Posted by Update: November 20, 2024: The Environmental Protection Agency has released the sixth round of public water system quarterly testing data for the toxic fluorinated “forever chemicals” known as PFAS, as required by its Fifth Unregulated Contaminant Monitoring Rule, or UCMR-5. The UCMR-5 data reveal 2,394 sites have detectable levels of PFAS, based on test results from approximately 70 percent of the community water systems that will be tested under the rule. The new data, along with reporting from states and other sources, confirm 143 million people in communities throughout the U.S. have drinking water that has tested positive for PFAS.
View the Interactive Map of PFAS Contamination.
Source: Environmental Working Group
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