It will continue to get harder to ensure there’s enough drinking water from the Potomac River, according to a group that coordinates with D.C.-area water companies.

Tamanend bottlenose dolphins are seasonal visitors to the Chesapeake Bay and Potomac River. They are a coastal population of ...

The George Washington Parkway is undertaking a new initiative to upgrade and replace several of its drinking fountains, ...

The NTSB concluded three days of investigative hearings into the collision between an Army helicopter and a passenger plane ...

As hearings unfold into the fatal January plane-helicopter collision near D.C., investigators say the FAA ignored clear ...

More to Do to Clean Up the Potomac River Stormwater runoff from urban and suburban areas is the major, fastest-growing culprit today polluting the Potomac River.

The National Transportation Safety Board has opened public hearings on a January midair collision between an Army Black Hawk ...

A long list of things went wrong in January and contributed to the collision between an Army helicopter and an American ...

The National Transportation Safety Board is continuing to investigate a fatal midair crash at Ronald Reagan Washington ...

It is the second of three days of witness testimony and public inquiry by the National Transportation Safety Board into ...