Untreated Sewage Discharge, MM 5 Ohio River; Avalon, Pennsylvania

FWWH+3C Avalon, PA, USA | 2026-Mar-07

Initial Notification: On the morning of March 6, 2026, U.S. Coast Guard (USCG) Sector Ohio Valley contacted the NOAA Scientific Support Coordinator (SSC) regarding a release of a potential 15-million gallons of untreated sewage into the Ohio River at/near mile marker (MM) 5 near Pittsburgh. No hazardous waste or oil discharge was reported. The USCG requested from NOAA basic information on sewage discharges and general consultation and recommendations. The SSC provided background information on previous similar events and is standing by if further support is requested. No further action is anticipated at this time. Jurisdiction is outside of the National Contingency Plan (NCP) and USCG. Local authorities and U.S. Environmental Protection Agency have all been notified and consulted with.