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 stayed further proceedings in litigation challenging EPA's "waters of the United States" (WOTUS) rule pending any further decision by the U.S. Court of Appeals for…

The Sixth Circuit held that it has jurisdiction to hear numerous lawsuits challenging EPA's and the U.S. Army Corps of Engineers' "waters of the United States" (WOTUS) rule.…

The Sixth Circuit issued a nationwide stay enjoining the "waters of the United States" rule pending the court's determination as to whether it has subject matter jurisdiction to…

The Ninth Circuit held that the U.S. Bureau of Reclamation did not violate the CWA by discharging pollutants into the Klamath River without a permit in connection with its management of an…

A district court held that a Hawaiian county violated the CWA by discharging effluent without a NPDES permit at two of four injection wells at the Lahaina Wastewater Reclamation Facility. At issue…

A district court held that environmental groups may go forward with their CWA lawsuit against a rail carrier for allowing coal dust from open-top rail cars to be released into U.S. waterways. At…

A district court dismissed a property owner's OPA claims against a nearby college for land and water contamination allegedly caused by heating oil that leaked from USTs on the college campus…

The Ninth Circuit affirmed the dismissal of an environmental group's citizen suit against two electric companies alleging that their utility poles discharged wood preservative into the…

The U.S. Supreme Court held that stormwater runoff from logging roads that is collected by and then discharged from a system of ditches, culverts, and channels is not a point source discharge for…