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Per and Polyfluoroalkyl Substances (PFAS)
Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a large group of man-made chemicals that are widespread in the environment. PFAS are used in non-stick cookware, water-resistant clothing, food packaging, upholstery, carpeting, and firefighting foams. High concentrations of PFAS can affect health. PFAS have detected in some Madison municipal water wells at low or trace concentrations.
Results of Madison Water Utility's testing for PFAS compounds at all 23 municipal water wells.
Although water at Well 15 on East Washington Ave. has not exceeded any state or federal drinking water standard, Madison Water Utility will not operate the well for the foreseeable future. Learn more about PFAS at Well 15 and where the chemicals may be coming from.
Madison Water Utility has gotten a number of questions about PFAS in drinking water. See our FAQs for some answers.
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Learn the latest from Public Health Madison Dane County about PFAS contamination, water testing results, and remediation plans.
A timeline showing how Madison Water Utility discovered PFAS in Madison.