( October 17, 2024, 8:26 AM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on Oct. 16 heard oral arguments on a dispute over San Francisco’s National Pollutant Discharge Elimination System (NPDES) sewer system permit in an appeal by the city asking the justices to decide whether the Clean Water Act (CWA) permits the Environmental Protection Agency or authorized states to impose general prohibitions rather than specific limits when it comes to water quality standards and permitted discharge....