Property/Site Owners
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Lower Rock River geologic and geographic setting
The Lower Rock River basin includes the portion of the Rock River below Fort Atkinson and its tributaries. The Bark River originates in Washington County and traverses the southern Kettle Moraine region before emptying into the Rock at Fort Atkinson…
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Groundwater contaminants
Wisconsin DNR maintains a groundwater database. Sampling is conducted for the purpose of problem assessment, at-risk monitoring and some regulatory monitoring. Many of the sampling events are focused on problem areas. The Groundwater Retrieval…
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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…
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Frequently Asked Questions About Asbestos Removal
If you cannot find the answer you need among these questions, please contact the asbestos inspector for the county where the project is located.
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Asbestos Removal and Notification
Asbestos fibers are a known human carcinogen. Lung cancer, mesothelioma (cancer of the chest cavity lining) and asbestosis (a fibrotic scarring of lung tissue) have been proven to result from asbestos exposure.The Clean Air Act (CAA) of 1970…
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Public notices
Official DNR public notice of water permits are located here, as sent to official newspapers. Public notices are required by law to alert interested members of the public of the DNR’s intention to authorize a discharge to a water of the state. The…
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Understanding invasive species
Wisconsin Statute Section 23.22 (1) (c) defines invasive species as "nonindigenous species whose introduction causes or is likely to cause economic or environmental harm or harm to human health." Humans move organisms around all the time.…