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" (NAD of 1927), 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.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: June to August 1873 (fragmentary), October 1873 to current year. October 1932 to September 1939, published as "at Le Claire." June 1873 to December 1932, published in the Iowa State Planning Board report "Stream-flow records of Iowa, 1873-1932."

SURFACE-WATER QUALITY

 

CHEMICAL: October 1974 to September 1987, October 1994 to current year.

 

SEDIMENT: October 1994 to September 30, 1997 (discontinued).

 

SPECIFIC CONDUCTANCE: July 1975 to September 1976; sporadic measurements February 1977 to September 1981; October 1994 to September 30, 1997 (discontinued).

 

WATER TEMPERATURE: July 1975 to April 1989; January 1995 to September 30, 1997 (discontinued).

 

MISCELLANEOUS: Periodic observations.

 

REVISED RECORDS.-- WDR IA-75-1: 1974.

 

GAGE.-- Water-stage recorder and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 562.68 ft above NGVD of 1929. June 6, 1969 to Sept. 16, 1988, water-stage recorder at site 400 ft. upstream at same datum. Auxiliary water-stage recorder at Lock and Dam 13 since Oct. 1, 1958. See WSP 1728 for history of changes prior to Oct. 1, 1955.

 

REMARKS.-- Minor flow regulation caused by navigation dams.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum daily discharge, 307,000 ft3/s, discharge affected by regulation or diversion, April 28, 1965, gage height, 24.65 ft; minimum daily discharge, 6,500 ft3/s, December 25, 1933.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 294 mg/L; Apr. 7, 1997; minimum daily mean, 1 mg/L several days in December 1995 - January 1996.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 108,000 tons, Apr. 7, 1997; minimum daily, 96 tons, Jan. 9, 1996.

SPECIFIC CONDUCTANCE: Maximum daily 560 microsiemens Nov. 24 to Dec. 3, 1979; minimum daily 220 microsiemens Apr . 19, 20, 1976, Nov. 8-18, 1980.

WATER TEMPERATURE: Maximum daily 31.5°C July 21-23, 1983; minimum daily 0.0°C on many days during winter periods.

 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum stage known since at least 1828, that of Apr. 28, 1965.

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
 Time
 Instan-
taneous
dis-
charge,
cfs
(00061) 		Turbid-
ity,
wat unf
lab,
Hach
2100AN
NTU
(99872) 		Baro-
metric
pres-
sure,
mm Hg
(00025) 		Dis-
solved
oxygen,
mg/L
(00300) 		Dis-
solved
oxygen,
percent
of sat-
uration
(00301) 		pH,
water,
unfltrd
field,
std
units
(00400) 		pH,
water,
unfltrd
lab,
std
units
(00403) 		Specif.
conduc-
tance,
wat unf
lab,
uS/cm
25 degC
(90095) 		Specif.
conduc-
tance,
wat unf
uS/cm
25 degC
(00095) 		Temper-
ature,
air,
deg C
(00020) 		Temper-
ature,
water,
deg C
(00010) 		Hard-
ness,
water,
unfltrd
mg/L as
CaCO3
(00900)
OCT                          
17... 1005 102,000 40 743 10.4 94 7.5 8.1 260 265 6.5 10.9 110
DEC                          
03... 1130 31,100 20 762 16.9 116 7.8 8.0 359 365 7.0 0.0 180
FEB                          
20... 0945 29,400 6.1 755 21.7 147 8.5 8.2 433 433 5.7 0.1 200
MAR                          
20... 1015 57,400 15 743 17.2 122 8.6 8.4 380 380 8.0 0.9 180
APR                          
17... 1015 40,000 43 744 13.3 124 9.0 8.8 339 341 11.1 11.2 140
30... 1030 129,000 47 714 10.5 109 8.4 7.6 248 253 12.3 14.1 110
MAY                          
19... 1015 125,000 44 746 10.2 109 8.2 7.9 304 306 22.0 17.3 130
23... 1040 158,000 33 751 8.4 94 7.8 8.0 255 261 20.0 17.4 110
JUN                          
11... 0950 59,500 23 741 8.9 102 8.6 E7.9 389 384 21.0 20.7 190
30... 1100 53,300 22 757 5.7 69 8.2 8.1 385 403 -- 24.5 180
JUL                          
24... 1010 52,700 15 749 8.0 99 8.2 8.0 358 369 26.0 25.0 160
AUG                          
19... 1035 23,600 15 751 10.3 132 8.8 8.8 336 353 29.0 27.4 170
SEP                          
08... 1115 14,600 18 752 10.5 128 8.8 8.5 363 374 -- 24.6 170

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
 Calcium
water,
fltrd,
mg/L
(00915) 		Magnes-
ium,
water,
fltrd,
mg/L
(00925) 		Potas-
sium,
water,
fltrd,
mg/L
(00935) 		Sodium
adsorp-
tion
ratio
(00931) 		Sodium,
water,
fltrd,
mg/L
(00930) 		Alka-
linity,
wat flt
fxd end
lab,
mg/L as
CaCO3
(29801) 		Alka-
linity,
wat flt
inc tit
field,
mg/L as
CaCO3
(39086) 		Bicar-
bonate,
wat flt
incrm.
titr.,
field,
mg/L
(00453) 		Carbon-
ate,
wat flt
incrm.
titr.,
field,
mg/L
(00452) 		Chlor-
ide,
water,
fltrd,
mg/L
(00940) 		Fluor-
ide,
water,
fltrd,
mg/L
(00950) 		Silica,
water,
fltrd,
mg/L
(00955) 		Sulfate
water,
fltrd,
mg/L
(00945)
OCT                          
17... 28.0 10.8 2.48 0.3 7.67 E111 97 117 0.0 10.1 <0.2 10.6 12.0
DEC                          
03... 43.1 16.9 2.17 0.3 9.12 154 138 166 0.0 14.5 <0.2 9.13 18.6
FEB                          
20... 47.4 19.7 2.16 0.4 12.5 E215 177 211 2 17.6 0.15 9.24 23.7
MAR                          
20... 41.7 17.2 2.98 0.4 12.6 158 155 171 9 18.5 0.14 7.08 19.5
APR                          
17... 33.7 14.7 3.59 0.5 12.4 132 131 124 18 21.1 0.10 <0.13 19.7
30... 26.0 10.4 3.62 0.4 9.74 89 85 104 -- 14.0 <0.17 3.83 16.5
MAY                          
19... 31.8 12.0 3.13 0.3 7.08 105 109 133 -- 12.9 <0.2 3.53 21.9
23... 26.8 10.1 2.91 0.3 6.81 89 89 108 0.0 11.4 <0.2 3.87 18.9
JUN                          
11... 46.4 18.3 2.52 0.3 9.33 201 148 162 9 14.9 <0.2 0.97 32.5
30... 42.2 18.1 2.58 0.3 9.97 148 138 169 -- 16.6 <0.2 2.92 31.0
JUL                          
24... 39.2 15.0 2.21 0.3 8.15 141 145 177 -- 14.1 <0.2 10.6 24.3
AUG                          
19... 39.5 18.2 2.12 0.3 8.79 149 148 145 17 14.9 <0.2 4.04 22.1
SEP                          
08... 38.1 18.9 2.21 0.3 9.01 159 152 163 11 15.4 <0.2 4.00 20.4

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
 Residue
water,
fltrd,
tons/
acre-ft
(70303) 		Residue
on
evap.
at
180degC
wat flt
mg/L
(70300) 		Ammonia
+
org-N,
water,
fltrd,
mg/L
as N
(00623) 		Ammonia
+
org-N,
water,
unfltrd
mg/L
as N
(00625) 		Ammonia
water,
fltrd,
mg/L
as N
(00608) 		Nitrite
+
nitrate
water
fltrd,
mg/L
as N
(00631) 		Nitrite
water,
fltrd,
mg/L
as N
(00613) 		Ortho-
phos-
phate,
water,
fltrd,
mg/L
as P
(00671) 		Phos-
phorus,
water,
fltrd,
mg/L
(00666) 		Phos-
phorus,
water,
unfltrd
mg/L
(00665) 		Organic
carbon,
suspnd
sedimnt
total,
mg/L
(00689) 		Organic
carbon,
water,
fltrd,
mg/L
(00681) 		Alum-
inum,
water,
fltrd,
ug/L
(01106)
OCT                          
17... 0.24 177 0.54 0.97 <0.04 0.99 0.010 0.070 0.085 0.200 2.4 9.8 --
DEC                          
03... 0.31 232 0.42 0.83 <0.04 1.59 E.007 E.006 0.016 0.104 2.4 7.4 --
FEB                          
20... 0.37 268 0.36 0.78 <0.04 1.83 0.017 <0.007 0.009 0.058 2.4 5.2 --
MAR                          
20... 0.32 236 0.33 1.1 <0.04 1.22 0.017 <0.007 0.013 0.151 3.6 5.9 --
APR                          
17... 0.29 212 0.46 1.4 <0.04 0.69 0.018 <0.007 0.017 0.190 6.1 33.6 --
30... 0.22 159 0.56 1.6 <0.04 0.53 0.026 E.004 0.030 0.22 5.4 10.0 2
MAY                          
19... 0.26 192 0.62 1.3 <0.04 1.62 0.046 0.017 0.033 0.191 3.3 21.5 --
23... 0.22 159 0.62 1.2 <0.04 0.95 0.102 0.022 0.041 0.169 -- 15.0 --
JUN                          
11... 0.33 241 0.55 1.3 <0.04 1.59 0.024 <0.007 0.021 0.147 3.8 7.4 --
30... 0.32 236 0.67 1.0 <0.04 1.07 0.035 0.070 0.086 0.155 1.9 10.9 --
JUL                          
24... 0.31 229 0.63 0.91 E.02 1.25 0.019 0.083 0.099 0.167 2.1 9.1 --
AUG                          
19... 0.29 214 0.55 1.2 <0.04 <0.06 <0.008 0.043 0.059 0.175 4.1 8.4 4
SEP                          
08... 0.28 205 0.51 1.1 <0.04 <0.06 <0.008 0.076 0.101 0.199 3.0 9.6 --

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
 Anti-
mony,
water,
fltrd,
ug/L
(01095) 		Arsenic
water,
fltrd,
ug/L
(01000) 		Barium,
water,
fltrd,
ug/L
(01005) 		Beryll-
ium,
water,
fltrd,
ug/L
(01010) 		Boron,
water,
fltrd,
ug/L
(01020) 		Cadmium
water,
fltrd,
ug/L
(01025) 		Chrom-
ium,
water,
fltrd,
ug/L
(01030) 		Cobalt
water,
fltrd,
ug/L
(01035) 		Copper,
water,
fltrd,
ug/L
(01040) 		Iron,
water,
fltrd,
ug/L
(01046) 		Lead,
water,
fltrd,
ug/L
(01049) 		Lithium
water,
fltrd,
ug/L
(01130) 		Mangan-
ese,
water,
fltrd,
ug/L
(01056)
OCT                          
17... -- 0.8 -- -- 20 -- -- -- -- 103 -- 2.2 --
DEC                          
03... -- 0.7 -- -- 28 -- -- -- -- 42 -- 3.8 --
FEB                          
20... -- 0.5 -- -- 42 -- -- -- -- 38 -- 4.4 --
MAR                          
20... -- 0.5 -- -- 23 -- -- -- -- 40 -- 3.3 --
APR                          
17... -- 0.7 -- -- 25 -- -- -- -- 24 -- 3.1 --
30... <0.30 0.7 28 <0.06 17 <0.04 <0.8 0.247 1.1 73 0.10 2.4 3.0
MAY                          
19... -- 0.7 -- -- 22 -- -- -- -- 27 -- 4.0 --
23... -- 0.8 -- -- 19 -- -- -- -- 43 -- 3.1 --
JUN                          
11... -- 1.0 -- -- 21 -- -- -- -- 20 -- 6.2 --
30... -- 1.5 -- -- 32 -- -- -- -- E6 -- 6.3 --
JUL                          
24... -- 1.6 -- -- 21 -- -- -- -- 12 -- 4.7 --
AUG                          
19... <0.30 2.6 39 <0.06 28 <0.04 <0.8 0.266 1.8 E4 0.33 4.8 2.9
SEP                          
08... -- 2.8 -- -- 26 -- -- -- -- E4 -- 4.5 --

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
 Molyb-
denum,
water,
fltrd,
ug/L
(01060) 		Nickel,
water,
fltrd,
ug/L
(01065) 		Selen-
ium,
water,
fltrd,
ug/L
(01145) 		Silver,
water,
fltrd,
ug/L
(01075) 		Stront-
ium,
water,
fltrd,
ug/L
(01080) 		Vanad-
ium,
water,
fltrd,
ug/L
(01085) 		Zinc,
water,
fltrd,
ug/L
(01090) 		2,6-Di-
ethyl-
aniline
water
fltrd
0.7u GF
ug/L
(82660) 		CIAT,
water,
fltrd,
ug/L
(04040) 		Aceto-
chlor,
water,
fltrd,
ug/L
(49260) 		Ala-
chlor,
water,
fltrd,
ug/L
(46342) 		alpha-
HCH,
water,
fltrd,
ug/L
(34253) 		alpha-
HCH-d6,
surrog,
wat flt
0.7u GF
percent
recovry
(91065)
OCT                          
17... -- -- <0.5 -- 51.8 1.5 -- <0.006 E.027 <0.006 <0.004 <0.005 99.1
DEC                          
03... -- -- 0.5 -- 79.4 1.7 -- <0.006 E.023 <0.006 <0.004 <0.005 102
FEB                          
20... -- -- E.4 -- 90.8 1.7 -- <0.006 E.030 <0.006 <0.004 <0.005 96.4
MAR                          
20... -- -- E.3 -- 66.9 0.8 -- <0.006 E.035 <0.006 <0.004 <0.005 94.4
APR                          
17... -- -- E.3 -- 63.2 2.8 -- <0.006 E.020 0.008 <0.004 <0.005 89.8
30... 0.6 1.90 <0.5 <0.2 54.9 1.8 2 <0.006 E.013 0.018 <0.004 <0.005 91.2
MAY                          
19... -- -- E.5 -- 70.9 1.5 -- <0.006 E.033 0.142 0.005 <0.005 101
23... -- -- E.4 -- 54.9 1.5 -- <0.006 E.025 0.096 0.006 <0.005 103
JUN                          
11... -- -- 0.9 -- 95.1 1.9 -- <0.006 E.028 0.071 E.003 <0.005 83.4
30... -- -- 0.9 -- 87.9 2.5 -- <0.006 E.032 0.056 <0.004 <0.005 97.1
JUL                          
24... -- -- 0.6 -- 83.3 2.6 -- <0.006 E.044 0.020 <0.004 <0.005 86.3
AUG                          
19... 1.3 3.01 0.6 <0.2 90.3 4.0 6 <0.006 E.031 E.005 <0.004 <0.005 96.2
SEP                          
08... -- -- 0.6 -- 85.2 3.5 -- <0.006 E.024 <0.006 <0.004 <0.005 90.2

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
 Atra-
zine,
water,
fltrd,
ug/L
(39632) 		Azin-
phos-
methyl,
water,
fltrd
0.7u GF
ug/L
(82686) 		Ben-
flur-
alin,
water,
fltrd
0.7u GF
ug/L
(82673) 		Butyl-
ate,
water,
fltrd,
ug/L
(04028) 		Car-
baryl,
water,
fltrd
0.7u GF
ug/L
(82680) 		Carbo-
furan,
water,
fltrd
0.7u GF
ug/L
(82674) 		Chlor-
pyrifos
water,
fltrd,
ug/L
(38933) 		cis-
Per-
methrin
water
fltrd
0.7u GF
ug/L
(82687) 		Cyana-
zine,
water,
fltrd,
ug/L
(04041) 		DCPA,
water
fltrd
0.7u GF
ug/L
(82682) 		Diazi-
non,
water,
fltrd,
ug/L
(39572) 		Diazi-
non-d10
surrog.
wat flt
0.7u GF
percent
recovry
(91063) 		Diel-
drin,
water,
fltrd,
ug/L
(39381)
OCT                          
17... 0.086 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 112 <0.005
DEC                          
03... 0.043 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 104 <0.005
FEB                          
20... 0.032 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 104 <0.005
MAR                          
20... 0.036 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 119 <0.005
APR                          
17... 0.036 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 104 <0.005
30... 0.037 <0.050 <0.010 0.000 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 104 <0.005
MAY                          
19... 0.237 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 109 <0.005
23... 0.163 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 115 <0.005
JUN                          
11... 0.110 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 110 <0.005
30... 0.196 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 120 <0.005
JUL                          
24... 0.276 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 92.7 <0.005
AUG                          
19... 0.148 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 116 <0.005
SEP                          
08... 0.091 <0.050 <0.010 <0.002 <0.041 <0.020 <0.005 <0.006 <0.018 <0.003 <0.005 100 <0.005

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
 Disul-
foton,
water,
fltrd
0.7u GF
ug/L
(82677) 		EPTC,
water,
fltrd
0.7u GF
ug/L
(82668) 		Ethal-
flur-
alin,
water,
fltrd
0.7u GF
ug/L
(82663) 		Etho-
prop,
water,
fltrd
0.7u GF
ug/L
(82672) 		Fonofos
water,
fltrd,
ug/L
(04095) 		Lindane
water,
fltrd,
ug/L
(39341) 		Linuron
water
fltrd
0.7u GF
ug/L
(82666) 		Mala-
thion,
water,
fltrd,
ug/L
(39532) 		Methyl
para-
thion,
water,
fltrd
0.7u GF
ug/L
(82667) 		Metola-
chlor,
water,
fltrd,
ug/L
(39415) 		Metri-
buzin,
water,
fltrd,
ug/L
(82630) 		Moli-
nate,
water,
fltrd
0.7u GF
ug/L
(82671) 		Naprop-
amide,
water,
fltrd
0.7u GF
ug/L
(82684)
OCT                          
17... <0.02 <0.002 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 E.009 <0.006 <0.002 <0.007
DEC                          
03... <0.02 <0.002 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 E.005 <0.006 <0.002 <0.007
FEB                          
20... <0.02 <0.002 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 E.008 <0.006 <0.002 <0.007
MAR                          
20... <0.02 <0.002 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 E.013 <0.006 <0.002 <0.007
APR                          
17... <0.02 0.003 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 0.046 <0.006 <0.002 <0.007
30... <0.02 <0.002 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 0.027 <0.006 <0.002 <0.007
MAY                          
19... <0.02 0.003 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 0.123 <0.006 <0.002 <0.007
23... <0.02 0.002 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 0.085 <0.006 <0.002 <0.007
JUN                          
11... <0.02 <0.002 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 0.059 <0.006 <0.002 <0.007
30... <0.02 <0.002 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 0.052 <0.006 <0.002 <0.007
JUL                          
24... <0.02 <0.002 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 0.037 <0.006 <0.002 <0.007
AUG                          
19... <0.02 <0.004 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.050 E.012 <0.006 <0.002 <0.007
SEP                          
08... <0.02 <0.002 <0.009 <0.005 <0.003 <0.004 <0.035 <0.027 <0.006 E.007 <0.006 <0.002 <0.007

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
 p,p-'
DDE,
water,
fltrd,
ug/L
(34653) 		Para-
thion,
water,
fltrd,
ug/L
(39542) 		Peb-
ulate,
water,
fltrd
0.7u GF
ug/L
(82669) 		Pendi-
meth-
alin,
water,
fltrd
0.7u GF
ug/L
(82683) 		Phorate
water
fltrd
0.7u GF
ug/L
(82664) 		Prome-
ton,
water,
fltrd,
ug/L
(04037) 		Pron-
amide,
water,
fltrd
0.7u GF
ug/L
(82676) 		Propa-
chlor,
water,
fltrd,
ug/L
(04024) 		Pro-
panil,
water,
fltrd
0.7u GF
ug/L
(82679) 		Propar-
gite,
water,
fltrd
0.7u GF
ug/L
(82685) 		Sima-
zine,
water,
fltrd,
ug/L
(04035) 		Tebu-
thiuron
water
fltrd
0.7u GF
ug/L
(82670) 		Terba-
cil,
water,
fltrd
0.7u GF
ug/L
(82665)
OCT                          
17... <0.003 <0.010 <0.004 <0.022 <0.011 M <0.004 <0.010 <0.011 <0.02 0.011 <0.02 <0.034
DEC                          
03... <0.003 <0.010 <0.004 <0.022 <0.011 <0.01 <0.004 <0.010 <0.011 <0.02 <0.005 <0.02 <0.034
FEB                          
20... <0.003 <0.010 <0.004 <0.022 <0.011 <0.01 <0.004 <0.010 <0.011 <0.02 <0.005 <0.02 <0.034
MAR                          
20... <0.003 <0.010 <0.004 <0.022 <0.011 <0.01 <0.004 <0.010 <0.011 <0.02 <0.005 <0.02 <0.034
APR                          
17... <0.003 <0.010 <0.004 <0.022 <0.011 <0.01 <0.004 <0.010 <0.011 <0.02 0.007 <0.02 <0.034
30... <0.003 <0.010 <0.004 <0.022 <0.011 M <0.004 <0.010 <0.011 <0.02 0.010 <0.02 <0.034
MAY                          
19... <0.003 <0.010 <0.004 <0.022 <0.011 M <0.004 <0.010 <0.011 <0.02 0.013 <0.02 <0.034
23... <0.003 <0.010 <0.004 <0.022 <0.011 M <0.004 <0.010 <0.011 <0.02 0.013 <0.02 <0.034
JUN                          
11... <0.003 <0.010 <0.004 <0.022 <0.011 M <0.004 <0.010 <0.011 <0.02 0.005 <0.02 <0.034
30... <0.003 <0.010 <0.004 <0.022 <0.011 <0.01 <0.004 <0.010 <0.011 <0.02 <0.005 <0.02 <0.034
JUL                          
24... <0.003 <0.010 <0.004 <0.022 <0.011 <0.01 <0.004 <0.010 <0.011 <0.02 <0.010 <0.02 <0.034
AUG                          
19... <0.003 <0.010 <0.004 <0.022 <0.011 E.01 <0.004 <0.010 <0.011 <0.02 0.009 <0.02 <0.034
SEP                          
08... <0.003 <0.010 <0.004 <0.022 <0.011 E.01 <0.010 <0.010 <0.011 <0.02 E.005 <0.02 <0.034

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
 Terbu-
fos,
water,
fltrd
0.7u GF
ug/L
(82675) 		Thio-
bencarb
water
fltrd
0.7u GF
ug/L
(82681) 		Tri-
allate,
water,
fltrd
0.7u GF
ug/L
(82678) 		Tri-
flur-
alin,
water,
fltrd
0.7u GF
ug/L
(82661) 		Uranium
natural
water,
fltrd,
ug/L
(22703) 		Suspnd.
sedi-
ment,
sieve
diametr
percent
<.063mm
(70331) 		Sus-
pended
sedi-
ment
concen-
tration
mg/L
(80154) 		Sus-
pended
sedi-
ment
load,
tons/d
(80155)
OCT                
17... <0.02 <0.005 <0.002 <0.009 -- 98 80 22,000
DEC                
03... <0.02 <0.005 <0.002 <0.009 -- 99 35 2,940
FEB                
20... <0.02 <0.005 <0.002 <0.009 -- 98 5 397
MAR                
20... <0.02 <0.005 <0.002 <0.009 -- 98 33 5,110
APR                
17... <0.02 <0.005 <0.002 <0.009 -- 99 102 11,000
30... <0.02 <0.005 <0.002 <0.009 0.55 97 144 50,200
MAY                
19... <0.02 <0.005 <0.002 <0.009 -- 98 120 40,500
23... <0.02 <0.005 <0.002 <0.009 -- 96 109 46,500
JUN                
11... <0.02 <0.005 <0.002 <0.009 -- 98 51 8,190
30... <0.02 <0.005 <0.002 <0.009 -- 99 34 4,890
JUL                
24... <0.02 <0.005 <0.002 <0.009 -- 99 34 4,840
AUG                
19... <0.02 <0.005 <0.002 <0.009 1.28 99 27 1,720
SEP                
08... <0.02 <0.005 <0.002 <0.009 -- 97 25 986

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
 Time
 Temper-
ature,
water,
deg C
(00010) 		Suspnd.
sedi-
ment,
sieve
diametr
percent
<.063mm
(70331) 		Sus-
pended
sedi-
ment
concen-
tration
mg/L
(80154) 		Date
 Time
 Temper-
ature,
water,
deg C
(00010) 		Suspnd.
sedi-
ment,
sieve
diametr
percent
<.063mm
(70331) 		Sus-
pended
sedi-
ment
concen-
tration
mg/L
(80154)
OCT         MAY        
17... 1015 10.9 97 85 19... 1025 -- 82 154
DEC         23... 1050 -- 97 98
03... 1140 -- 99 36 JUN        
MAR         30... 1110 24.4 99 36
20... 1025 0.9 95 38 JUL        
APR         24... 1020 25.0 99 33
17... 1025 11.2 99 93 AUG        
30... 1040 14.1 97 138 19... 1045 27.4 99 31
          SEP        
          08... 1125 24.6 96 29



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data