(August 3, 2023, 1:17 PM EDT) -- SAN FRANCISCO — The U.S. Environmental Protection Agency has the authority to include two narrative prohibitions and a long-term control plan (LTCP) update requirement in San Francisco’s National Pollutant Discharge Elimination System (NPDES) sewer system permit because such general and broad prohibitions are permitted under the Clean Water Act (CWA) and San Francisco has not updated its LTCP since 1991, the majority of a Ninth Circuit U.S. Court of Appeals panel found in denying San Francisco’s petition for review of the permit....