Extending the Compliance Deadline for the PFOA and PFOS Maximum Contaminant Levels
The comment period closed Jul 20, 2026.
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 submi
Summary from the Federal Register.
Read the rule
Full history
- May 20, 2026
Rule published
Extending the Compliance Deadline for the PFOA and PFOS Maximum Contaminant Levels
Environmental Protection Agency
About this record
- Source
From the Federal Register. This record was last updated Sep 24, 2026. About our data
- What it is
A rule from Environmental Protection Agency. Agora lists the comment window as the Federal Register gives it.
- Dates
Dates are in Eastern time.
This record shows the rule as proposed. A final rule, if any, is a separate Federal Register document.
- This page
Agora assembled this page from the Federal Register. The title and summary are the agency's, as the Federal Register prints them.