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What are PFAS?
PFAS (Perfluoroalkyl and polyfluoroalkyl substances) are a large group of human-made chemicals. They can affect your health at low levels and can accumulate in your body over time. They’ve been used for over 50 years and are in many everyday products. These chemicals don’t break down easily and are now common in our environment. PFAS are being found in more and more drinking water supplies, including in Dane County. It’s important to limit your exposure as much as possible to protect your health.

Communities in Dane County have tested their water through the DNR. Visit the DNR website  and click “PFAS Sampling Info” under “Layer Controls.” Click on the circle next to the name of the municipality to find out the results.

Private Wells

If you’re in an area near PFAS contamination, it’s recommended that you test your well for PFAS. If you live in Dane County, Public Health can test your well, help you understand results and what to about them. VisitPublic Health's drinking water testing page for details and find out if you’re eligible for free testing.

In Dane County, the Wisconsin State Lab of Hygiene  is also able to test for PFAS . If you get your well tested, you can use this tool  from the Department of Health Services to compare your test results to State standards. If PFAS levels are high, you can take steps to limit your exposure.

Public Health Offers Free Private Well Testing for “Forever Chemicals”

Public Health Madison & Dane County is providing free PFAS water testing for eligible homeowners with private wells in Dane County. Eligibility for free testing is based on income and the number of people in the household. If you are not eligible for free testing, paid testing is also available at a lower price than many other labs typically offer.

PFAS chemicals are common in our environment. Also known as “forever chemicals”, PFAS do not change or break down easily. Exposure can happen through the air, soil, and even drinking water.

For more information, click here or call Public Health Madison and Dane County at (608) 266-4821.

Public Health Madison and Dane County Info Regarding PFAS

How to Reduce Your Exposure

For more information, please contact Environmental Health:

Phone: (608) 242-6515
Fax: (608) 242-6435
Español: (608) 243-0380

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