The Seventh Circuit affirmed dismissal of a challenge to the Michigan Department of Environmental Quality's approval of a CWA §404 permit for a proposed mine along the Menominee River. A…

The Eleventh Circuit affirmed a district court decision upholding the U.S. Army Corps of Engineers' issuance of four CWA §404 permits to a fertilizer manufacturer engaged in phosphate mining…

A district court dismissed a Native American tribe's lawsuit challenging a proposed sulfide mine along the banks of the Menominee River, which forms the border between Wisconsin and Michigan…

The Fifth Circuit vacated a lower court's decision to preliminarily enjoin a pipeline company from constructing part of a pipeline through the Atchafalaya Basin, a sensitive wetlands area in…

A district court granted 11 states' motion to preliminarily enjoin EPA and the U.S. Army Corps of Engineers from implementing the "waters of the United States" rule, also known as…

The Ninth Circuit upheld the U.S. Army Corps of Engineers' issuance of a CWA §404 permit authorizing the discharge of materials into the Santa Clara River as part of a large-scale residential…

The Sixth Circuit, in litigation over the "waters of the United States" (WOTUS) rule, held that an internal U.S. Army Corps of Engineers memorandum critical of the rule's technical…

A district court held that an Illinois excavation company was liable under the CWA for discharging pollutants into a river without a permit. The company discharged concrete, dirt, and other…

The Eleventh Circuit affirmed a lower court decision upholding the U.S. Army Corps of Engineers' 2012 decision to issue a general nationwide permit—NWP 21—authorizing discharges from certain…

The D.C. Circuit upheld EPA's decision to invoke its veto authority under CWA §404(c) and withdraw two disposal sites from a CWA permit issued by the U.S. Army Corps of Engineers for a…