An intensive survey of the Kaskaskia River Basin : data summary, summer 1996 and 1997 /

"IEPA/BOW/00-001"--Cover.

An intensive survey of the Vermilion River Basin (Wabash River drainage) 1997 : data collection methods and summary /

"The Illinois Environmental Protection Agency monitors surface waters (i.e. lakes and streams) through a variety of programs. The most extensive is the Ambient Water Quality Monitoring Network (AWQMN) which consists of 203 stream stations statewide sampled on a 6 week cycle since October 1977." -- p. 1.

An intensive survey of the Cache River Basin, data summary : summer 1999 /

"IEPA/BOW/02-021."--Cover.

Data collection methods and summaries for the assessment of stream water quality in the Vermilion River Basin (Wabash River), 2001 /

Cover title.

Evaluation of Illinois sieved stream sediment data, 1982-1995 : staff report /

At head of cover title: Illinois Environmental Protection Agency, Bureau of Land.

Evaluation of Illinois stream sediment data, 1974-1980 /

"IEPA/WPC/84-004."-- Cover.

Nationwide urban runoff project, Champaign, Illinois : summary of Illinois street sweeping cost data /

On cover: Water quality management.

Public water supplies data book.

"Statistical summary of Illinois public water supplies (State operated facilities excluded)."

Targeted watershed approach : a data driven prioritization /

"Protecting, enhancing, and restoring Illinois water resources utilizing a watershed approach."--Cover.

Water resource data and trend analysis for the Highland Silver Lake comprehensive monitoring and evaluation project : Madison County, Illinois, phase IV /

"IEPA/WPC/86-001."

Water resource data and preliminary trend analysis for the Blue Creek Watershed Project, Pike County, Illinois : Phase I /

"IEPA/WPC/82-001".

Water resource data and preliminary trend analysis for the Highland Silver Lake monitoring and evaluation project : Madison County, Illinois, phase III /

"IEPA/WPC/84-030."

Water resource data and preliminary trend analysis for the Highland Silver Lake monitoring and evaluation project : Madison County, Illinois, phase I /

"November, 1982."

Water resource data and trend analysis for the Blue Creek watershed project : Pike County, Illinois, phase III /

"IEPA/WPC/83-003X."

Air quality data for 1968 from the National Air Surveillance Networks and contributing state and local networks.

Chiefly tables.