DC Water breaks ground on a 5.5-mile tunnel under D.C. to capture sewage overflows, aiming to cut Potomac River pollution by ...

Local leaders have a new map of options to fill in the missing links of the Potomac Heritage National Scenic Trail in western ...

Once it is, organizations such as the Potomac Riverkeeper Network could use the existing models and maps of the river to pinpoint locations in the river where the water still might contain ...

Under the plan, the Blue Line would have run in a loop with new stations at places like Georgetown and National Harbor, near which it would have crossed the Potomac River a second time and hooked ...

The cleanup event aims to improve water quality and protect wildlife habitats in the Potomac River, which supplies drinking water to over five million people. Despite recent improvements ...

ARLINGTON, Va. (AP) — Police boats combed the banks of the Potomac River on Friday, slowly scanning the shoreline in the rain as investigators sought clues into the midair collision that killed ...

The wreckage of a U.S. Army Black Hawk helicopter in the Potomac River in Washington, D.C., Thursday. (BRANDON GILES/U.S. COAST GUARD) The U.S. Coast Guard released images taken Thursday of the ...