PFAS
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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…
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PFAS News and Reports
The DNR is committed to keeping citizens and other stakeholders informed about PFAS in Wisconsin. Below are reports, news releases and important information from the DNR.ReportsPFAS in Wisconsin: January - June 2025PFAS in Wisconsin: July - December…