Phosphorus : a summary of information regarding lake water quality /

"August, 1986."

Report on long-term financial support of water quality testing /

"November 02, 1992."--Cover.

Restoring Illinois water quality with TMDLs.

The establishment of a Total Maximum Daily Load sets the pollutant reduction goal necessary to improve impaired waters. It determines the load, or quantity of any given pollutant that can be allowed in a particular water body. A TDML must consider all potential sources of pollutants whether point or nonpoint. It also takes into account a margin of safety, which reflects scientific uncertainty, as well as the effects of seasonal variation.

Section 208 water quality management planning work plan and budget : summary.

Cover title: Water quality management planning.

Station locations and periods of record, IEPA ambient water quality monitoring network /

Mode of access: Internet.

Technical analysis of the State implementation plan for the attainment and maintenance of the suspended particulate ambient air quality standards in the Quad Cities air quality maintenance area /

Includes bibliographical references.

Technical analysis of the State implementation plan for the attainment and maintenance of the suspended particulate ambient air quality standards in the Chicago air quality maintenance area.

"October 1979."

The effects of hydrologic modifications on aquatic biota, stream hydrology and water quality : a literature review /

"IEPA/WPC/84-001."-- Cover.

The Economic analysis of proposed site specific changes to water quality regulations affecting Borden Chemical Company /

"ILENR/RE-EA-89/07."

The Influences of land uses and stream modifications on water quality in the streams of the Court Creek Watershed /

"Contract WR 22."

The Illinois water quality management plan /

"IPEA/WPC/92-220"--Cover.

Water quality in Illinois, 1990-1991.

"IEPA/WPC/92-224."

Water quality and biological investigations in the Lake Shelbyville, Illinois Basin.

"Annual report submitted to the U.S. Army Corps of Engineers, St. Louis District, St. Louis, Missouri."

Water quality manual /

Designated as Appendix 1, Order 17-13 of the Illinois Dept. of Transportation's Departmental orders.

Water quality provinces of Illinois /

Bibliography: p. 73-77.