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…

In an unpublished opinion, the Fourth Circuit upheld the Army Corps of Engineers' decision to grant Maryland a CWA §404 permit for a mass transportation project. An environmental group and state…

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…

The Fourth Circuit affirmed summary judgment for the Army Corps of Engineers in a challenge to the Corps' issuance of a permit to construct a jetty to prevent beach erosion in North Carolina. An…

The Second Circuit denied a petition to review two FERC orders that determined the New York State Department of Environmental Conservation (NYDEC) had waived its authority under §401 of the CWA to…

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 granted a pipeline company's petition to review the North Carolina Department of Environmental Quality's (NCDEQ's) denial of a CWA §401 certification for construction of a…