Environmental Protection
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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…
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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. Reports PFAS in Wisconsin: January - June 2024
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Managing solid waste and recyclables at healthcare facilities
Most wastes generated in healthcare facilities are solid or recyclable wastes. Solid wastes include all wastes that are not classified as infectious, radiological, hazardous or universal wastes. Examples of solid wastes include food packaging…
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Pharmaceuticals and personal care products in the environment
Fall Drug Take Back Day - Oct. 26 The next Drug Take Back Day is Oct. 26, 2024. To learn more about participating sites and what they accept, visit the Wisconsin Department of Health Services [exit DNR]. -->
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Other Healthcare Facility Waste
In addition to infectious, hazardous and solid waste, healthcare facilities may generate a number of specialized wastes with specific management requirements. It is your facility's responsibility to properly identify and manage all the types of…
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Medical and infectious waste administrative codes and statutes
The following rules and statutes directly apply to infectious waste. Please note that other rules, such as those for hazardous wastes may also apply.