In a 50-year game of ping-pong, the Biden administration marked the end of 2022 by taking its turn revising the definition of “waters of the United States,” or “WOTUS” for short. This term determines where Clean Water Act...more
On December 30, 2022, EPA and the U.S. Army Corps of Engineers (Corps) (together the Agencies) issued a prepublication version of the latest definition of Waters of the United States (WOTUS). It will become effective when...more
On February 24, 2022, the Environmental Protection Agency (EPA) and the Army Corps of Engineers (Corps) announced the list of organizers selected for regional roundtables concerning the agencies’ rulemaking proceeding...more
On December 7, the Environmental Protection Agency (EPA) and U.S. Army Corps of Engineers (the Corps) took their latest stab at clarifying the jurisdiction of the Clean Water Act (CWA), proposing (another) new definition of...more
On November 18, 2021, The Environmental Protection Agency (EPA) and Army Corps of Engineers (Corps) announced the availability of a pre-publication version of a proposed rule (Proposed Rule) to amend the definition of Waters...more
The U.S. District Court for the District of Arizona on August 30 vacated the 2020 Navigable Waters Protection Rule (NWPR) that redefined “waters of the United States” for purposes of Clean Water Act jurisdiction, effectively...more
On August 30, 2021, Judge Marquez of the U.S. District Court for the District of Arizona vacated the U.S. Environmental Protection Agency (“EPA”) and U.S. Army Corps of Engineers’ (“Corps”) (collectively “Government...more