A district court granted EPA and the Army Corps of Engineers' motion to voluntarily remand the Navigable Waters Protection Rule, and granted the Navajo Nation's request that remand…
A district court vacated and remanded EPA's and the Army Corps of Engineers' Navigable Waters Protection Rule, which established a new definition of "waters of the United States…
The Tenth Circuit reversed and vacated a district court order preliminarily enjoining EPA and the Army Corps of Engineers from implementing the 2020 Navigable Waters Protection Rule (NWPR) in…
A district court stayed the Navigable Waters Protection Rule, which substantially narrows the definition of "waters of the United States" that are subject to federal regulation under the…
A district court denied a motion for preliminary relief in a challenge to the Navigable Waters Protection Rule, which substantially narrows the definition of "waters of the United States…
A district court held that environmental groups lacked standing in their challenge to EPA's exclusion of certain waste treatment systems from the definition of navigable waters under the CWA…
A district court denied Oklahoma's motion to preliminarily enjoin EPA and the U.S. Army Corps of Engineers from enforcing their 2015 Clean Water Rule. The state sought to enjoin the 2015 Rule…
A district court granted states' and industry groups' motion for summary judgment in a challenge to EPA's and the U.S. Army Corps of Engineers' 2015 Clean Water Rule. The…
A district court granted Texas' motion to preliminarily enjoin the 2015 Clean Water Rule in Louisiana, Mississippi, and Texas. The state argued that implementing the rule would require it to…
New York's highest court held that material questions of fact prevent it from ruling on whether a narrow waterway within a remote area of the Adirondack Mountains is navigable-in-fact and…