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PFAS in Select U.S. Tapwater Locations

By Frequently Asked Questions 2022 (approx.)
A USGS map of the U.S. with dots representing tap water sample sites across the nation, varying in size and shade of blue to
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Detailed Description

This USGS map shows the number of PFAS detected in tap water samples from select sites across the nation. The findings are based on a USGS study of samples taken between 2016 and 2021 from private and public supplies at 716 locations. The map does not represent the only locations in the U.S. with PFAS.  

Sources/Usage

Public Domain.

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