Water quality network; summary of data.

Mode of access: Internet.

Annotated bibliography on the effects of irrigation practices on stream water quality with emphasis on salinity and pesticides /

Mode of access: Internet.

A biological and water quality survey of Sugar Creek and tributaries, Crawford County, Illinois, August-September, 1992 /

"IEPA/WPC/93-063."--Cover.

A method for determining drainage areas, flow distances, and civil areas for water quality subsegments in Illinois /

Cover title.

A mass balance accounting procedure for estimating contributions to water quality /

Bibliography: p. 12.

A water quality information system in support of the state of Illinois standards review process /

Cover title.

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.

An Issues/options paper for comprehensive water quality standards for groundwater /

"December 1988."--Cover.

Analysis of water quality standards, Upper Sangamon Basin, Illinois /

Cover title.