A district court granted Texas' and Idaho's motion to preliminarily enjoin EPA's and the Army Corps of Engineers' 2023 rule revising the definition of "waters of the United States" under the CWA. The states sought to enjoin the rule within their borders, arguing it was unconstitutional and violated ...

A district court denied for lack of jurisdiction the Commonwealth of Kentucky's and business groups' motions to preliminarily enjoin EPA's and the Army Corps of Engineers' 2023 rule revising the definition of "waters of the United States" under the CWA. The court found that plaintiffs failed to show...

The Fourth Circuit vacated the West Virginia Department of Environmental Protection's CWA §401 certification for a proposed pipeline that would transport natural gas from West Virginia to southern Virginia. Landowners and environmental groups petitioned for review of the certification, arguing the ...

The Fourth Circuit denied a petition to review the Virginia Department of Environmental Quality's (DEQ's) and the State Water Control Board's approval of a state water permit for a proposed pipeline that would transport natural gas from West Virginia to southern Virginia. Environmental groups argued...