Environmental Management
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Celebrating the 50th Anniversary of the Clean Water Act
The Wisconsin Department of Natural Resources proudly celebrates the 50th anniversary of the federal Clean Water Act, a foundational act to protect our shared waters nationwide, signed into law on Oct. 18, 1972.
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Waste Containing PFAS
The group of chemical compounds referred to as PFAS (perfluoroalkyl and polyfluoroalkyl substances) are found in many types of waste, including firefighting foam, contaminated soil, waste from industrial operations and post-consumer household waste…
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Remediation & Redevelopment External Advisory Group
The Remediation and Redevelopment External Advisory Group (RR EAG) was formed to address a broad range of issues, encompassing both technical and policy topics related to encouraging the investigation, cleanup and redevelopment of contaminated sites…
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Effects of High Groundwater Levels
Flooding can happen when frequent, sustained rainfall leads to excessively fast recharge of local groundwater levels and the water table rises above the land surface. This type of flood may be pronounced near seepage lakes (see diagram below). This…
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Reasonably Available Control Technology (RACT) for Volatile Organic Compounds (VOC)
Volatile organic compounds (VOC) react in the atmosphere to produce ozone. This air pollutant can be harmful to people and the environment when present at elevated concentrations near the earth’s surface. Emissions of VOC are controlled through…
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Reasonably Available Control Technology (RACT) For Nitrogen Oxides (NOX)
Emissions of nitrogen oxides (NOx) must be controlled through the implementation of Reasonably Available Control Technology (RACT) regulations in ozone nonattainment areas that are classified as "moderate" or higher. Wisconsin RACT requirements that…
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Air Permit Public Involvement
Notice: Update personal bookmarks to the new links for the buttons below.The Clean Air Act and Wisconsin State Statutes call for public participation and input on air permit actions. The tables below can help the public find these opportunities.Air…
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External Advisory Groups
Collaboration is one of the core values of the Wisconsin Department of Natural Resources. Accordingly, the Remediation and Redevelopment Program works with groups of external stakeholders to address issues associated with the investigation,…