Station list     Available data
ILLINOIS RIVER BASIN


05553500       ILLINOIS RIVER AT OTTAWA, IL



LOCATION.-- Lat 41°20'17", long 88°51'10", 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: November 11, 1902 to December 31, 1903.
 

PARTIAL RECORD: Miscellaneous discharge measurement, water year 2001.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1997 to current.
 

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

BENTHIC MACROINVERTEBRATES: Water years 1998 and 1999.
 

FISH: Water years 1998 and 1999.
 

HABITAT: Water years 1998 and 1999.

GAGE.-- Chain gage read twice daily. Prior to November 1, 1903, vertical staff at west end of first pier from the north abutment of the railroad bridge at same datum. Datum of gage is 579.48 ft above sea level (Chicago city datum).

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 46,900 ft3/s, Apr. 15, 1903, gage height, -119.08 ft CCD (460.40 ft above sea level); minimum discharge, 6,740 ft3/s, Sept. 8, 1903.

REMARKS FOR CURRENT YEAR.-- Sampled as part of the Upper Illinois River Basin (UIRB) National Water Quality Assessment Program (NAWQA). Discharge in table are the sum of discharges for station 05552500 (Fox River at Dayton) and 05543500 (Illinois River at Marseilles).
SURFACE-WATER QUALITY
DIS- PH
AGENCY AGENCY CHARGE, WATER SPE- MAGNE- POTAS-
ANA- COL- INST. WHOLE CIFIC CALCIUM SIUM, SIUM,
LYZING LECTING CUBIC OXYGEN, FIELD CON- TEMPER- TEMPER- DIS- DIS- DIS-
SAMPLE SAMPLE FEET DIS- (STAND- DUCT- ATURE ATURE SOLVED SOLVED SOLVED
DATE TIME (CODE (CODE PER SOLVED ARD ANCE AIR WATER (MG/L (MG/L (MG/L
NUMBER) NUMBER) SECOND (MG/L) UNITS) (US/CM) (DEG C) (DEG C) AS CA) AS MG) AS K)
(00028) (00027) (00061) (00300) (00400) (00095) (00020) (00010) (00915) (00925) (00935)
OCT 2000
11... 1200 80020 81700 4180 10.9 8.1 704 18.5 12.4 59.1 25.0 4.97
NOV 2000
16... 1330 80020 81700 10700 12.0 8.3 746 1.0 6.0 68.0 29.3 4.25
DEC 2000
12... 1430 80020 81700 -- 14.5 8.1 812 -13.5 1.3 76.2 32.2 5.30
JAN 2001
18... 1100 80020 81700 -- 14.0 7.9 1210 -4.0 2.1 75.4 32.6 5.79
FEB 2001
14... 1230 80020 81700 33400 14.0 7.7 782 2.0 3.2 59.2 23.3 4.25
MAR 2001
21... 1150 80020 81700 17000 12.1 7.9 916 11.0 7.3 71.4 29.0 3.64
APR 2001
26... 1050 80020 81700 13500 10.7 8.1 885 20.0 15.8 74.8 29.5 4.01
MAY 2001
17... 1100 80020 81700 8890 9.3 8.2 914 28.0 22.5 68.0 28.7 4.79
JUN 2001
14... 1140 80020 81700 15600 6.9 7.9 758 31.0 25.0 72.8 29.8 4.38
JUL 2001
20... 0950 80020 81700 4520 7.5 8.1 755 31.0 29.2 60.5 25.7 5.14
AUG 2001
23... 1050 80020 81700 5320 781 8.1 845 25.0 26.0 54.3 24.2 6.56
ALKA- BICAR- CAR- SOLIDS, NITRO- NITRO- NITRO- NITRO-
LINITY BONATE BONATE CHLO- FLUO- SILICA, RESIDUE GEN, GEN,AM- GEN,AM- GEN,
SODIUM, WAT DIS WATER WATER RIDE, RIDE, DIS- SULFATE AT 180 AMMONIA MONIA + MONIA + NO2+NO3
DIS- TOT IT DIS IT DIS IT DIS- DIS- SOLVED DIS- DEG. C DIS- ORGANIC ORGANIC DIS-
SOLVED FIELD FIELD FIELD SOLVED SOLVED (MG/L SOLVED DIS- SOLVED DIS. TOTAL SOLVED
DATE (MG/L MG/L AS MG/L AS MG/L AS (MG/L (MG/L AS (MG/L SOLVED (MG/L (MG/L (MG/L (MG/L
AS NA) CACO3 HCO3 CO3 AS CL) AS F) SIO2) AS SO4) (MG/L) AS N) AS N) AS N) AS N)
(00930) (39086) (00453) (00452) (00940) (00950) (00955) (00945) (70300) (00608) (00623) (00625) (00631)
OCT 2000
11... 52.1 170 207 -- 80.7 .5 4.9 65.2 425 .157 .77 1.4 2.89
NOV 2000
16... 43.0 194 237 -- 72.7 .4 5.9 69.4 443 .071 .58 .73 3.98
DEC 2000
12... 58.8 219 267 -- 96.4 .5 5.7 91.0 555 -- -- -- --
JAN 2001
18... 140 231 277 2 232 .5 6.3 88.1 756 .699 1.3 1.4 5.00
FEB 2001
14... 55.6 146 178 -- 103 .2 7.0 53.8 450 .268 .73 1.4 7.10
MAR 2001
21... 80.4 189 231 -- 149 .4 5.2 75.4 586 .223 .76 1.0 6.29
APR 2001
26... 59.7 199 232 5 109 .3 3.6 71.1 532 <.041 .71 1.1 5.36
MAY 2001
17... 68.5 193 226 5 120 .4 2.1 74.2 531 E.022 .55 1.4 3.70
JUN 2001
14... 41.5 191 221 6 73.3 .4 5.5 60.0 458 .043 .73 1.3 7.33
JUL 2001
20... 53.2 171 209 -- 82.7 .5 4.9 69.9 435 <.040 .54 .98 4.12
AUG 2001
23... 77.5 176 215 -- 118 .6 4.4 73.3 489 <.040 .53 .99 3.33
NITRO- PHOS- 2,6-DI- BEN-
GEN, PHOS- PHORUS MANGA- ETHYL ACETO- ALA- ATRA- FLUR- BUTYL-
NITRITE PHORUS ORTHO, PHOS- IRON, NESE, ANILINE CHLOR, CHLOR, ALPHA ZINE, ALIN ATE,
DIS- DIS- DIS- PHORUS DIS- DIS- WAT FLT WATER WATER, BHC WATER, WAT FLD WATER,
SOLVED SOLVED SOLVED TOTAL SOLVED SOLVED 0.7 U FLTRD DISS, DIS- DISS, 0.7 U DISS,
DATE (MG/L (MG/L (MG/L (MG/L (UG/L (UG/L GF, REC REC REC, SOLVED REC GF, REC REC
AS N) AS P) AS P) AS P) AS FE) AS MN) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(00613) (00666) (00671) (00665) (01046) (01056) (82660) (49260) (46342) (34253) (39632) (82673) (04028)
OCT 2000
11... .058 .567 .544 1.14 M 29.7 -- -- -- -- -- -- --
NOV 2000
16... .030 .318 .269 .380 M 4.0 -- -- -- -- -- -- --
DEC 2000
12... -- -- -- -- 10 7.5 -- -- -- -- -- -- --
JAN 2001
18... .245 .643 .667 .731 20 18.5 -- -- -- -- -- -- --
FEB 2001
14... .045 .149 .163 .353 10 17.7 <.002 .018 <.004 <.005 .085 <.010 <.002
MAR 2001
21... .054 .251 .228 .347 M 15.1 <.002 .024 <.002 <.005 .088 <.010 <.002
APR 2001
26... .076 .267 .204 .373 M E2.5 <.002 .107 .020 <.005 .846 <.010 <.002
MAY 2001
17... .066 .382 .349 .557 M <3.0 <.002 .276 .074 <.005 1.80 <.010 <.002
JUN 2001
14... .051 .216 .217 .361 <10 <3.0 <.002 .364 .015 <.005 1.93 <.010 <.002
JUL 2001
20... .040 .426 .418 .542 <10 <3.0 <.002 .823 .018 <.005 .874 <.010 <.002
AUG 2001
23... .070 .692 E.609 .743 <10 <3.0 <.002 .172 <.002 <.005 .364 <.010 <.002
CAR- CARBO- DEETHYL DISUL- ETHAL- ETHO-
BARYL FURAN CYANA- DCPA ATRA- FOTON EPTC FLUR- PROP
WATER WATER CHLOR- ZINE, WATER ZINE, DI- DI- WATER WATER ALIN WATER FONOFOS
FLTRD FLTRD PYRIFOS WATER, FLTRD WATER, AZINON, ELDRIN FLTRD FLTRD WAT FLT FLTRD WATER
0.7 U 0.7 U DIS- DISS, 0.7 U DISS, DIS- DIS- 0.7 U 0.7 U 0.7 U 0.7 U DISS
DATE GF, REC GF, REC SOLVED REC GF, REC REC SOLVED SOLVED GF, REC GF, REC GF, REC GF, REC 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)
(82680) (82674) (38933) (04041) (82682) (04040) (39572) (39381) (82677) (82668) (82663) (82672) (04095)
OCT 2000
11... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV 2000
16... -- -- -- -- -- -- -- -- -- -- -- -- --
DEC 2000
12... -- -- -- -- -- -- -- -- -- -- -- -- --
JAN 2001
18... -- -- -- -- -- -- -- -- -- -- -- -- --
FEB 2001
14... <.040 <.020 <.005 E.013 <.003 E.040 .007 <.005 <.021 <.002 <.009 <.005 <.003
MAR 2001
21... <.041 <.020 <.005 <.018 <.003 E.024 .006 <.005 <.021 <.002 <.009 <.005 <.003
APR 2001
26... E.005 <.020 <.005 E.007 <.003 E.035 .027 <.005 <.021 <.002 <.009 <.005 <.003
MAY 2001
17... E.010 <.020 <.005 <.018 <.003 E.060 .026 <.005 <.021 <.002 <.009 <.005 <.003
JUN 2001
14... <.041 <.020 E.003 .030 <.003 E.262 .022 <.005 <.021 <.002 <.009 <.005 <.003
JUL 2001
20... <.041 <.020 <.005 <.018 <.003 E.025 .020 <.005 <.021 <.002 <.009 <.005 <.003
AUG 2001
23... <.041 <.020 <.005 <.018 <.003 E.018 .040 <.005 <.021 <.002 <.009 <.005 <.003
LIN- METHYL METHYL MOL- NAPROP- PEB- PENDI-
URON AZIN- PARA- METRI- INATE AMIDE ULATE METH-
WATER MALA- PHOS THION METO- BUZIN WATER WATER PARA- WATER ALIN
LINDANE FLTRD THION, WAT FLT WAT FLT LACHLOR SENCOR FLTRD FLTRD P,P' THION, FILTRD WAT FLT
DIS- 0.7 U DIS- 0.7 U 0.7 U WATER WATER 0.7 U 0.7 U DDE DIS- 0.7 U 0.7 U
DATE SOLVED GF, REC SOLVED GF, REC GF, REC DISSOLV DISSOLV GF, REC GF, REC DISSOLV SOLVED 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)
(39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542) (82669) (82683)
OCT 2000
11... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV 2000
16... -- -- -- -- -- -- -- -- -- -- -- -- --
DEC 2000
12... -- -- -- -- -- -- -- -- -- -- -- -- --
JAN 2001
18... -- -- -- -- -- -- -- -- -- -- -- -- --
FEB 2001
14... <.004 <.035 <.027 <.050 <.006 .150 <.006 <.002 <.007 <.003 <.007 <.002 <.010
MAR 2001
21... <.004 <.035 <.027 <.050 <.006 .072 <.006 <.002 <.007 <.003 <.007 <.002 <.010
APR 2001
26... <.004 <.035 <.027 <.050 <.006 .501 <.006 <.002 <.007 <.003 <.007 <.002 <.011
MAY 2001
17... <.004 <.035 <.027 <.050 <.006 .755 <.006 <.002 <.007 <.003 <.007 <.002 <.010
JUN 2001
14... <.004 <.035 <.027 <.050 <.006 .406 .011 <.002 <.007 <.003 <.007 <.002 <.010
JUL 2001
20... <.004 <.035 <.027 <.050 <.006 .100 <.006 <.002 <.007 <.003 <.007 <.002 <.010
AUG 2001
23... <.004 <.035 <.027 <.050 <.006 .017 <.006 <.002 <.007 <.003 <.007 <.002 <.010
PER- PRON- PRO- PRO- TEBU- TER- TER- TER- THIO-
METHRIN PHORATE PRO- AMIDE PROPA- PANIL PARGITE SI- THIURON BACIL BUFOS BUTHYL- BENCARB
CIS WATER METON, WATER CHLOR, WATER WATER MAZINE, WATER WATER WATER AZINE, WATER
WAT FLT FLTRD WATER, FLTRD WATER, FLTRD FLTRD WATER, FLTRD FLTRD FLTRD WATER, FLTRD
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 DISS, 0.7 U
DATE GF, REC GF, REC REC GF, REC REC GF, REC GF, REC REC GF, REC GF, REC GF, REC 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)
(82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675) (04022) (82681)
OCT 2000
11... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV 2000
16... -- -- -- -- -- -- -- -- -- -- -- -- --
DEC 2000
12... -- -- -- -- -- -- -- -- -- -- -- -- --
JAN 2001
18... -- -- -- -- -- -- -- -- -- -- -- -- --
FEB 2001
14... <.006 <.011 E.008 <.004 <.010 <.011 <.023 .039 E.013 <.034 <.017 -- <.005
MAR 2001
21... <.006 <.011 E.007 <.004 <.010 <.011 <.023 E.007 E.009 <.034 <.017 -- <.005
APR 2001
26... <.006 <.011 E.010 <.004 <.010 E.004 <.023 .411 E.011 <.034 <.017 -- <.005
MAY 2001
17... <.006 <.011 .016 <.004 <.010 <.011 <.023 .051 E.013 <.034 <.017 -- <.005
JUN 2001
14... <.006 <.011 .017 <.004 <.010 <.011 <.023 .312 E.013 E.008 <.017 E.003 <.005
JUL 2001
20... <.006 <.011 .031 <.004 <.010 <.011 <.023 .025 E.015 <.034 <.017 E.007 <.005
AUG 2001
23... <.006 <.011 .037 <.004 <.010 <.011 <.023 .012 E.034 <.034 <.017 -- <.005
TRIAL- TRI- SED.
LATE FLUR- SUSP.
WATER ALIN SIEVE SEDI-
FLTRD WAT FLT DIAM. MENT,
0.7 U 0.7 U % FINER SUS-
DATE GF, REC GF, REC THAN PENDED
(UG/L) (UG/L) .062 MM (MG/L)
(82678) (82661) (70331) (80154)
OCT 2000
11... -- -- 93 298
NOV 2000
16... -- -- 97 75
DEC 2000
12... -- -- 99 81
JAN 2001
18... -- -- 4 111
FEB 2001
14... .007 E.002 93 131
MAR 2001
21... E.004 <.009 97 113
APR 2001
26... .004 <.009 95 134
MAY 2001
17... .005 <.009 95 145
JUN 2001
14... .003 <.009 96 145
JUL 2001
20... .009 <.009 97 91
AUG 2001
23... .015 <.009 95 100
<</td> Less than
E Estimated value
M Presence verified, not quantified


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data