5.36 46.1   213 <.04   .27
25... --      --        --      --      -- -- --      --      --      --      -- --        --     
MAY
07... 29.3   7.42   2.39 6.96 77 94 9.51 E.1   4.58 31.0   148 <.04   .28
29... 35.4   9.14   2.67 7.26 88 108 10.3   .1   5.64 32.6   154 <.04   .32
JUN
12... 38.4   10.4     2.52 11.4   96 117 15.8   .1   4.89 40.8   200 <.04   .17
12... --      --        --      --      -- -- --      --      --      --      -- --        --     
26... 38.6   10.3     2.48 10.4   96 117 14.7   .1   4.44 36.7   195 <.04   .23
26... 38.0   10.2     2.50 10.2   -- -- 15.3   .1   4.35 36.6   192 <.04   .23
JUL
17... 35.2   10.6     2.45 11.7   93 113 14.8   .2   .96 41.9   189 <.04   .26
17... E.01 <.008 <.01 <.09 -- -- .04 <.01 <.13 <.01 -- <.015 --     
AUG
08... 28.3   8.25   2.53 12.9   76 93 13.7   .2   1.74 35.0   163 <.04   .22
SEP
10... 25.9   8.13   2.37 12.5   76 93 13.7   .2   2.59 32.2   147 <.04   .24
10... 26.4   8.29   2.31 12.6   -- -- 13.7   .1   2.59 31.6   152 <.04   .24
NITRO- NITRO- NITRO- NITRO- ORTHO- CARBON, CARBON, CARBON, CHLOR-A
GEN,AM- GEN, GEN, GEN,PAR PHOS- PHOS- INORG + INOR- CARBON, ORGANIC PHEO- PHYTO-
MONIA + NO2+NO3 NITRITE TICULTE PHORUS PHATE, PHOS- ORGANIC GANIC, ORGANIC PARTIC- PHYTIN PLANK-
ORGANIC DIS- DIS- WAT FLT DIS- DIS- PHORUS PARTIC. PARTIC. DIS- ULATE A, TON
TOTAL SOLVED SOLVED SUSP SOLVED SOLVED TOTAL TOTAL TOTAL SOLVED TOTAL PHYTO- CHROMO
DATE (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L PHYTON FLUOROM
AS N) AS N) AS N) AS N) AS P) AS P) AS P) AS C) AS C) AS C) AS C) (UG/L) (UG/L)
(00625) (00631) (00613) (49570) (00666) (00671) (00665) (00694) (00688) (00681) (00689) (62360) (70953)
NOV
20... .44 1.48   .017 .13 .072 .064 .109 1.1 <.1 3.5 1.0 4.7 4.6
DEC
07... .76 1.16   .017 .31 .075 .062 .27   3.2 <.1 4.8 3.2 6.6 1.8
JAN
30... .86 1.10   .010 .60 .056 .048 .42   6.6 .2 3.0 6.4 8.8 3.9
30... .87 1.09   .010 .58 .057 .049 .40   5.9 <.1 2.9 5.9 8.4 3.9
FEB
13... .53 1.91   .010 .18 .062 .049 .166 2.4 E.4 3.6 E2.0 2.7 3.1
13... --      --        --        <.02 --        --        --        <.1 <.1 .4 <.1 --    --   
MAR
06... .39 2.23   .012 .18 .044 .030 .109 1.4 <.1 2.9 1.4 4.3 6.2
20... .58 1.48   .014 .30 .049 .035 .23   3.8 <.1 2.9 3.8 9.8 6.9
20... --      <.013 <.002 --      --        <.007 --        --    --    --    --    --    --   
APR
10... .71 1.72   .012 .47 .038 .030 .24   5.2 <.1 3.0 5.1 8.2 9.7
25... .81 1.56   .013 .55 .049 .036 .26   5.9 .1 3.5 5.8 --    --   
25... --      --        --        --      --        --        --        --    --    --    --    --    --   
MAY
07... .59 1.14   .016 .30 .047 .033 .23   3.6 <.1 3.6 3.6 --    --   
29... .57 1.31   .012 .28 .048 .035 .162 2.1 <.1 3.7 2.1 --    --   
JUN
12... .68 1.37   E.005 .47 .043 .033 .23   4.3 <.1 2.7 4.2 --    --   
12... --      --        --        .03 --        --        --        <.1 <.1 .5 <.1 --    --   
26... .46 1.61   .009 .21 .039 .028 .091 1.3 <.1 2.9 1.3 --    --   
26... .41 1.59   .009 .22 .038 .028 .089 1.5 <.1 3.0 1.5 --    --   
JUL
17... .54 .71   .030 .33 .023 .010 .087 2.0 <.1 2.7 1.9 12.8 19.6
17... --      <.013 <.002 --      --        <.007 --        --    --    --    --    --    --   
AUG
08... .52 .26   .036 .32 .016 .007 .069 1.9 <.1 3.0 1.9 10.2 30.4
SEP
10... .51 .42   .051 .23 .029 .018 .071 1.6 <.1 2.7 1.6 18.9 24.9
10... .45 .43   .051 .23 .029 .017 .073 1.6 <.1 2.7 1.5 18.8 22.8
ALUM- ANTI- BERYL- CHRO-
INUM, MONY, ARSENIC BARIUM, LIUM, BORON, CADMIUM MIUM, COBALT, COPPER, IRON, LEAD, LITHIUM
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SOLVED 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 (UG/L
AS AL) AS SB) AS AS) AS BA) AS BE) AS B) AS CD) AS CR) AS CO) AS CU) AS FE) AS PB) AS LI)
(01106) (01095) (01000) (01005) (01010) (01020) (01025) (01030) (01035) (01040) (01046) (01049) (01130)
NOV
20... 3 .18 1.0 35 <.06 48 <.04 <.8 .13 1.6 <10 <.08 2.4
DEC
07... 5 .14 .8 33 <.06 43 <.04 <.8 .13 1.8 21 <.08 2.8
JAN
30... -- --      .6 -- --      29 --      --    --      --    12 --      2.4
30... -- --      .6 -- --      26 --      --    --      --    20 --      2.1
FEB
13... -- --      .6 -- --      25 --      --    --      --    21 --      1.6
13... -- --      --    -- --      -- --      --    --      --    -- --      --   
MAR
06... -- --      2.1 -- --      45 --      --    --      --    E6 --      3.4
20... -- --      .6 -- --      34 --      --    --      --    56 --      2.6
20... -- --      <.2 -- --      <7 --      --    --      --    <10 --      E.2
APR
10... -- --      .4 -- --      26 --      --    --      --    E6 --      2.1
25... -- --      .8 -- --      33 --      --    --      --    E6 --      2.9
25... -- --      --    -- --      -- --      --    --      --    -- --      --   
MAY
07... -- --      .7 -- --      25 --      --    --      --    E9 --      2.1
29... -- --      .8 -- --      30 --      --    --      --    16 --      2.1
JUN
12... -- --      .8 -- --      35 --      --    --      --    <10 --      3.0
12... -- --      --    -- --      -- --      --    --      --    -- --      --   
26... -- --      .9 -- --      42 --      --    --      --    <10 --      2.7
26... -- --      .9 -- --      40 --      --    --      --    <10 --      2.6
JUL
17... -- --      1.2 -- --      58 --      --    --      --    <10 --      3.2
17... -- --      <.2 -- --      <7 --      --    --      --    <10 --      <.3
AUG
08... 10 .21 1.2 36 <.06 42 <.04 <.8 .12 1.1 <10 <.08 2.8
SEP
10... -- --      1.3 -- --      60 --      --    --      --    <10 --      2.5
10... -- --      1.3 -- --      60 --      --    --      --    <10 --      2.5
2,6-DI-
MANGA- MOLYB- SELE- STRON- VANA- ETHYL ACETO- ALA- ATRA-
NESE, DENUM, NICKEL, NIUM, SILVER, TIUM, DIUM, ZINC, ANILINE CHLOR, CHLOR, ALPHA ZINE,
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- WAT FLT WATER WATER, BHC WATER,
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED 0.7 U FLTRD DISS, DIS- DISS,
DATE (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L GF, REC REC REC, SOLVED REC
AS MN) AS MO) AS NI) AS SE) AS AG) AS SR) AS V) AS ZN) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(01056) (01060) (01065) (01145) (01075) (01080) (01085) (01090) (82660) (49260) (46342) (34253) (39632)
NOV
20... 1.6 2.3 .43 <.3 <1 173      .8 1 <.002 .007 <.002 <.005 .106
DEC
07... 1.8 2.0 1.51 .4 <1 161      1.2 9 <.002 <.004 <.002 <.005 .109
JAN
30... --    --    --      E.3 -- 144      1.4 -- <.006 .010 <.004 <.005 .037
30... --    --    --      E.3 -- 142      1.4 -- <.006 .009 <.004 <.005 .035
FEB
13... --    --    --      .5 -- 132      1.2 -- <.006 .009 <.004 <.005 .052
13... --    --    --      --    -- --      --    -- <.006 <.006 <.004 <.005 <.007
MAR
06... --    --    --      .5 -- 188      <.2 -- <.006 .018 <.004 <.005 .087
20... --    --    --      .5 -- 165      <.2 -- <.006 <.006 <.004 <.005 .061
20... --    --    --      <.3 -- .09 <.2 -- --        --        --        --        --       
APR
10... --    --    --      <.3 -- 154      1.2 -- <.006 <.006 .008 <.005 .072
25... --    --    --      .6 -- 174      1.3 -- <.006 .021 <.004 <.005 .800
25... --    --    --      --    -- --      --    -- <.006 <.006 <.004 <.005 <.007
MAY
07... --    --    --      E.3 -- 114      1.5 -- <.006 .121 .005 <.005 1.75  
29... --    --    --      E.3 -- 125      1.2 -- <.006 .160 .008 <.005 1.74  
JUN
12... --    --    --      E.3 -- 173      1.4 -- <.006 .256 .012 <.005 2.52  
12... --    --    --      --    -- --      --    -- --        --        --        --        --       
26... --    --    --      .3 -- 149      .9 -- <.006 .297 .014 <.005 1.31  
26... --    --    --      .4 -- 148      .9 -- <.006 .292 .012 <.005 1.25  
JUL
17... --    --    --      .5 -- 161      1.1 -- <.006 .130 .010 <.005 1.31  
17... --    --    --      <.3 -- <.08 <.2 -- --        --        --        --        --       
AUG
08... .3 2.7 .98 <.3 <1 145      1.4 <1 <.006 .024 .005 <.005 .538
SEP
10... --    --    --      .4 -- 116      1.7 -- <.006 .011 <.004 <.005 .265
10... --    --    --      .5 -- 115      1.4 -- <.006 .011 <.004 <.005 .262
BEN- CAR- CARBO- DEETHYL DISUL- ETHAL-
FLUR- BUTYL- BARYL FURAN CYANA- DCPA ATRA- FOTON EPTC FLUR-
ALIN ATE, WATER WATER CHLOR- ZINE, WATER ZINE, DI- DI- WATER WATER ALIN
WAT FLD WATER, FLTRD FLTRD PYRIFOS WATER, FLTRD WATER, AZINON, ELDRIN FLTRD FLTRD WAT FLT
0.7 U DISS, 0.7 U 0.7 U DIS- DISS, 0.7 U DISS, DIS- DIS- 0.7 U 0.7 U 0.7 U
DATE GF, REC REC GF, REC GF, REC SOLVED REC GF, REC REC SOLVED 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) (UG/L) (UG/L)
(82673) (04028) (82680) (82674) (38933) (04041) (82682) (04040) (39572) (39381) (82677) (82668) (82663)
NOV
20... <.010 <.002 <.041 <.020 E.001 <.018 <.003 E.041 <.005 <.005 <.02 <.002 <.009
DEC
07... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.022 <.005 <.005 <.02 <.002 <.009
JAN
30... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.015 <.005 <.005 <.02 <.002 <.009
30... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.015 <.005 <.005 <.02 <.002 <.009
FEB
13... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.023 <.005 <.005 <.02 <.002 <.009
13... <.010 <.002 <.041 <.020 <.005 <.018 <.003 <.006 <.005 <.005 <.02 <.002 <.009
MAR
06... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.014 <.005 <.005 <.02 <.002 <.009
20... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.007 <.005 <.005 <.02 <.002 <.009
20... --        --        --        --        --        --        --        --        --        --        --      --        --       
APR
10... <.010 <.002 E.004 <.020 <.005 <.018 <.003 E.008 E.003 <.005 <.02 <.002 <.009
25... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.028 <.005 <.005 <.02 <.002 <.009
25... <.010 <.002 <.041 <.020 <.005 <.018 <.003 <.006 <.005 <.005 <.02 <.002 <.009
MAY
07... <.010 <.002 E.003 <.020 <.005 E.006 <.003 E.053 .006 <.005 <.02 <.002 <.009
29... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.110 .006 <.005 <.02 <.002 <.009
JUN
12... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.098 .006 <.005 <.02 <.002 <.009
12... --        --        --        --        --        --        --        --        --        --        --      --        --       
26... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.205 E.004 <.005 <.02 <.002 <.009
26... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.205 E.004 <.005 <.02 <.002 <.009
JUL
17... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.133 E.003 <.005 <.02 <.002 <.009
17... --        --        --        --        --        --        --        --        --        --        --      --        --       
AUG
08... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.068 <.005 <.005 <.02 <.002 <.009
SEP
10... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.050 <.005 <.005 <.02 <.002 <.009
10... <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.054 <.005 <.005 <.02 <.002 <.009
ETHO- LIN- METHYL METHYL MOL- NAPROP-
PROP URON AZIN- PARA- METRI- INATE AMIDE
WATER FONOFOS WATER MALA- PHOS THION METO- BUZIN WATER WATER PARA-
FLTRD WATER LINDANE FLTRD THION, WAT FLT WAT FLT LACHLOR SENCOR FLTRD FLTRD P,P' THION,
0.7 U DISS DIS- 0.7 U DIS- 0.7 U 0.7 U WATER WATER 0.7 U 0.7 U DDE DIS-
DATE GF, REC REC SOLVED GF, REC SOLVED GF, REC GF, REC DISSOLV DISSOLV GF, REC GF, REC DISSOLV SOLVED
(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)
(82672) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)
NOV
20... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .034 <.006 <.002 <.007 <.003 <.007
DEC
07... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .024 .012 <.002 <.007 <.003 <.007
JAN
30... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .014 <.006 <.002 <.007 <.003 <.010
30... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .013 <.006 <.002 <.007 <.003 <.010
FEB
13... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .033 .006 <.002 <.007 <.003 <.010
13... <.005 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010
MAR
06... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .034 <.006 <.002 <.007 <.003 <.010
20... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .026 <.006 <.002 <.007 <.003 <.010
20... --        --        --        --        --        --        --        --        --        --        --        --        --       
APR
10... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .028 <.006 <.002 <.007 <.003 <.010
25... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .101 <.006 <.002 <.007 <.003 <.010
25... <.005 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010
MAY
07... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .310 .013 <.002 <.007 <.003 <.010
29... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .348 .014 <.002 <.007 <.003 <.010
JUN
12... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .404 .010 <.002 <.007 <.003 <.010
12... --        --        --        --        --        --        --        --        --        --        --        --        --       
26... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .588 .010 <.002 <.007 <.003 <.010
26... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .569 .009 <.002 <.007 <.003 <.010
JUL
17... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .245 <.006 <.002 <.007 <.003 <.010
17... --        --        --        --        --        --        --        --        --        --        --        --        --       
AUG
08... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .070 <.006 <.002 <.007 <.003 <.010
SEP
10... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .075 <.006 <.002 <.007 <.003 <.010
10... <.005 <.003 <.004 <.035 <.027 <.050 <.006 .071 <.006 <.002 <.007 <.003 <.010
PEB- PENDI- PER- PRON- PRO- PRO- TEBU- TER- TER-
ULATE METH- METHRIN PHORATE PRO- AMIDE PROPA- PANIL PARGITE SI- THIURON BACIL BUFOS
WATER ALIN CIS WATER METON, WATER CHLOR, WATER WATER MAZINE, WATER WATER WATER
FILTRD WAT FLT WAT FLT FLTRD WATER, FLTRD WATER, FLTRD FLTRD WATER, FLTRD FLTRD FLTRD
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 0.7 U 0.7 U
DATE GF, REC GF, REC GF, REC GF, REC REC GF, REC REC GF, REC GF, REC 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) (UG/L) (UG/L)
(82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)
NOV
20... <.002 <.010 <.006 <.011 M <.004 <.010 <.011 <.02 .043 <.02 E.011 <.02
DEC
07... <.002 <.010 <.006 <.011 E.01 <.004 <.010 <.011 <.02 .743 E.01 <.034 <.02
JAN
30... <.004 <.022 <.006 <.011 E.01 <.004 <.010 <.011 <.02 .038 E.01 <.034 <.02
30... <.004 <.022 <.006 <.011 E.01 <.004 <.010 <.011 <.02 .038 E.01 <.034 <.02
FEB
13... <.004 <.022 <.006 <.011 E.01 <.004 .011 <.011 <.02 .137 E.01 <.034 <.02
13... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02
MAR
06... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 .075 <.02 <.034 <.02
20... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 .083 E.01 <.034 <.02
20... --        --        --        --        --      --        --        --        --      --        --      --        --     
APR
10... <.004 <.022 <.006 <.011 M <.004 <.010 <.011 <.02 .050 E.01 <.034 <.02
25... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 .263 <.02 <.034 <.02
25... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02
MAY
07... <.004 <.022 <.006 <.011 E.01 <.004 <.010 <.011 <.02 .304 E.01 <.034 <.02
29... <.004 <.022 <.006 <.011 .02 <.004 <.010 <.011 <.02 .236 E.01 <.034 <.02
JUN
12... <.004 <.022 <.006 <.011 E.01 <.004 <.010 <.011 <.02 .280 <.02 <.034 <.02
12... --        --        --        --        --      --        --        --        --      --        --      --        --     
26... <.004 <.022 <.006 <.011 .02 <.004 <.010 <.011 <.02 .155 E.01 <.034 <.02
26... <.004 <.022 <.006 <.011 .02 <.004 <.010 <.011 <.02 .149 E.01 <.034 <.02
JUL
17... <.004 <.022 <.006 <.011 .02 <.004 <.010 <.011 <.02 .129 E.01 <.034 <.02
17... --        --        --        --        --      --        --        --        --      --        --      --        --     
AUG
08... <.004 <.022 <.006 <.011 E.01 <.004 <.010 <.011 <.02 .062 .02 <.034 <.02
SEP
10... <.004 <.022 <.006 <.011 E.01 <.007 <.010 <.011 <.02 .026 .02 <.034 <.02
10... <.004 <.022 <.006 <.011 E.01 <.004 <.010 <.011 <.02 .024 .02 <.034 <.02
THIO- TRIAL- TRI- SED.
BENCARB LATE FLUR- URANIUM SUSP.
WATER WATER ALIN NATURAL SIEVE SEDI-
FLTRD FLTRD WAT FLT DIS- DIAM. MENT,
0.7 U 0.7 U 0.7 U SOLVED % FINER SUS-
DATE GF, REC GF, REC GF, REC (UG/L THAN PENDED
(UG/L) (UG/L) (UG/L) AS U) .062 MM (MG/L)
(82681) (82678) (82661) (22703) (70331) (80154)
NOV
20... <.005 <.002 <.009 .67 98 15
DEC
07... <.005 <.002 <.009 .36 97 138
JAN
30... <.005 <.002 <.009 --      89 231
30... <.005 <.002 <.009 --      -- --
FEB
13... <.005 <.002 <.009 --      97 75
13... <.005 <.002 <.009 --      -- --
MAR
06... <.005 <.002 <.009 --      98 36
20... <.005 <.002 <.009 --      88 155
20... --        --        --        --      -- --
APR
10... <.005 <.002 <.009 --      96 153
25... <.005 <.002 <.009 --      91 162
25... <.005 <.002 <.009 --      -- --
MAY
07... <.005 <.002 <.009 --      95 141
29... <.005 <.002 <.009 --      97 68
JUN
12... <.005 <.002 <.009 --      100 131
12... --        --        --        --      -- --
26... <.005 <.002 <.009 --      100 22
26... <.005 <.002 <.009 --      -- --
JUL
17... <.005 <.002 <.009 --      98 31
17... --        --        --        --      -- --
AUG
08... <.005 <.002 <.009 .31 100 16
SEP
10... <.005 <.002 <.009 --      98 12
10... <.005 <.002 <.009 --      -- --
REMARK CODES:
E--Laboratory estimated value.
M--Presence of material verified but not quantified.
<--Numberic result is less than the value shown.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data