A district court dismissed a challenge to EPA's amendment to the 2015 Effluent Limitations Guidelines Rule, which established new limits and standards for various types of waste streams…

The Fourth Circuit held that citizens may bring suit alleging a violation of the CWA when the source of the pollution is no longer releasing the pollutant, but the pollutant continues to be…

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…

A district court preliminarily enjoined EPA's and the U.S. Army Corps of Engineers' controversial "waters of the United States" rule. Thirteen states—Alaska, Arizona, Arkansas…

A district court held that it lacked jurisdiction over a coal company's lawsuit challenging EPA's and the U.S. Army Corps of Engineers' controversial "waters of the United…

The D.C. Circuit denied an environmental group's petition for review challenging FERC's decision to issue a natural gas pipeline operator a certificate of public convenience and…

The Fifth Circuit upheld a lower court's dismissal of a lawsuit challenging the U.S. Army Corps of Engineers' jurisdictional determination (JD) that a proposed landfill site contains…