⚖ Oral Arguments, with Context

The Fourth Circuit considers whether to pause a Clean Water Act permit for Transco's Southeast Supply Enhancement pipeline while five environmental groups challenge it. The groups say the Army Corps failed to justify trenching through streams and wetlands instead of boring beneath them, and assessed cumulative harm without adequate baseline data. The Corps says the record contains the required crossing analysis; Transco says a stay would disrupt active construction. Five days later, the court denied the stay. In June, the parties agreed to dismiss the petition with prejudice, ending the case without a full merits judgment.

Haw River Assembly v. United States Army Corps of Engineers (No. 26-1470) — U.S. Court of Appeals for the Fourth Circuit, argued May 13, 2026.