Illinois water quality report.

Latest issue consulted: 2002.

Illinois water data catalog report /

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

Lake water quality assessment program : northeastern Illinois lakes /

"The Northeastern Illinois Planning Commission's Natural Resources Dept. conducted the lake assessment data collection effort for the six county northeastern Illinois region." -- P. iii.

Lake water quality assessment program, 1993 : northeastern Illinois lakes /

"January 1995."

Phosphorus : a summary of information regarding lake water quality /

"August, 1986."

Pollution control facility siting in Illinois.

Title from caption.

Regional pollution control facility siting in Illinois : from November 12, 1981 through April 30, 1988.

"June 1988."

Regulatory strategies for construction site erosion control programs : forms, costs, and cost recovery mechanisms : contractor assistance for the cost of financing regulatory programs /

"December, 1980."

Review of "economic impact studies" in pollution control regulation /

"Printed: March 1988."

Siting a pollution control facility in Illinois.

"IEPA/BOL/98-021".

The economic impact analysis of R84-29 : mine-related water pollution regulations /

"Project 86/7005."

The Economic impact of proposed regulation R81-19 for site-specific water pollution rules applicable to Citizens Utilities Company discharge to Lily Cache Creek /

Project no. 80.261.

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

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

The Illinois water quality management plan /

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

Toward the development of a county employment projection system for the State of Illinois : a report to the Illinois Environmental Protection Agency, Division of Air Pollution Control /

Cover title: Towards the development of a county employment projection system for the state of Illinois.