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ARTICLE · 18 SEPTEMBER 2025

Fall Has Sprung? EPA Signals PFAS Rollbacks In "Spring" Unified Agenda

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On September 4, the U.S. Environmental Protection Agency (EPA) (finally) published its Spring 2025 Unified Agenda of Regulatory and Deregulatory Actions (UA)...

United StatesEnvironment
David H. Quigley
David H. Quigley
Brecken Aubrey Petty
Brecken Aubrey Petty
Shivani Swami
Shivani Swami
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On September 4, the U.S. Environmental Protection Agency (EPA) (finally) published its Spring 2025 Unified Agenda of Regulatory and Deregulatory Actions (UA), a semiannual publication outlining federal agencies' regulatory priorities and timelines for the upcoming year. The UA included a notice of its intent to rescind drinking water limits set by a Biden-era rule for three per- and polyfluoroalkyl (PFAS) substances and one PFAS mixture. EPA also published a notice of intent to retain limits on PFOA and PFOS, although with extended timelines for compliance.

Specifically, EPA intends to finalize rules repealing the legally enforceable maximum contaminant levels (MCLs) for PFHxS, PFNA, GenX and PFBS in drinking water by February 2026, and to extend the PFOA and PFOS compliance timeline by April 2026. EPA followed the UA notice by asking the D.C. Circuit to vacate the former four drinking water limits in response to a legal challenge to the April 2024 rules: American

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