A water quality survey of the Grand Calumet River from the Indiana State line to Burnham, Illinois : the Grand Calumet River portion of segment A-12 Des Plaines/Lake Michigan Basins, April-August, 1978.

Edited by Robert Schacht.

A water quality investigation of the Crooked Creek Basin (Kaskaskia River Basin Segment A-02), July - August 1978 /

Bibliography: p. 61-62.

An assessment of the water quality of the Rock River Basin derived from a biological investigation /

"Prepared for the Illinois Environmental Protection Agency."

An assessment of the water quality of the Cache River Basin derived from a biological investigation /

"Prepared for the Illinois Environmental Protection Agency."

An Inventory of Court Creek Watershed characteristics that may relate to water quality in the watershed /

"August 1983."

An application of factor analysis to water quality data /

Cover title.

An intensive water quality survey of the Rock River from Rockford to Byron, Illinois, May-October, 1978 /

Bibliography: p. 35.

Assessment of nonpoint source impacts on Illinois water quality.

"IEPA/WPC/88-020."

Biological and water quality survey of the Carroll Creek Watershed, Carroll County, Illinois, 1987-1988.

"IEPA/WPC/89-163."--Cover.

Biological and water quality survey of three tributaries to the Sangamon River : South Fork basin, Mosquito Creek and Long Point Slough, September thru November, 1989 : Staff Report /

"May 1991."

Biological and water quality survey of the Vermilion River Vermilion County, Illinois, 1994 /

"May 1995."

Data collection methods and summaries for the assessment of stream water quality in the Vermilion River Basin (Wabash River), 2001 /

Cover title.

Economic impact of existing ammonia nitrogen water quality standard, IPCB chapter 3 rule 203(f) /

"July, 1981."

Economic impact of proposed water quality and effluent standard amendments for water in the Sangamon River Basin /

"November 1986."

Elements of a water quality information system for the State of Illinois /

Cover title.