Environmental Protection Agency
In this proposed rulemaking, the U.S. Environmental Protection Agency (EPA) proposes a federal exemption, pursuant to Safe Drinking Water Act (SDWA) 1416(f) and 1450(a)(1), that will extend the dates of compliance with the Maximum Contaminant Levels (MCLs) for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) from April 26, 2029, to April 26, 2031, for those systems that submit a request. The Agency requests comment on this proposal, including the mechanisms through which the MCL compliance deadlines for PFOA and PFOS can be exempted, and has identified specific areas where public input will be helpful for the EPA in developing the final rule. In addition to seeking written input, the EPA will be holding a public hearing on July 7, 2026.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Part 142 [EPA-HQ-OW-2025-1742; FRL 8543.1-01-OW] RIN 2040-AG49 AGENCY: Environmental Protection Agency (EPA). ACTION: Notice of proposed rule; request for public comment; notice of public hearing. SUMMARY: In this proposed rulemaking, the U.S. Environmental Protection Agency (EPA) proposes a federal exemption, pursuant to Safe Drinking Water Act (SDWA) 1416(f) and 1450(a)(1), that will extend the dates of compliance with the Maximum Contaminant Levels (MCLs) for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) from April 26, 2029, to April 26, 2031, for those systems that submit a request. The Agency requests comment on this proposal, including the mechanisms through which the MCL compliance deadlines for PFOA and PFOS can be exempted, and has identified specific areas where public input will be helpful for the EPA in developing the final rule. In addition to seeking written input, the EPA will be holding a public hearing on July 7, 2026. DATES: Comments must be received on or before July 20, 2026. Comments on the information collection provisions of the proposed rule under the Paperwork Reduction Act (PRA) must be received by the Office of Management and Budget's Office of Information and Regulatory Affairs (OMB-OIRA) on or before June 22, 2026. Please refer to the PRA section under “Statutory and Executive Order Reviews” in this preamble for specific instructions. Public hearing: The EPA will hold a vi…
Citation: 91 FR 29425
