WHY IS THIS MAP IMPORTANT?
The number of U.S. communities confirmed to be contaminated with the highly toxic fluorinated compounds known as PFAS continues to grow at an alarming rate. As of June 2022, 2,858 locations in 50 states and two territories are known to be contaminated.
The latest update of this interactive map documents PFAS pollution in public and private water systems. Details about our sources and methodology are here.
Information about sites newly added to the map comes from various PFAS detections reported to government agencies in Colorado, New Hampshire, North Carolina, Ohio and other states, as well as updated records from the Department of Defense.
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