Station list     Available data
ILLINOIS RIVER BASIN


05553500       ILLINOIS RIVER AT OTTAWA, IL

 

LOCATION.-- Lat 41°20'17", long 88°51'10" (NAD of 1927), in SW1/4SW1/4 sec.11, T.33 N., R.3 E., LaSalle County, Hydrologic Unit 07130001, downstream of the railroad bridge, 0.25 miles, and downstream 0.5 miles of the Route 23 bridge in Ottawa and the confluence with the Fox River.
 

DRAINAGE AREA.-- 10,949 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: March 11, 1903 to December 31, 1903.
 

PARTIAL RECORD: Miscellaneous discharge measurements, water years 1903-1904.

SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1997 to 2004.
 

MISCELLANEOUS: Contaminants in streambed sediments, August 1998; contaminants in fish tissue, August, 1998.

BIOLOGICAL
 

ALGAE: Water years 1998-99 and 2002-03.
 

BENTHIC MACROINVERTEBRATES: Water years 1998-99 and 2002.
 

FISH: Water years 1998-99 and 2002-04.
 

HABITAT: Water years 1998-99.
 

GAGE.-- Prior to November 1, 1903, vertical staff at west end of first pier from the north abutment of the railroad bridge at same datum. November 1, 1903 to February 21, 1904, chain gage read twice daily. Datum of gage is 579.48 ft above NGVD of 1929.
 

REMARKS.-- Discharges for surface-water quality data for water years 1997 to current are computed by adding discharges of Illinois River at Marseilles (05543500) and Fox River at Dayton, IL (05552500).
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 46,900 ft3/s, Apr. 15, 1903, gage height, -119.08 ft (460.40 ft above NGVD of 1929); minimum discharge, 6,740 ft3/s, Sept. 8, 1903.
 

REMARKS FOR CURRENT YEAR.--Sampled as part of the Lower Illinois River Basin (LIRB) National Water Quality Assessment Program (NAWQA).
SURFACE-WATER QUALITY
 
Alka- Bicar- Carbon-
Dis- pH, Specif. linity, bonate, ate,
Agency Agency Instan- solved water, conduc- wat flt wat flt wat flt
col- ana- taneous Dis- oxygen, unfltrd tance, Temper- Temper- inc tit incrm. incrm.
lecting lyzing dis- solved percent field, wat unf ature, ature, field, titr., titr.,
Date Time sample, sample, charge, oxygen, of sat- std uS/cm air, water, mg/L as field, field,
code code cfs mg/L uration units 25 degC deg C deg C CaCO3 mg/L mg/L
(00027) (00028) (00061) (00300) (00301) (00400) (00095) (00020) (00010) (39086) (00453) (00452)
OCT 2003
16... 1120 81700 80020 E9710 9.5 100 8.5 820 12.0 17.4 160 E194 <1
DEC
03... 1030 81700 80020 E9300 13.7 107 8.4 760 3.0 5.0 189 228 1
FEB 2004
26... 1120 81700 80020 E11600 11.9 88 7.9 1160 6.0 2.9 180 E218 <1
APR
08... 1125 81700 80020 E11800 13.0 120 8.5 890 15.0 12.5 220 264 2
MAY
14... 1050 81700 80020 E20300 8.9 103 8.1 967 16.0 23.0 182 E220 E1
JUN
11... 1025 81700 80020 E23900 --    -- 8.0 809 26.0 25.4 200 238 2
JUL
07... 0950 81700 80020 E11200 7.5 92 8.4 762 20.5 25.8 176 209 3
AUG
04... 0955 81700 80020 E16100 7.8 100 8.3 718 24.0 28.2 150 180 1
Nitrite Ortho- Total 2,6-Di-
+ phos- nitro- ethyl-
Chlor- Ammonia nitrate Nitrite phate, Phos- gen, aniline Aceto- Ala- alpha-
ide, Sulfate water, water water, water, phorus, wat unf water CIAT, chlor, chlor, HCH,
water, water, fltrd, fltrd, fltrd, fltrd, water, by anal fltrd water, water, water, water,
Date fltrd, fltrd, mg/L mg/L mg/L mg/L unfltrd ysis, 0.7u GF fltrd, fltrd, fltrd, fltrd,
mg/L mg/L as N as N as N as P mg/L mg/L ug/L ug/L ug/L ug/L ug/L
(00940) (00945) (00608) (00631) (00613) (00671) (00665) (62855) (82660) (04040) (49260) (46342) (34253)
OCT 2003
16... 98.5 89.5 <.04 4.24 .075 .641 .88 5.80 <.006 E.026 .037 .041 <.005
DEC
03... 66.6 79.3 .04 6.22 .038 .181 .29 7.36 <.006 E.006 .065 <.010 <.005
FEB 2004
26... 211    78.3 <.04 5.23 .094 .493 .61 6.58 <.006 E.023 .360 <.006 <.005
APR
08... 101    75.4 <.04 6.63 .043 .124 .24 7.80 E.004 E.021 .032 <.005 <.005
MAY
14... 122    85.0 E.02 6.07 .075 .493 .92 7.35 <.006 E.057 .524 .021 <.005
JUN
11... 76.6 58.4 <.04 5.44 .044 .219 .54 6.89 <.006 E.141 .253 .016 <.005
JUL
07... 84.8 68.3 <.04 4.14 .054 .393 .63 4.49 .012 E.060 .321 .010 <.005
AUG
04... 78.4 71.2 <.04 3.30 .041 .474 .69 4.16 <.006 E.032 .076 <.005 <.005
Azin- Ben- cis-
phos- flur- Car- Carbo- Per- Disul-
Atra- methyl, alin, Butyl- baryl, furan, Chlor- methrin Cyana- DCPA, Diazi- Diel- foton,
zine, water, water, ate, water, water, pyrifos water zine, water non, drin, water,
water, fltrd fltrd water, fltrd fltrd water, fltrd water, fltrd water, water, fltrd
Date fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF fltrd, fltrd, 0.7u GF
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
(39632) (82686) (82673) (04028) (82680) (82674) (38933) (82687) (04041) (82682) (39572) (39381) (82677)
OCT 2003
16... .259 <.050 <.010 <.002 <.041 <.020 <.005 <.006 <.018 <.003 .010 <.005 <.02
DEC
03... .174 <.050 <.010 <.004 <.041 <.020 <.005 <.006 <.018 <.003 .007 <.009 <.02
FEB 2004
26... .459 <.050 <.010 <.004 <.041 <.020 <.005 <.006 <.018 <.003 .015 <.009 <.02
APR
08... .156 <.050 <.010 <.004 E.006 <.020 <.005 <.006 <.018 <.003 .007 <.009 <.02
MAY
14... 1.21   <.050 <.010 <.004 <.041 <.020 <.005 <.006 <.018 .003 .018 <.009 <.02
JUN
11... 1.80   <.050 <.010 <.004 <.041 <.020 <.010 <.006 <.018 <.003 .007 <.009 <.02
JUL
07... .974 <.050 <.010 <.004 <.041 <.020 <.005 <.006 <.018 <.003 .011 <.009 <.02
AUG
04... .278 <.050 <.010 <.004 <.041 <.020 <.005 <.006 <.018 <.003 .007 <.009 <.02
Ethal- Methyl
flur- Etho- para- Moli- Naprop-
EPTC, alin, prop, Linuron Mala- thion, Metola- Metri- nate, amide, p,p'-
water, water, water, Fonofos Lindane water thion, water, chlor, buzin, water, water, DDE,
fltrd fltrd fltrd water, water, fltrd water, fltrd water, water, fltrd fltrd water,
Date 0.7u GF 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF fltrd, 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd,
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
(82668) (82663) (82672) (04095) (39341) (82666) (39532) (82667) (39415) (82630) (82671) (82684) (34653)
OCT 2003
16... <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.070 .117 <.006 <.002 <.007 <.003
DEC
03... <.004 <.009 <.005 <.003 <.004 <.035 <.027 <.015 .026 <.006 <.003 <.007 <.003
FEB 2004
26... <.004 <.009 <.005 <.003 <.004 <.035 <.027 <.015 .113 <.006 <.003 <.007 <.003
APR
08... <.004 <.009 <.005 <.003 <.004 <.035 <.027 <.015 .057 <.006 <.003 <.007 <.003
MAY
14... <.004 <.009 <.005 <.003 <.004 <.035 <.027 <.015 .215 <.006 <.003 <.007 <.003
JUN
11... <.004 <.009 <.005 <.003 <.004 <.035 <.027 <.015 .437 <.006 <.003 <.007 <.003
JUL
07... <.004 <.009 <.005 <.003 <.010 <.035 <.027 <.015 .120 <.006 <.003 <.007 <.003
AUG
04... <.004 <.009 <.005 <.003 <.004 <.035 <.027 <.015 .033 <.006 <.003 <.007 <.003
Pendi-
Peb- meth- Propy- Pro- Propar- Tebu- Terba- Terbu-
Para- ulate, alin, Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,
thion, water, water, water ton, water, chlor, water, water, zine, water water, water,
water, fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd
Date fltrd, 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF
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
(39542) (82669) (82683) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)
OCT 2003
16... <.010 <.004 <.022 <.011 E.01 <.004 <.010 <.011 <.02 .030 E.01 <.034 <.02
DEC
03... <.010 <.004 <.022 <.011 .01 <.004 <.025 <.011 <.02 .039 <.02 <.034 <.02
FEB 2004
26... <.010 <.004 <.022 <.011 .01 <.004 <.025 <.011 <.02 .053 <.02 <.034 <.02
APR
08... <.010 <.004 <.022 <.011 .01 <.004 <.025 <.011 <.02 .017 E.01 <.034 <.02
MAY
14... <.010 <.004 <.022 <.011 .02 <.004 <.025 <.011 <.02 .022 E.01 <.034 <.02
JUN
11... <.010 <.004 .031 <.011 .02 <.004 <.025 <.011 <.02 .089 <.02 <.034 <.02
JUL
07... <.010 <.004 <.022 <.011 .02 <.004 <.025 <.011 <.02 .028 <.02 <.034 <.02
AUG
04... <.010 <.004 <.022 <.011 .04 <.004 <.025 <.011 <.02 .014 E.01 <.034 <.02
Tri- Sus-
Thio- Tri- flur- pended
bencarb allate, alin, sedi-
water water, water, ment
fltrd fltrd fltrd concen-
Date 0.7u GF 0.7u GF 0.7u GF tration
ug/L ug/L ug/L mg/L
(82681) (82678) (82661) (80154)
OCT 2003
16... <.005 .015 <.009 86
DEC
03... <.010 .009 <.009 76
FEB 2004
26... <.010 .004 <.009 113
APR
08... <.010 .011 <.009 84
MAY
14... <.010 .010 <.009 230
JUN
11... <.010 <.002 <.009 190
JUL
07... <.010 <.002 <.009 146
AUG
04... <.010 <.002 <.009 123
Remark codes used in this table:
< -- Less than
E -- Estimated value


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data