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 ...

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.

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

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

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 ...

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