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.

The hearings revealed that the air traffic controller had been overwhelmed, the helicopter's altimeter was inaccurate and there had been previous concerns with the helicopter route.

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

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

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 ...

A Spirit of Washington lunch cruise boat took on water in the Potomac River shortly after leaving the D.C.'s Wharf on a test ...

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

Loved ones of Washington, D.C., plane crash victims wore photos of their late friends and family members as they attended the ...

The Potomac River Test Range website offers daily updates on operations and schedules for the Potomac River Test Range and the Explosive Experimental Area (Pumpkin Neck). These military facilities ...

The NTSB showed the harrowing video of the Jan. 29 crash over the Potomac River as the agency kicked off a three-day hearing ...

If the Potomac River has gotten more attention than the Anacostia in the past 50 years, it’s partly because the Potomac supplies 90 percent of the region’s drinking water. That amounts to an ...