Economic impact study of proposed site specific changes to water pollution regulations affecting the city of Tuscola, Douglas County, Illinois : final report /

Contract: EA 44.

Dynamic modeling and monitoring of water, sediment, nutrients, and pesticides in agricultural watersheds during storm events /

"Contract report 655"--Cover.

Final water pollution control program plan /

Description based on: federal fiscal year 1978.

Groundwater quality standards in other states : a survey report

"Printed: January 1988."

Hydrology, nutrient, and sediment monitoring for Hurricane and Kickapoo Creek watersheds, water year 2000-2002 : pilot watershed program /

"Prepared for the Illinois Dept. of Natural Resources."

Illinois State water plan 1981 progress report /

Mode of access: Internet.

Illinois state water plan : status of implementation /

"January 1990."

Illinois state water plan : critical issues, cross-cutting topics, operating issues /

"January 1984."

Illinois water monitoring strategy, 2007-2012.

"IEPA/BOW/07-005."--Cover.

Illinois water resources : an overview /

Cover title.

Illinois water data catalog report /

"IEPA/WPC/85-007."-- Cover.

Inventory of public surface [water] supply : system deficiencies.

Bibliography: leaf 5.

Lake Michigan shore water survey : report to the Governor and General Assembly.

Description based on: 1971.

Preliminary water pollution control program plan

Report year ends Sept. 30.

Relationships between land-use and chemical quality of Illinois streams /

Cover title.