The U.S. Supreme Court held, 5-4, that the CWA does not authorize EPA to include "end-result" provisions in NPDES permits, in a lawsuit concerning the Agency's issuance of a renewal…

A district court granted summary judgment for an environmental group in a lawsuit alleging that an equestrian center was unlawfully discharging pollutants into waters of the United States. The…

A district court vacated the Army Corps of Engineers' permit approvals under the CWA and the Rivers and Harbors Act (RHA) for development of a new port along the Delaware River. Three upriver…

A district court held that the Army Corps of Engineers violated the CWA and NEPA by issuing a dredge-and-fill permit to a municipal water utility to allow a dam expansion project in Denver.…

In an unpublished opinion, the Sixth Circuit granted environmental groups' motion to stay CWA permits issued for construction of a proposed pipeline in Tennessee. The groups argued the…

The Ninth Circuit reversed in part summary judgment for the operators of a marine cargo terminal on Puget Sound in a CWA citizen suit concerning stormwater discharges. An environmental group…

A district court denied the state of Florida's motion for a limited stay of the court's prior ruling vacating EPA's approval of Florida's application to assume permitting…

A district court granted in part environmental groups' motion for summary judgment in a challenge to various agency actions relating to EPA's approval of the state of Florida's…

The Tenth Circuit reversed a district court finding of a CWA violation in a citizen suit brought against the operator of a gold mine in Colorado. Plaintiffs argued the operator violated the CWA…

The Ninth Circuit affirmed summary judgment for an environmental group in a suit against a California resident who engaged in instream suction dredge mining in Idaho’s South Fork Clearwater River…