The Condition of Illinois Water Resources, 1999, was prepared by the Illinois Environmental Protection Agency (EPA) to describe in general terms the overall water quality conditions throughout Illinois. This includes facts about facts about Illinois rivers and streams inland lakes, Lake Michigan, and groundwater. The information in this report is summarized from more detailed information generated and submitted annually to the U.S. Environmental Protection Agency (U.S. EPA) as required by Section 305(b) of the federal Clean Water Act (CWA). In addition, a set of 33 water quality fact sheets has been created to look at specific water bodies in major Illinois watersheds. Inside the back cover of this report is a list of the 33 fact sheets and how they may be obtained from Illinois EPA.
Illinois Environmental Protection Agency, Bureau of Water, "The Condition of the Illinois Water Resources 1999" (2009). J.R. Black Kankakee River Materials. 40.
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