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Saturday, August 23, 2014

Illinois Rivers Decision Support System

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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 fully searchable by keyword, product type, and geographic area.

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IL River Watershed Poster

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