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EPA/OW RIN: 2040-AG49 Publication ID: Spring 2025 
Title: ●Extending the Compliance Deadline for the PFAS National Primary Drinking Water Regulation Rulemaking 
Abstract:

EPA is proposing a new rule that provides additional time for public water systems to meet the compliance deadlines for the Maximum Contaminant Levels in the National Primary Drinking Water Regulations for PFOA and PFOS. Through this rule, EPA intends address the most significant compliance challenges EPA has heard from public water systems and other stakeholders while still ensuring the long-term protection of the American people from PFAS-contaminated drinking water.

 
Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: Undetermined  Unfunded Mandates: Undetermined 
EO 14192 Designation: Deregulatory 
CFR Citation: Not Yet Determined     (To search for a specific CFR, visit the Code of Federal Regulations.)
Legal Authority: Not Yet Determined   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  10/00/2025 
Final Action  04/00/2026 
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: Local, State, Tribal 
Federalism: Undetermined 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Alexis Lan
Environmental Protection Agency
Office of Water
1200 Pennsylvania Avenue NW, 4601M,
Washington, DC 20460
Phone:202 564-0841
Email: lan.alexis@epa.gov