This map shows water systems included in the EPA’s records, as of Jan. 11, 2024. It’s based on boundaries developed by SimpleLab, a water-testing company. Click on a system to see the number of pollutants detected at or above the EPA’s minimum reporting levels and how much the most concentrated pollutant exceeded those levels. Points represent systems where the exact boundaries are not available.
The "forever chemicals" have turned up in water systems large and small, from those serving a few thousand customers to over half a million.
The EPA has released data showing more than 850 water systems reported finding forever chemicals, which are linked to increased cancer risk.
Hundreds of community water systems found at least one of 29 types of PFAS chemicals that exceed the EPA’s new, lower reporting limits.
This map shows water systems included in the EPA's records, as of Nov. 9, 2023.
This map shows water systems included in the EPA's records, as of Aug. 17, 2023.