UPDATE: On May 17, 2023, the U.S. Environmental Protection Agency and the U.S. Army Corps of Engineers appealed the district court ruling in Texas v. EPA to the U.S. Court of Appeals for the Fifth Circuit. This appeal would...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 Tuesday, December 7, 2021, the U.S. Environmental Protection Agency and the Army Corps of Engineers published for public comment a proposed rule revising the definition of “Waters of the United States” (“WOTUS”)....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
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
The U.S. Environmental Protection Agency (EPA) and U.S. Army Corps of Engineers (Corps) announced on Aug. 4, 2021, the start of a long anticipated rulemaking process to revise the regulatory definition of "waters of the U.S."...more
At the end of July, the Environmental Protection Agency (EPA) announced that the Biden administration will begin working to create a “durable definition” of Waters of the United States (WOTUS). EPA and U.S. Army Corps of...more
Last week the Biden administration announced plans to reverse the Navigable Waters Protection Rule, implemented by the prior administration, and initiate a new rulemaking process that will likely expand the number of...more
In a move that is expected to expand the reach of the Clean Water Act, the US Environmental Protection Agency and the Army Corps of Engineers announced their intent to revise the definition of “waters of the United States”—a...more
In the ongoing saga of the Clean Water Act’s so-called “Waters of the United States” or WOTUS rule, the U.S. Environmental Protection Agency (EPA) and the Army Corps of Engineers (ACOE) announced changes to the definition of...more
On April 21, 2020, the U.S. Environmental Protection Agency (US EPA) and the Army Corps of Engineers (Army Corps) published in the Federal Register their revised rule defining which waterbodies are subject to federal...more
On January 23, 2020, the United States Environmental Protection Agency (“EPA”) and the U.S. Army Corps of Engineers issued the Navigable Waters Protection Rule (the “2020 Rule”), which includes a revised definition of the...more
The United States Environmental Protection Agency (EPA) and the United States Army Corps of Engineers (USACE) recently announced publication of its final Navigable Waters Protection Rule to define "Waters of the United...more
On January 23, 2020, the Environmental Protection Agency and the United States Army Corps of Engineers (the “Agencies”) issued the “Navigable Waters Protection Rule” as the latest attempt to define the phrase “waters of the...more
On January 23, 2020, the U.S. Environmental Protection Agency and the Department of the Army announced the finalized Navigable Waters Protection Rule, defining “Waters of the United States” under the Clean Water Act....more
EPA and Army Corps of Engineers Give New Waters of the U.S. Definition - The Environmental Protection Agency and Army Corps of Engineers today issued a final rule with a new definition of “Waters of the United States” that...more
WOTUS Definition Court Challenges Continue - The Environmental Protection Agency and the Army Corps of Engineers published a final rule in the Federal Register that repeals their 2015 Clean Water Rule defining the scope of...more
Seyfarth Synopsis: The Army Corps of Engineers (Corps) and the U.S. Environmental Protection Agency (EPA) published its final rule this week to repeal the 2015 rule that “impermissibly expanded the definition of ‘waters of...more
The Trump Administration’s proposed rule defining “Waters of the United States” under the federal Clean Water Act was published last week in the Federal Register....more
On December 11, 2018, the United States Environmental Protection Agency (EPA) and the Army Corps of Engineers (ACOE) announced proposed changes to the agencies’ definition of “waters of the United States” (WOTUS). This...more
On December 11, 2018, in a move that follows on the heels of the litigation over the highly controversial 2015 move to redefine “waters of the United States” under the federal Clean Water Act, the U.S. EPA and the Army Corps...more
Seyfarth Synopsis: The U.S. Environmental Protection Agency (EPA) and the Department of the Army (Corps) have recently proposed a “clear, understandable, and implementable definition of ‘waters of the United States’...more
For the second time in the last 4 years, and the seventh since the Clean Water Act was adopted in 1972, the federal government has revised the definition of the term “Waters of the United States” for the purposes of the...more