On May 14, 2025, EPA issued a news release (available here) stating that the agency will maintain the Safe Drinking Water Act (SDWA) National Primary Drinking Water Regulations (NPDWRs) promulgated in April 2024—but only with respect to two PFAS compounds: PFOA and PFOS. These NPDWRs originally established legally enforceable Maximum Contaminant Levels (MCLs) and health-based, non-enforceable Maximum Contaminant Level Goals (MCLGs) for six PFAS in drinking water (see 4/10/24 post here). EPA now states it will rescind and reconsider the limits for the other four PFAS included in the April 2024 NPDWRs (PFHxS, PFNA, HFPO-DA (aka GenX), and mixtures of these three plus PFBS). 

EPA also announced that it would extend the time for drinking water systems to comply with the new PFOA and PFAS limits, from 2029 until 2031, and it reiterated its plan to launch the PFAS OUTreach Initiative (PFAS OUT), a program that will aim to connect EPA with public water utilities that are known to require capital improvements to address PFAS in their systems. 

EPA plans to issue a proposed rule summarizing these announcements in Fall 2025 and finalize the rule in Spring 2026. In the meantime, multiple legal challenges to the April 10, 2025 rule remain pending (see 6/10/24 post here), and presumably will be maintained, at least with respect to the MCLs for PFOA and PFOS.