Urban sections of the Potomac River are on the brink of becoming safe ... during the driest stretches of the year, when water pollution is at its lowest. “We’re getting closer to being able ...

Two dozen sewage releases were reported in the Potomac watershed during floods, according to the Maryland Department of ...

WASHINGTON — A major new phase of DC Water’s long-running Clean Rivers Project is officially underway. District leaders gathered at West Potomac Park on Monday to mark the start of ...

The Potomac River Tunnel is part of a court-mandated effort to curb combined sewer overflows (CSOs), a major source of pollution in the District’s waterways. CSOs occur when heavy rain ...

The testing takes place on land, in laboratories and in the Potomac River itself,” the plaintiffs said in the court filing. On Jan. 10, the Navy agreed to apply for a pollution discharge permit ...

Kennedy Jr. and his ill-advised Mother’s Day dip with grandchildren in Rock Creek, the notoriously polluted stream running ...