In an unpublished opinion, the Ninth Circuit reversed the denial of an environmental group's motion to intervene in a lawsuit challenging EPA and the U.S. Army Corps of Engineers' 2015…

A district court granted a motion for summary judgment in a challenge to EPA and the U.S. Army Corps of Engineers' 2015 Clean Water Rule. States and industry groups argued the rule violated…

A district court vacated TMDLs that were established by the District of Columbia for E. Coli bacteria in portions of the Anacostia and Potomac Rivers and approved by EPA in 2014. Environmental…

The Oregon Supreme Court upheld the Department of Environmental Quality's issuance of a permit for the discharge of certain pollutants resulting from suction dredge mining. A mining…

A state appellate court held invalid the Department of Ecology's administrative rule establishing summer minimum instream flows for the lower reach of the Spokane River. Environmental groups…

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 denied an offshore drilling platform operator's motion to reconsider the court's previous ruling that barred the Bureau of Ocean Energy Management (BOEM) from issuing…

The Fifth Circuit vacated portions of a 2015 EPA rule that set new effluent limitation guidelines (ELGs) for legacy wastewater and combustion residual leachate that are discharged from steam…

A district court stayed a constitutional challenge to the Washington Department of Ecology's decision to deny a coal company a CWA §401 certification for construction of a coal export…