Environmental Protection
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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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Clean Diesel Grant Programs
The 2021 Wisconsin Clean Diesel Grant is now available. To be eligible, application packages must be emailed by 5 p.m. on Jan. 7, 2022. Further instructions and application materials are available in the 'Available Grants' section below. --…
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Long-Term Monitoring
Long-term monitoring (LTM) will continue on the Lower Fox River in all operable units for decades to assess progress toward the Remedial Action Objectives (RAOs) (see Cleanup Operations). This is in accordance with Record of Decisions (RODs) and a…
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Project Documents
On this page, you will find reports and documents associated with the Lower Fox River PCB Project.
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Cleanup Operations
Sampling and studies on the Lower Fox River started in the early 1970s. These studies indicated PCB contaminated sediment was deposited along the entire length of the river, but primarily in OU1, OU3, OU4 and OU5. The majority of sediment…
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Project Background
The Lower Fox River runs 39 miles from Lake Winnebago to the bay of Green Bay in northeast Wisconsin. As one of the largest freshwater estuaries in the world, the Lower Fox River plays a vital role in Wisconsin's environment and economy. The river…
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Mercury spills and cleanup
When mercury is spilled, it shatters into tiny beads and spreads in many directions. These tiny droplets can accumulate in the smallest places. The droplets emit toxic, odorless vapors, which can be very dangerous when inhaled by people or pets.