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Watersheds & basins
- Explore watersheds & basins
- Search watersheds
- Gateway to basins
- Explore your waters
- Read watershed plans
- Wisconsin’s watersheds
Wisconsin’s abundant waters extend over 330 watersheds and 32 basins. Throughout the state, citizens, schools, businesses, and nonprofits are learning about watersheds and taking action to protect, restore, monitor, and maintain our special resources.
To find out more, contact DNR’s Water quality staff.
- About watersheds
Over 330 watersheds and 32 basins in Wisconsin.
- Interstate basins
Wisconsin is in the Mississippi and Great Lakes Basins.
- Watershed, basin GIS data
Wisconsin has 32 large river basins.
- Assessment tools & plans
Watersheds are inventoried, assessed and managed.
- Delineating watersheds
Federal delineations help states communicate.
- Watershed & water quality
Who to contact for water quality and watershed information.
Last revised: Friday July 21 2017
