The EPA is proposing the first-ever national standard to protect communities from PFAS in drinking water.
The proposed rule would require public water systems to test for and limit six PFAS chemicals. Two of the worst offenders, PFOA and PFOS, would be limited to levels of just 4 parts per trillion for each of them. The EPA’s previous guideline, which was voluntary, was 70 parts per trillion for both of them combined.
In recent years, PFAS have been linked to a growing list of health problems, including an increased risk for certain cancers, liver damage, and neurodevelopmental problems.
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