2040-AG37 202510 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 2040 Office of Water OW 2000 Environmental Protection Agency EPA Clean Water Act Methods Update Rule 22 for the Analysis of Contaminants in Effluent

The EPA regularly promulgates updates of approved Clean Water Act monitoring methods at 40 CFR 136.3. The EPA published a proposed rule on January 21, 2025, and accepted public comments submitted on or before March 24, 2025. The EPA is in the process of evaluating the public comments as it develops the final rule.

]]> Substantive, Nonsignificant Previously Published in The Unified Agenda Final Rule Stage No No Deregulatory 40 CFR 136.3 33 U.S.C. sec. 1314(h) 33 U.S.C. sec. 1251 et seq. No NPRM 01/21/2025 90 FR 6967 Final Rule 07/00/2026 Docket #: EPA-HQ-OW-2024-0328. No No Federal Local State Tribal No No https://www.epa.gov/cwa-methods No No Bekah Burket 2040 Office of Water OW 202 566-2539 burket.bekah@epa.gov 1200 Pennsylvania Avenue NW, MC 4303T, Washington DC 20460