PFAS
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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…
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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…
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PFAS Lab Analysis in Wisconsin
As of Oct. 15, 2024, the DNR expects regulated entities, unless otherwise directed by the DNR, to use EPA method 1633 for all non-drinking water matrices.As of Feb. 1, 2025, the DNR requires regulated entities, unless otherwise directed by the DNR,…
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PFAS-Containing Firefighting Foam
Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a large group of human-made chemicals that have been used in industry and consumer products worldwide since the 1950s. PFAS have been used specifically in some synthetic Class B firefighting…