Environmental Protection
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Wisconsin Hazardous Waste Annual Report
The 2023 Hazardous Waste Annual Report will open by Feb. 1, 2024, and will be available on the DNR Switchboard. Reports will be due March 1, 2024. Wisconsin's hazardous waste regulations require several types of hazardous waste generators to report…
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Air Monitoring Map for Industrial Sand Mine/Processing Plants
Industrial sand operations that have a requirement in their permit to monitor for particulate matter must provide ambient monitoring data to the DNR. The DNR Air Management Program works with industrial sand facilities to provide technical…
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Locations of Industrial Sand Mines and Processing Plants in Wisconsin
Industrial sand for use in the petroleum, glass and foundry industries has been produced in Wisconsin for over 40 years. The demand for sand increased exponentially starting in 2014, related to use of Wisconsin sand as a proppant in the extraction…
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Compost use, quality and marketing
Marketing compost and achieving the compost quality needed for specific uses are important considerations for a composting facility owner. It's essential to identify the target market, ensure an appropriate compost quality and develop a suitable…
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Annual reports for responsible units and materials recovery facilities
Both recycling responsible units (RUs) and materials recovery facilities (MRFs) must submit annual reports to the DNR covering activities for the previous calendar year. Visit Wisconsin recycling studies and reports for data from previous reports.
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Composting rules and regulations in Wisconsin
Wisconsin’s composting rules include basic operating and location requirements to prevent composting from becoming a nuisance to neighbors and to ensure nutrients are not released to groundwater or nearby lakes and streams. The rules require most…
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Recycling motor oil, oil filters and other automotive products
In Wisconsin, motor oil and used oil filters are banned from landfills. Motor oil and automotive products Environmental impacts of motor oil and other automotive products Potential environmental impacts of motor oil, antifreeze, parts cleaners…
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Recycling at home
We recycle because it is good for our environment, good for our economy and because in Wisconsin, it's the law. Since 1990, Wisconsin's recycling law requires all residents to recycle items like cardboard, bottles and cans and ensures all residents…
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Composting in Wisconsin
Compost is an environmentally friendly way to create healthy soil for Wisconsin's landscape. Compost made from yard materials and other organics, like food scraps, can replenish soil with microorganisms and nutrients. Wisconsin law prohibits…
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Business and workplace recycling
Wisconsin businesses and other workplaces can save landfilling costs, earn money from the sale of materials and help Wisconsin's economy and the environment by recycling. Wisconsin's recycling laws banned certain materials from landfill disposal,…