Environmental Protection
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Lower Fox River basin
The Lower Fox River basin is located in northeastern Wisconsin and encompasses the following counties: Brown, Calumet, Outagamie and Winnebago. The 638 square mile (1,654 square kilometers) drainage basin is bordered by the Twin Door Kewaunee basin…
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Lower Chippewa River Basin
Downstream from Eau Claire on the Chippewa River and downstream from Menomonie on the Red Cedar contains more rare species (125) and more native prairie (25% of the state total) than any area of comparable size in Wisconsin. These unique natural…
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Lakeshore Basin
The Lakeshore basin is a water-rich area sprinkled with an assortment of inland lakes, major rivers and small streams and bounded by the waters of Green Bay and Lake Michigan. The basin completely encompasses the counties of Door, Kewaunee and…
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The Grant-Platte/Sugar-Pecatonica Basins
The Grant-Platte/Sugar-Pecatonica basins are located in the southwest corner of the state and are divided into the Grant and Platte River basins, which flow directly into the Mississippi and the Sugar-Pecatonica basin, which join in Illinois and…
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Mississippi River - Pool 7
The Black River discharges into Pool 7 of the Mississippi River. Within the Wisconsin DNR, the Mississippi - Lower St. Croix Team addresses river issues. Three federal agencies also conduct management and monitoring activities in the river: U.S.…
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The Black River Basin
The Black River basin encompasses approximately 2,400 square miles, contains 13 watersheds and includes portions of seven counties. Two distinct topographic regions determine the flow characteristics of the tributary streams. The upper and middle…
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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.
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Handling Waste From Demolished Structures
When structures are dismantled or demolished and disposed of, there is the potential for negative environmental impacts, particularly on wildlife and groundwater. Asbestos, lead, mercury and other hazardous substances in structures could harm human…
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Recycling Residential Asphalt Shingles in Wisconsin
The DNR encourages recycling of residential asphalt shingles because they occupy a large part of roofing tear-off waste and general construction and demolition (C&D) waste and are fairly easy to identify and separate. The DNR's statewide waste…
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Managing Construction and Demolition Debris
Construction projects — both building new structures and demolishing old ones — generate a lot of waste. Studies of Wisconsin landfills have found that materials such as wood, shingles and brick or concrete make up more than one-quarter of the waste…