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Gateway to Wisconsin's basins and watersheds

Wisconsin's largest river systems form 24 drainage basins. Click on the map or drop-down box below to navigate to your basin of interest.

Basin mapClick to See the Lake Superior basinClick to See the St. Croix basinClick to See the Upper Chippewa basinClick to See the Upper Wisconsin basinClick to see lower Chippewa basinGo to the Black Buffalo Tremplealeau watershedGo to the Bad Axe La Crosse basinGo to the Lower Wisconsin watershedView the Grant Platte, Sugar Pecatonica basinsView the Lower Rock basinView the SE Fox Illinois basinClick to see root pikeGreen Bay basinWolf River basinCentral Wisconsin River basinUpper Rock River basinUpper Fox River basinLower Fox River basinLakeshore River basinSheboygan basinMilwaukee River basinMississippi River basin