Drinking water contamination can come from a number of different sources:

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• discharges from manufacturing facilities that use PFAS
   

• discharges from wastewater treatment plants
   

• water that percolates down through the soil around landfills
   

• firefighting foams that run off into surface waters

The Wisconsin Department of Natural Resources (DNR) maintains a of sites in Wisconsin with potential and confirmed PFAS contamination in soil and groundwater. Click here to open the interactive map.

More FAQs

What are PFAS?

Are PFAS a threat to human health?

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How do you know if your water is contaminated?

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How do you know if your water utility has tested?

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Doesn't the government require all utilities to test?

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Are there ways to reduce exposure to PFAS?

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What if your water comes from a private well?

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