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 defendant violated the CWA by suction dredge mining during the 2014, 2015, and 2018 dredging seasons without ...

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 southwest Alaska's Bristol Bay watershed. A conservation group had argued the withdrawal violated the CWA and EPA...

In an unpublished opinion, the Fourth Circuit upheld the Army Corps of Engineers' decision to grant Maryland a CWA §404 permit for a mass transportation project.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 residents argued that the Corps granted the permit without considering alternatives other than the optio...

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 plant. In its petition, the company argued the permit constituted backsliding under the CWA, particular...