05584500 DATA: Habitat, 1996

Station list Available data
ILLINOIS RIVER BASIN

05584500 LA MOINE RIVER AT COLMAR, IL


LOCATION.-- Lat 40°19'49", long 90°53'46" (NAD of 1927), in SE1/4SW1/4 sec.18, T.4 N., R.4 W., McDonough County, Hydrologic Unit 07130010, on right bank at downstream side of bridge on State Highway 61, 0.2 mi downstream from a railroad bridge, 1 mi southwest of Colmar, 1.8 mi upstream from Troublesome Creek, and at mile 61.8.

DRAINAGE AREA.-- 655 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1944 to current year.
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1975-91 and 1998.
	MISCELLANEOUS: Contaminants in streambed sediments, July 1997; contaminants in fish tissue, July 1997; streambank sediment size, October 1997; streambed sediment size, October 1997.
BIOLOGICAL
	BENTHIC MACROINVERTEBRATES: Water years 1996-1998.
	FISH: Water year 1997 and 1998.
	HABITAT: Water years 1996-1998.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and crest-stage gage. Datum of gage is 491.53 ft above NGVD of 1929. Prior to July 13, 1945, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 38,900 ft³/s, Mar. 5, 1985, gage height, 26.61 ft; maximum gage height, 27.03 ft, Jan. 3, 1965, ice jam; no flow part of each day Dec. 8, 9, 12, 13, 17, 21, 1955, due to temporary dam upstream; no flow Oct. 19, 1988.

REMARKS FOR CURRENT YEAR.--Habitat measurements, including physical and geomorphic, were collected as part of the National Water-Quality Assessment program (NAWQA) in the lower Illinois River Basin. The measurements were collected according to Meador and others (1993). Reach A begins 1326 ft downstream of the State Highway 61 bridge (gage) and continues downstream for 1283 ft.

Tabular-Text Files of Habitat Data for Water Year 1996

The following links list up to five tab-delimited text files containing habitat data collected at several sites. An explanation of column headers in these files can be accessed at this link.

Reach -- General description of the sampled reach.

Transect -- Channel and bank measurements made along transects (cross sections) within each reach.

Channel features -- Measurements of bars, shelves, and islands at each transect (cross section).

Transect Points -- Channel and substrate measurements and observations at points along a transect (cross section).