US EPA Proposes Primary Drinking Water Regulation for Six PFAS

Update courtesy of Rock Vitale with Environmental Standards: US EPA announced the proposed National Primary Drinking Water Regulation (NPDWR) for six per- and polyfluoroalkyl substances (PFAS) including PFOA, PFOS, PFNA, HFPO-DA (commonly known as GenX Chemicals), PFHxS, and PFBS. US EPA anticipates the regulation to be finalized by the end of 2023. US EPA expects that if fully implemented, the rule will prevent thousands of deaths and reduce tens of thousands of serious PFAS-attributable illnesses.

US EPA is requesting public comment on the proposed regulation. The public comment period will open following the proposed rule publishing in the Federal Register. Public comments can be provided at that time at under Docket ID: EPA-HQ-OW-2022-0114. Information on submitting comments to US EPA dockets can be found here.

Two informational webinars about the proposed PFAS NDPWR will be held on March 16, 2023, and March 29, 2023. Registration is required to attend.

A public hearing will be held on May 4, 2023. Registration is required to attend, and the last day to register to speak at the hearing is April 28, 2023. 

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.

For more information, read Rock’s blog here.

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