Archive for September 2026
Federal Agencies Announce Supplemental Proposed “Waters of the United States” Rule
On September 9, the U.S. Environmental Protection Agency (EPA) and U.S. Army Corps of Engineers published a Supplemental Notice of Proposed Rulemaking (SNPRM) seeking comment on proposed additional revisions to the definition of “waters of the United States” (WOTUS) under the Clean Water Act (CWA). This SNPRM builds on the agencies’ November 2025 Notice of…
Read MoreD.C. Circuit Upholds EPA Rule Designating PFOA and PFOS as CERCLA Hazardous Substances
On August 18, 2026, the U.S. Court of Appeals for the D.C. Circuit upheld EPA’s 2024 rule designating two widely used per- and polyfluoroalkyl substances (PFAS), perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), as “hazardous substances” under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). EPA issued the final rule in April 2024, which…
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