Last week EPA released its proposal for the first set of Maximum Contaminant Levels (MCLs) under the Clean Water Act for per- and polyfluoroalkyl substances (PFAS).  In contrast to non-enforceable health advisory levels introduced in 2016 and revised in 2022, MCLs constitute enforceable drinking water standards that will impact drinking water utilities and industry nationwide. 

On October 18, 2021, EPA Administrator Michael S. Regan announced the PFAS Strategic Roadmap: EPA’s Commitments to Action 2021-2024 (Roadmap). The Roadmap is intended to be a comprehensive approach to confronting PFAS contamination nationwide. Among many other efforts, the Roadmap includes the following planned actions:

  • Establishing a national primary drinking water regulation for PFOA and