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 US with PFAS.
Mandatory Credit: USGS
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Nearly half of the tap water in the US is contaminated with ‘forever chemicals,’ government study finds
Almost half of the tap water in the US is contaminated with chemicals known as “forever chemicals,” according to a new study from the US Geological Survey.

