The Illinois Watershed Management Clearinghouse (IWMC) Web Site provides access to information on watersheds and their management. The IWMC includes educational materials on a wide range of issues, ranging from urban storm water and best management practices to GIS support and watershed maps. IWMC links watershed groups to allow for sharing of information, materials, and technical tools. The site effectively leverages the resources of Illinois agencies into one organized site to better serve the state. IWMC has a large amount of information pertaining to most aspects of watershed management.

Creative Commons License

Creative Commons Attribution-Noncommercial 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License.


To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.