Treated water demand and the economics of regionalization /

Mode of access: Internet.

State Water Plan Task Force special report on ground-water supply and demand in Illinois /

"ISWS/RI-116/91."

An intensive survey of the Little Vermilion River as affected by seasonal variation, 1992 /

"March 1993."

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.

Seasonal and daily microhabitat selection by Illinois stream fishes /

"Final report 10 June 1982."