Environmental Protection
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Public access to landfill environmental monitoring data (GEMS on the Web)
The data contained on the DNR's Groundwater and Environmental Monitoring System is available to the public through GEMS on the Web. This online portal allows the public to access all monitoring data available for each facility in the system from the…
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Resources for landfill owners and operators
Landfill rule revisions effective Oct. 1The DNR has revised administrative code that regulates municipal solid waste and industrial landfills. The changes will take effect Oct. 1, 2025.
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Solid waste tip fees and landfill tonnage reports
Landfill rule revisions effective Oct. 1The DNR has revised administrative code that regulates municipal solid waste and industrial landfills. The changes will take effect Oct. 1, 2025.
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Landfill gas emissions
Much of the waste placed in municipal solid waste landfills gets decomposed by bacteria, and this decomposition results in the production of landfill gas. Landfill gas that is not collected can result in landfill gas emissions. General information…
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Development on landfills
The DNR's Remediation and Redevelopment and Waste and Materials Management programs have jointly developed a process and guidance for development on landfills. The process and guidance discuss two general categories of landfills: historic fill sites…
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Landfill environmental monitoring data submittals
Procedures for preparing and submitting landfill data to the DNR's Groundwater and Environmental Monitoring System (GEMS) have been consolidated into a single document called Procedures for Preparing and Submitting Landfill Environmental Monitoring…
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Landfill manager and operator certification requirements
Landfills in Wisconsin must be run by certified facility managers and site operators. An applicant for facility manager certification must have at least two years of experience operating or being directly responsible for the operation, design,…
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Wisconsin Plant Recovery Initiative (WPRI)
WPRI is a DNR effort to help businesses and communities expedite the cleanup and reuse of industrial and/or commercial facilities that have or are planning to shut their doors. Besides the loss of jobs, tax revenue and local business, a plant…
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Wisconsin Brownfields Coalition
The Wisconsin Brownfields Coalition was created in 2003 in order to obtain federal funding from the Environmental Protection Agency (EPA) for brownfields cleanup. Current members include the DNR and Wisconsin's nine regional planning commissions.…
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Wisconsin Assessment Monies (WAM)
The Wisconsin Assessment Monies (WAM) program provides funding to address specific brownfields sites where potential or known contamination is acting as an impediment to economic redevelopment. The DNR's Remediation and Redevelopment (RR) Program…