EPA proposes PFAS National Primary Drinking Water Regulation

Earlier this month the EPA announced a new rule to establish legally enforceable levels for six PFAS in drinking water.

The proposed National Primary Drinking Water Regulation (NPDWR) for six PFAS including perfluorooctanoic acid (PFOA), perfluorooctane sulfonic acid (PFOS), perfluorononanoic acid (PFNA), hexafluoropropylene oxide dimer acid (HFPO-DA, commonly known as GenX Chemicals), perfluorohexane sulfonic acid (PFHxS), and perfluorobutane sulfonic acid (PFBS).

The proposed rule would also require public water systems to:

  • Monitor for these PFAS
  • Notify the public of the levels of these PFAS
  • Reduce the levels of these PFAS in drinking water if they exceed the proposed standards.

EPA will hold a public hearing on May 4, 2023, where members of the public can register to attend and provide verbal comments to EPA on the rule proposal. Registration is required to attend and the last day to register to speak at the hearing is April 28, 2023. For questions related to the public hearing, contact [email protected].

EPA anticipates finalizing the regulation by the end of 2023. EPA expects that if fully implemented, the rule will prevent thousands of deaths and reduce tens of thousands of serious PFAS-attributable illnesses.

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