Environmental Protection
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Thermal water quality standards
Thermal pollution is the change in the water temperatures of lakes, rivers and other surface waters caused by man-made practices. These temperature changes may adversely affect fish and aquatic life in Wisconsin's surface waters by reducing the…
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Madison-Kipp Corporation Madison, Wisconsin
The Madison-Kipp Corporation web page has been archived. If you have any questions about the Madison-Kipp Corporation remediation, please contact Luke Lampo. Information is also available on the Bureau for Remediation and Redevelopment Tracking…
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PFAS Contacts
Contact the following staff if you have questions about PFAS. If you are unsure who to contact, please email DNRPFASInquiries@Wisconsin.gov.
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Frequently Asked Questions
PFAS contamination has been detected in the Marinette and Peshtigo areas in soil, sediment, groundwater, surface water, private drinking water wells and biosolids. Answers to questions asked of DNR staff are posted on this page, which will be…
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PFAS Contamination in the Marinette and Peshtigo Area
PFAS contamination has been detected in Marinette, Peshtigo and surrounding communities in soil, private wells, surface water and groundwater. Subscribe to receive updates about PFAS contamination in the Marinette and Peshtigo area. FAQ for PFAS…
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Water Quality PFAS Initiatives
The DNR is conducting a number of initiatives related to per- and polyfluoroalkyl substances (PFAS) contamination and water quality in Wisconsin. These initiatives are: PFAS surface water rule and implementation; surface water and fish tissue…
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Wisconsin PFAS Action Council (WisPAC)
Subscribe to WisPAC Updates Gov. Tony Evers declared 2019 the Year of Clean Drinking Water. As part of the statewide initiative to ensure Wisconsinites have access to clean, safe drinking water, Gov. Evers signed Executive Order #40 in Aug. 2019 to…
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Frequently Asked Questions
In summer 2019, DNR collected water chemistry and fish tissue samples from six waterbodies near known or suspected PFAS contamination sites. Answers to questions being asked of DNR staff are posted on this page, which will be updated regularly.…
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PFAS Technical Group
Subscribe to PFAS Technical Group Updates The PFAS Technical Group is a working group formed in 2021 to present and discuss information related to perfluoroalkyl and polyfluoroalkyl substances (PFAS) in Wisconsin, with an emphasis on presentations…
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PFAS Lab Analysis in Wisconsin
As of March 1, 2021, the DNR no longer expects regulated entities, unless otherwise directed by DNR, to sample for or laboratories to report three of the 36 PFAS compounds on the default PFAS list. Read an update and view the full list. The DNR…