A district court granted summary judgment for environmental groups in an ongoing dispute over a Hawaii county's release of pollutants into injection wells at a wastewater reclamation facility…

The Wisconsin Supreme Court held, 4-2, that the Wisconsin Department of Natural Resources (WDNR) had the explicit authority to impose an animal unit maximum condition and an off-site groundwater…

The First Circuit vacated a district court order staying a CWA and RCRA citizen suit brought against an oil company. An environmental group argued, among other things, that the company had…

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…

The Ninth Circuit, 2-1, affirmed in part and reversed in part dismissal of a challenge to EPA's withdrawal of a previously proposed determination restricting mining operations in part of…

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…

In an unpublished opinion, the Fourth Circuit upheld the Army Corps of Engineers' decision to grant Maryland a CWA §404 permit for a mass transportation project.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

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…

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…