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 current year.

 

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

BIOLOGICAL

 

BENTHIC MACROINVERTEBRATES: Water years 1998-99, and 2002.

 

FISH: Water years 1998-99, and 2002-03.

 

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.

 

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.--Fish community samples were collected as part of the National Water-Quality Assessment program (NAWQA) in the Upper Illinois River Basin. Collection methods followed Meador and others (1993). Collections were made with a boat electroshocker, and seine. Fishes were identified by C. A. Taylor, Illinois Natural History Survey, Champaign. Reach A begins at the red buoy near river mile 239, marking the top of Hitt Island, and continues downstream for 3281 feet, which is 492 feet downstream of the Ottawa navigation light number 238.5.



FISH
Order
Family Number
Scientific name Common name
individuals

  Reach A
8/19/1999
 

Clupeiformes
Clupeidae
Dorosoma cepedianum gizzard shad 33
Cypriniformes
Catostomidae
Carpiodes carpio river carpsucker 3
Carpiodes cyprinus quillback 2
Ictiobus bubalus smallmouth buffalo 41
Moxostoma erythrurum golden redhorse 2
Moxostoma macrolepidotum shorthead redhorse 4
Cyprinidae
Cyprinella spiloptera spotfin shiner 3
Cyprinus carpio common carp 7
Macrhybopsis storeriana silver chub 1
Notropis atherinoides emerald shiner 109
Pimephales notatus bluntnose minnow 1
Pimephales vigilax bullhead minnow 15
Perciformes
Centrarchidae
Lepomis cyanellus green sunfish 1
Lepomis macrochirus bluegill 1
Micropterus dolomieu smallmouth bass 3
Pomoxis nigromaculatus black crappie 1
Percichthyidae
Morone chrysops white bass 8
Morone mississippiensis yellow bass 1
Sciaenidae
Aplodinotus grunniens freshwater drum 6
Siluriformes
Ictaluridae
Ictalurus punctatus channel catfish 2


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data