Station list     Available data
UPPER MISSISSIPPI RIVER BASIN


05420500       MISSISSIPPI RIVER AT CLINTON, IA

(National stream-quality accounting network station)


LOCATION.--Lat 41°46'50", long 90°15'07", in NW1/4 sec.34, T.81 N., R.6 E., Clinton County, Hydrologic Unit 07080101, on right bank at end of Eighth Avenue in Camanche, 5.0 mi upstream from Wapsipinicon River, 6.4 mi downstream from Clinton, 10.6 mi downstream from Lock and Dam 13, and at mile 511.8 upstream from Ohio River.

DRAINAGE AREA.--85,600 mi2, approximately, at Fulton-Lyons Bridge at Clinton.

PERIOD OF RECORD.--October 1974 to September 1987, October 1994 to current year.
WATER-QUALITY
DIS- PH OXYGEN, BARO-
CHARGE, SPE- WATER DIS- METRIC HARD-
INST. CIFIC WHOLE SOLVED PRES- NESS CALCIUM
CUBIC CON- FIELD TEMPER- TEMPER- TUR- OXYGEN, (PER- SURE TOTAL DIS-
FEET DUCT- (STAND- ATURE ATURE BID- DIS- CENT (MM (MG/L SOLVED
DATE TIME PER ANCE ARD WATER AIR ITY SOLVED SATUR- OF AS (MG/L
SECOND (US/CM) UNITS) (DEG C) (DEG C) (NTU) (MG/L) ATION) HG) CACO3) AS CA)
(00061) (00095) (00400) (00010) (00020) (00076) (00300) (00301) (00025) (00900) (00915)
OCT
20... 1130 49800 420 7.8 12.6 15.6 22    8.7 83 755 190 42
NOV
18... 0915 53400 445 7.8 4.9 9.0 11    12.2 93 746 200 47
FEB
18... 1115 52300 444 8.1 .7 2.1 6.1 13.6 97 747 200 47
MAR
24... 1215 55800 407 8.5 6.6 6.9 21    14.0 116 752 190 41
APR
19... 1115 118000 379 7.6 10.8 16.0 33    9.7 90 746 160 39
28... 1100 116000 407 7.5 11.6 11.3 65    9.5 89 750 180 43
MAY
11... 0900 70300 470 7.8 16.1 24.6 20    8.0 83 748 210 51
21... 1045 136000 390 7.2 17.9 22.7 120    6.7 72 745 170 41
JUN
17... 0835 78400 457 7.7 21.1 25.0 28    6.3 70 753 200 49
JUL
09... 0840 63300 474 7.6 26.2 25.2 16    6.7 85 744 210 51
20... 1300 68000 427 7.7 26.7 28.1 15    6.0 77 748 180 43
AUG
18... 0830 50500 377 7.8 23.4 19.0 7.0 6.6 79 749 160 39
SEP
09... 0850 40500 371 8.0 22.0 10.0 10    7.5 88 746 170 39
ALKA- CAR- BICAR-
MAGNE- SODIUM POTAS- LINITY BONATE BONATE CHLO- FLUO- SILICA,
SIUM, SODIUM, AD- SIUM, WAT DIS WATER WATER SULFATE RIDE, RIDE, DIS-
DIS- DIS- SORP- DIS- TOT IT DIS IT DIS IT DIS- DIS- DIS- SOLVED
SOLVED SOLVED TION SOLVED FIELD FIELD FIELD SOLVED SOLVED SOLVED (MG/L
DATE (MG/L (MG/L SODIUM RATIO (MG/L MG/L AS MG/L AS MG/L AS (MG/L (MG/L (MG/L AS
AS MG) AS NA) PERCENT AS K) CACO3 CO3 HCO3 AS SO4) AS CL) AS F) SIO2)
(00925) (00930) (00932) (00931) (00935) (39086) (00452) (00453) (00945) (00940) (00950) (00955)
OCT
20... 20 9.4 10 .3 3.6 170 3 201 20 15 .20 5.9
NOV
18... 20 11    11 .3 2.5 193 0 236 24 18 .18 8.8
FEB
18... 20 12    11 .4 2.9 163 0 199 29 17 <.10 9.3
MAR
24... 20 14    14 .4 2.5 135 10 145 31 19 .15 2.5
APR
19... 15 8.9 11 .3 2.7 132 0 162 26 14 .13 8.4
28... 17 7.7 8 .3 2.5 146 0 178 28 13 .14 9.7
MAY
11... 21 9.0 8 .3 2.5 183 0 223 42 15 .17 7.5
21... 16 7.2 8 .2 3.0 139 0 170 30 12 .17 8.3
JUN
17... 20 8.1 8 .2 2.4 143 0 174 35 13 .18 11   
JUL
09... 21 9.4 9 .3 2.3 171 0 209 38 15 .20 12   
20... 19 9.4 10 .3 2.2 148 0 181 34 15 .16 8.4
AUG
18... 16 8.1 10 .3 1.9 158 0 193 21 12 .14 12   
SEP
09... 17 8.6 10 .3 2.1 143 0 175 19 13 <.10 12   
SOLIDS, SOLIDS, NITRO- NITRO- NITRO- NITRO- PHOS-
RESIDUE SUM OF SOLIDS, SOLIDS, NITRO- GEN, GEN, GEN, GEN,AM- PHORUS PHOS-
AT 180 CONSTI- DIS- DIS- GEN, NO2+NO3 NITRITE AMMONIA MONIA + ORTHO, PHORUS PHOS-
DEG. C TUENTS, SOLVED SOLVED ORGANIC DIS- DIS- DIS- ORGANIC DIS- DIS- PHORUS
DIS- DIS- (TONS (TONS TOTAL SOLVED SOLVED SOLVED TOTAL SOLVED SOLVED TOTAL
DATE SOLVED SOLVED PER PER (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L
(MG/L) (MG/L) AC-FT) DAY) AS N) AS N) AS N) AS N) AS N) AS P) AS P) AS P)
(70300) (70301) (70303) (70302) (00605) (00631) (00613) (00608) (00625) (00671) (00666) (00665)
OCT
20... 231 227 .31 31100 .69 1.75 .021 .131 .82 .109 .143 .242
NOV
18... 268 257 .36 38600 .57 2.27 .014 .086 .66 .041 .056 .138
FEB
18... 270 246 .37 38100 .39 2.60 .017 .175 .57 .070 .076 --       
MAR
24... 243 218 .33 36600 --      1.31 .024 <.020 1.2   .001 .013 .132
APR
19... 226 202 .31 72000 --      1.88 .017 <.020 .96 .019 .058 .188
28... 251 226 .34 78600 1.0   3.88 .030 .035 1.0   .027 .067 .211
MAY
11... 271 273 .37 51400 .72 3.31 .039 .110 .83 .033 .059 .123
21... 230 217 .31 84500 .41 3.37 .063 .163 .57 .090 .100 .100
JUN
17... 289 238 .39 61200 1.2   3.15 .101 .063 1.3   .110 .116 .262
JUL
09... 312 266 .42 53300 .77 3.16 .064 .056 .83 .120 .127 .189
20... 256 228 .35 47000 .52 1.91 .030 .041 .56 .101 .116 .190
AUG
18... 226 214 .31 30800 .78 1.83 .037 .046 .83 .014 .128 .183
SEP
09... 221 203 .30 24200 --      1.21 .014 <.020 .73 .121 .114 .162
SEDI- SED.
MENT, SUSP. ALUM- BERYL- CHRO-
SEDI- DIS- SIEVE ARSENIC INUM, BARIUM, LIUM, CADMIUM MIUM, COBALT, COPPER, IRON,
MENT, CHARGE, DIAM. DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SUS- SUS- % FINER SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE PENDED PENDED THAN (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L
(MG/L) (T/DAY) .062 MM AS AS) AS AL) AS BA) AS BE) AS CD) AS CR) AS CO) AS CU) AS FE)
(80154) (80155) (70331) (01000) (01106) (01005) (01010) (01025) (01030) (01035) (01040) (01046)
OCT
20... 87 11700 98 <1 --    -- --    --    --    --    --    <10   
NOV
18... 42 6060 98 <1 <1.0 45 <1.0 <1.0 1.5 <1.0 <1.0 <10   
FEB
18... 15 2120 75 1 --    -- --    --    --    --    --    20   
MAR
24... 54 8140 99 <1 2.6 32 <1.0 <1.0 2.4 <1.0 1.0 15   
APR
19... 103 32800 98 <1 --    -- --    --    --    --    --    22   
28... 150 47000 98 1 --    -- --    --    --    --    --    17   
MAY
11... 72 13700 98 1 2.2 52 <1.0 <1.0 <1.0 <1.0 <1.0 <10   
21... 281 103000 98 <1 --    -- --    --    --    --    --    E9.8
JUN
17... 99 21000 100 2 --    -- --    --    --    --    --    E5.8
JUL
09... 59 10100 99 1 --    -- --    --    --    --    --    <10   
20... 44 8080 99 2 --    -- --    --    --    --    --    <10   
AUG
18... 24 3270 98 1 1.9 40 <1.0 <1.0 <1.0 <1.0 <1.0 <10   
SEP
09... 42 4590 98 1 --    -- --    --    --    --    --    E6.4
MANGA- MOLYB- SELE- STRON- VANA- URANIUM ATRA-
LEAD, LITHIUM NESE, DENUM, NICKEL, NIUM, SILVER, TIUM, DIUM, ZINC, NATURAL ZINE,
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- WATER,
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED DISS,
DATE (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L REC
AS PB) AS LI) AS MN) AS MO) AS NI) AS SE) AS AG) AS SR) AS V) AS ZN) AS U) (UG/L)
(01049) (01130) (01056) (01060) (01065) (01145) (01075) (01080) (01085) (01090) (22703) (04040)
OCT
20... --    <6 --    --    --    <1 --    83 <10 --    --    E.056
NOV
18... <1.0 E6 2.8 1.2 1.5 1 <1.0 87 <10 2.5 1.2 E.034
FEB
18... --    E4 --    --    --    <1 --    88 <10 --    --    E.030
MAR
24... <1.0 6 1.7 <1.0 1.4 1 <1.0 90 <10 1.8 1.4 E.028
APR
19... --    E5 --    --    --    <1 --    78 <10 --    --    E.026
28... --    8 --    --    --    <1 --    91 <10 --    --    E.037
MAY
11... <1.0 8 4.4 1.3 1.8 <1 <1.0 116 <10 3.0 2.7 E.034
21... --    E4 --    --    --    <1 --    88 <10 --    --    E.127
JUN
17... --    9 --    --    --    <1 --    109 <10 --    --    E.054
JUL
09... --    8 --    --    --    <1 --    120 <10 --    --    E.078
20... --    8 <3.0 --    --    1 --    102 <10 --    --    E.071
AUG
18... <1.0 5 5.1 1.1 2.0 <1 <1.0 87 <10 2.6 1.2 E.046
SEP
09... --    E3 --    --    --    <1 --    82 E7 --    --    E.034
PH NITRO- NITRO- NITRO- PHOS- CARBON, HARD- HARD-
WATER NITRO- GEN, GEN, GEN,AM- PHATE, CARBON, ORGANIC NESS NESS ANTI-
WHOLE NITRO- GEN ORGANIC NITRATE MONIA + ORTHO, ORGANIC SUS- NONCARB NONCARB MONY,
LAB GEN, DIS- DIS- DIS- ORGANIC DIS- DIS- PENDED DISSOLV DISSOLV DIS-
(STAND- TOTAL SOLVED SOLVED SOLVED DIS. SOLVED SOLVED TOTAL FLD. AS LAB AS SOLVED
DATE ARD (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L CACO3 CACO3 (UG/L
UNITS) AS N) AS N) AS N) AS N) AS N) AS PO4) AS C) AS C) (MG/L) (MG/L) AS SB)
(00403) (00600) (00602) (00607) (00618) (00623) (00660) (00681) (00689) (00904) (00905) (01095)
OCT
20... 8.2 2.6 2.3 .46 1.73 .59 .33 4.9 1.4   19 18 --   
NOV
18... 8.1 2.9 2.7 .32 2.25 .41 .13 4.2 .80 4 16 <1.0
FEB
18... 8.1 3.2 3.2 .38 2.58 .56 .21 4.2 .40 35 25 --   
MAR
24... 7.9 2.5 1.8 --      1.29 .44 .00 4.9 1.7   52 36 <1.0
APR
19... 8.0 2.8 2.3 --      1.86 .47 .06 6.4 .90 26 23 --   
28... 8.0 4.9 4.2 .33 3.85 .37 .08 5.9 2.0   31 27 --   
MAY
11... 8.2 4.1 3.8 .42 3.27 .53 .10 6.2 1.0   31 48 <1.0
21... 7.9 3.9 4.0 .47 3.30 .64 .28 6.0 .50 28 34 --   
JUN
17... 8.0 4.4 3.8 .55 3.05 .62 .34 7.5 2.0   60 39 --   
JUL
09... 8.2 4.0 3.8 .54 3.10 .59 .37 6.5 1.0   43 42 --   
20... 8.1 2.5 2.4 .46 1.88 .50 .31 7.0 1.2   35 29 --   
AUG
18... 8.1 2.7 2.3 .45 1.80 .50 .04 7.6 1.0   6 13 <1.0
SEP
09... 8.0 1.9 1.7 --      1.19 .49 .37 7.8 .80 24 16 --   
ALKA-
PROP- BUTYL- SI- PRO- CYANA- LINITY
CHLOR, ATE, MAZINE, METON, ZINE, FONOFOS WAT.DIS ALPHA CHLOR-
WATER, WATER, WATER, WATER, WATER, WATER FET BHC P,P' PYRIFOS LINDANE
DISS, DISS, DISS, DISS, DISS, DISS LAB DIS- DDE DIS- DIS-
DATE REC REC REC REC REC REC CACO3 SOLVED DISSOLV SOLVED SOLVED
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (MG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(04024) (04028) (04035) (04037) (04041) (04095) (29801) (34253) (34653) (38933) (39341)
OCT
20... <.007 <.002 <.005 E.006 .0122 <.003 170 <.002 <.006 <.004 <.004
NOV
18... <.007 <.002 <.005 <.018 <.004   <.003 180 <.002 <.006 <.004 <.004
FEB
18... <.007 <.002 E.005 E.002 .005   <.003 170 <.002 <.006 <.004 <.004
MAR
24... <.007 <.002 <.005 E.004 <.004   <.003 150 <.002 E.002 <.004 <.004
APR
19... <.007 <.002 E.004 <.018 .008   <.003 140 <.002 <.006 <.004 <.004
28... <.007 <.002 .008 E.002 .015   <.003 150 <.002 <.006 <.004 <.004
MAY
11... <.007 <.002 .008 <.018 .009   <.003 170 <.002 <.006 <.004 <.004
21... <.007 <.002 .026 <.018 .172   <.003 130 <.002 <.006 E.011 <.004
JUN
17... <.007 <.002 .022 E.005 .072   <.003 160 <.002 <.006 E.004 <.004
JUL
09... <.007 <.002 .011 E.008 .035   <.003 170 <.002 <.006 <.004 <.004
20... <.007 <.002 <.005 <.018 <.020   <.003 150 <.002 <.006 <.004 <.004
AUG
18... <.007 <.002 .007 <.018 .006   <.003 150 <.002 <.006 <.004 <.004
SEP
09... <.007 <.002 .006 E.004 <.004   <.003 150 <.002 <.006 <.004 <.004
NITRO- NITRO- NITRO-
ATRA- ALA- ACETO- GEN, GEN, GEN,
DI- METO- MALA- PARA- DI- ZINE, CHLOR, CHLOR, AMMONIA NITRATE NITRITE
ELDRIN LACHLOR THION, THION, AZINON, WATER, WATER, WATER DIS- DIS- DIS-
DIS- WATER DIS- DIS- DIS- DISS, DISS, FLTRD SOLVED SOLVED SOLVED
DATE SOLVED DISSOLV SOLVED SOLVED SOLVED REC REC, REC (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)
(39381) (39415) (39532) (39542) (39572) (39632) (46342) (49260) (71846) (71851) (71856)
OCT
20... <.001 .026 <.005 <.004 <.002 .076 <.002 <.002 .17 7.7 .07
NOV
18... <.001 .017 <.005 <.004 <.002 .050 <.002 <.002 .11 10    .05
FEB
18... <.001 .022 <.005 <.004 <.002 .043 E.003 <.002 .23 11    .06
MAR
24... <.001 .136 .011 <.004 <.002 .033 <.002 .014 --      5.7 .08
APR
19... <.001 .077 <.005 <.004 <.002 .040 <.002 .010 --      8.2 .06
28... <.001 .077 <.005 <.004 <.002 .045 <.002 .027 .05 17    .10
MAY
11... <.001 .051 <.005 <.004 <.002 .075 .005 .060 .14 14    .13
21... <.001 1.27   <.005 <.004 <.002 2.44   .105 1.66   .21 15    .21
JUN
17... <.001 .291 <.005 <.004 <.002 .850 .035 .253 .08 13    .33
JUL
09... <.001 .113 <.005 <.004 <.002 .536 .017 .096 .07 14    .21
20... <.001 .057 <.005 <.004 <.002 .305 <.010 .024 .05 8.3 .10
AUG
18... <.001 .027 <.005 <.004 <.002 .147 <.002 .007 .06 8.0 .12
SEP
09... <.001 .009 <.005 <.004 <.002 .067 <.002 <.002 --      5.3 .05
2,6-DI- TRI- ETHAL- TER- LIN- METHYL PEB- TEBU-
METRI- ETHYL FLUR- FLUR- PHORATE BACIL URON PARA- EPTC ULATE THIURON
BUZIN ANILINE ALIN ALIN WATER WATER WATER THION WATER WATER WATER
SENCOR WAT FLT WAT FLT WAT FLT FLTRD FLTRD FLTRD WAT FLT FLTRD FILTRD FLTRD
WATER 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 DISSOLV 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)
(82630) (82660) (82661) (82663) (82664) (82665) (82666) (82667) (82668) (82669) (82670)
OCT
20... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 <.010
NOV
18... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 <.010
FEB
18... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 E.006
MAR
24... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 <.010
APR
19... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 <.010
28... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 .005 <.004 <.010
MAY
11... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 <.010
21... .019 <.003 <.002 <.004 <.002 <.007 <.002 <.006 .006 <.004 <.010
JUN
17... .005 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 <.010
JUL
09... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 <.010
20... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 <.010
AUG
18... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 <.010
SEP
09... <.004 <.003 <.002 <.004 <.002 <.007 <.002 <.006 <.002 <.004 E.002
MOL- ETHO- BEN- CARBO- TER- PRON- DISUL- TRIAL- PRO- CAR- THIO-
INATE PROP FLUR- FURAN BUFOS AMIDE FOTON LATE PANIL BARYL BENCARB
WATER WATER ALIN WATER WATER WATER WATER WATER WATER WATER WATER
FLTRD FLTRD WAT FLD FLTRD FLTRD FLTRD FLTRD FLTRD FLTRD 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)
(82671) (82672) (82673) (82674) (82675) (82676) (82677) (82678) (82679) (82680) (82681)
OCT
20... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
NOV
18... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
FEB
18... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
MAR
24... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
APR
19... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
28... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
MAY
11... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
21... <.004 <.003 <.002 E.007 <.013 <.003 <.017 <.001 <.004 <.003 <.002
JUN
17... <.004 <.003 <.002 E.043 <.013 <.003 <.017 <.001 <.004 <.003 <.002
JUL
09... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
20... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
AUG
18... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
SEP
09... <.004 <.003 <.002 <.003 <.013 <.003 <.017 <.001 <.004 <.003 <.002
PENDI- NAPROP- PRO- METHYL PER- SPE- DIAZ- TERBUTH HCH
DCPA METH- AMIDE PARGITE AZIN- METHRIN CIFIC INON YLAZINE ALPHA
WATER ALIN WATER WATER PHOS CIS CON- D10 SRG SURROGT D6 SRG BORON,
FLTRD WAT FLT FLTRD FLTRD WAT FLT WAT FLT DUCT- WAT FLT WAT FLT WAT FLT DIS-
0.7 U 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U ANCE 0.7 U 0.7 U 0.7 U SOLVED
DATE GF, REC GF, REC GF, REC GF, REC GF, REC GF, REC LAB GF, REC GF, REC GF, REC (UG/L
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (US/CM) PERCENT PERCENT PERCENT AS B)
(82682) (82683) (82684) (82685) (82686) (82687) (90095) (91063) (91064) (91065) (01020)
OCT
20... <.002 <.004 <.003 <.013 <.001 <.005 424 99.0 110 89.7 27
NOV
18... <.002 <.004 <.003 <.013 <.001 <.005 466 97.9 101 85.1 28
FEB
18... <.002 <.004 <.003 <.013 <.001 <.005 461 104    104 92.2 20
MAR
24... <.002 <.004 <.003 <.013 <.001 <.005 432 96.7 103 96.1 25
APR
19... <.002 <.004 <.003 <.013 <.001 <.005 377 104    126 107    20
28... <.002 <.004 <.003 <.013 <.001 <.005 415 96.6 102 95.9 19
MAY
11... <.002 <.004 <.003 <.013 <.001 <.005 469 98.6 109 91.3 29
21... <.002 <.010 <.003 <.013 <.001 <.005 383 99.0 -- 96.6 25
JUN
17... <.002 <.004 <.003 <.013 <.001 <.005 444 108    -- 104    38
JUL
09... <.002 <.004 <.003 <.013 <.001 <.005 470 111    -- 116    35
20... <.002 <.004 <.003 <.013 <.001 <.005 420 108    -- 91.5 31
AUG
18... <.002 <.004 <.003 --        <.001 <.005 374 108    -- 108    27
SEP
09... <.002 <.004 <.003 <.013 <.001 <.005 369 98.4 -- 101    25


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data