The Seventh Circuit affirmed dismissal of a CWA citizen suit brought against the owner of a coal-fired power plant in Illinois. An environmental group argued the owner violated the CWA by…

A district court granted partial summary judgment in a CWA citizen suit brought against the owner of a mine in Washington. The state of Washington and an environmental group argued the mine owner…

A district court granted a conservation group's motion for summary judgment in a lawsuit concerning a California resident's recreational gold mining in a river in Idaho. The group argued the…

The Tenth Circuit denied a company's petition to review an Environmental Appeals Board (EAB) decision denying its petition to review a 2017 permit issued by EPA to an upstream wastewater treatment…

The First Circuit affirmed in part and reversed in part a ruling in a CWA citizen suit brought against developers of a construction site in Worcester, Massachusetts. An environmental group argued…

The Fourth Circuit affirmed summary judgment for a coal company in a lawsuit concerning the company's alleged mine pollution discharges that had been permitted under a CWA permit. Environmental…

A district court denied a motion for preliminary injunction in a lawsuit concerning irrigation of a golf course in Big Sky, Montana. Environmental groups argued a Montana water district over-…

A state court reversed the Maryland Department of the Environment's (MDE's) decision to reissue an NPDES general permit for animal feeding operations without limitations on the discharge of…

The Fourth Circuit stayed a pipeline company's use of a nationwide permit, verified by the Army Corps of Engineers, to carry out construction of the Mountain Valley Pipeline in streams and rivers…

The Montana Supreme Court affirmed vacatur of a Montana Pollutant Discharge Elimination System (MPDES) permit issued by the Montana Department of Environmental Quality (MDEQ) for a copper and…