Illinois Rivers Decision Support System

Your source for information about the Illinois River Basin

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Thursday, November 21, 2024

ILRDSS Announcements

Access to the new Water Quality Database is available here.

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The ILRDSS web site is a portal to information related to the watersheds of Illinois. Our database of web links is organized and searchable by product type and geographic area.

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Biennial Governor’s Conference on the Management of the Illinois River System: With more than 100 years of water protection between them, our speakers will share knowledge on past, present, and future actions.
2015 Conference on the Management of the Illinois River System: Proceedings from the 2015 Conference on the Management of the Illinois River System
Illinois Streamflow Assessment Model (ILSAM) Site: ILSAM produces statistical estimates of flow quantity in Illinois streams.
Fox River Watershed Investigation Site: A multi-phase water quality study of the Fox River watershed from Stratton Dam to the Illinois River confluence.
Governor’s Conference on the Management of the Illinois River - All conference proceedings: Conference proceedings from 1987–2013 for this biennial conference on the management of the Illinois River and its watershed.

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Watershed Map

Poster-sized (26x38) map of the entire Illinois River Watershed. Part of the State Water Survey’s published Map Series (2003–1).
LoRes | HiRes (3.5 MB PDF)

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