EPA proposes rollback of several PFAS drinking water rules
WASHINGTON (UI) — Environmental Protection Agency has proposed rescinding several federal PFAS drinking water regulations established under the Biden administration, arguing the rules did not properly follow requirements outlined in the Safe Drinking Water Act.
The proposal would remove regulatory determinations and drinking water standards tied to perfluorohexane sulfonic acid (PFHxS), perfluorononanoic acid (PFNA), HFPO-DA, commonly referred to as GenX chemicals, and certain PFAS hazard index mixtures.
EPA officials said the proposed action is intended to address what the agency described as procedural problems tied to how the regulations were originally developed.
The agency said it will accept public comments on the proposal through July 20 and plans to hold a virtual public hearing in July.
The proposal follows the EPA’s 2024 establishment of enforceable drinking water standards for multiple PFAS compounds, including PFOA and PFOS. The agency said it still intends to evaluate additional PFAS compounds for future regulation after reconsidering the current rules.
EPA officials also are separately proposing extensions to compliance deadlines tied to existing PFOA and PFOS drinking water requirements.
The proposal could have significant implications for water utilities and infrastructure providers currently planning PFAS treatment upgrades and compliance projects tied to federal drinking water standards.
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