( May 4, 2026, 3:47 PM EDT) -- WASHINGTON, D.C. — Pursuant to the Clean Water Act (CWA) and the National Pollutant Discharge Elimination System (NPDES) permitting program, the United States filed a federal suit against the District of Columbia public utility that owns and operates a sanitary sewer pipeline that allegedly collapsed and discharged millions of gallons of raw, untreated sewage into the Potomac River over the course of nearly two months....