wotus

On November 17, 2025, the U.S. Environmental Protection Agency (EPA) and the Army Corps of Engineers (the Corps) announced a proposed rule (PR) to revise the definition of “waters of the United States” (WOTUS) by excluding several types of waters from the definition of WOTUS in their respective regulations (40 C.F.R. § 120.2 and 33 C.F.R. § 328.3).
Continue Reading The Never-Ending Rule: EPA and Army Corps of Engineers Propose Narrowing the Post-Sackett Definition of ‘Waters of the United States’

In 2016, the incoming Trump Administration stated its intention to reduce substantially federal environmental regulation. The president issued executive orders requiring two rule repeals for each new rule and directing…
Continue Reading Rolling Back Environmental Rollbacks in the New Administration

On Sept. 12, 2019, the U.S. Environmental Protection Agency and the Department of the Army followed through on an early Trump administration promise to repeal a 2015 jurisdictional rule defining the scope of the government’s authority under the Clean Water Act. See Definition of “Waters of the United States”—Recodification of Pre-Existing Rules (pre-publication version).

Dubbed the “Waters of the United States” (WOTUS) rule, the Obama-era regulation spawned a tide of litigation, in federal trial and appellate courts, challenging the WOTUS rule as an unlawful attempt by the EPA and the Corps of Engineers to increase the numbers and kinds of waters subject to permitting requirements. The U.S. Supreme Court ultimately weighed in, saying that challenges to the WOTUS rule belong in the federal districts courts, not the U.S. courts of appeals. National Association of Manufacturers v. Department of Defense, __ U.S. __, 138 S.Ct. 617 (2018).
Continue Reading Government Repeals Obama-Era Waters of the U.S. Rule: Major Supreme Court Decision to Come, but ‘Regulatory Patchwork’ Remains

We write to follow up on last month’s blog post, GT Alert, and webinar on the April 13 issuance of a federal register notice by the U.S. Environmental…
Continue Reading The EPA’s Call for Identification of Rules to be Changed Results in a Majority of Comments in Support of EPA Regulation