Swimming has been illegal in most of D.C.'s waterways since the 1970s, largely because of contamination from the district's ...

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

Dozens ranging in age from 7 to 75 compete in Saturday’s annual Potomac Downriver Race event on kayaks, canoes and stand-up ...

A passenger jet carrying 64 people collided with a Black Hawk military helicopter while landing at Ronald Reagan Washington National ... on January 29 over the Potomac River.

Constructed to use the strong tides of the Potomac River to clear silt from the Washington Channel and to maintain steady water levels in the Lincoln Memorial Reflecting Pools, it now also serves ...

Constructed to use the strong tides of the Potomac River to clear silt from the Washington Channel and to maintain steady water levels in the Lincoln Memorial Reflecting Pools, it now also serves ...

(AP) — Police boats combed the banks of the Potomac River ... been pulled from the river as of Friday afternoon, including 28 that had been positively identified, Washington, D.C., Fire Chief ...

The famous trees, and the festival associated with their blossoming each spring, is part of a tradition for the global ...

Health Secretary Robert F. Kennedy Jr. took a swim in Washington, D.C.'s Rock Creek despite warnings about high bacterial ...