Potomac River

The Long Bridge project aims to speed up railway traffic by constructing a new span over the Potomac River in addition to the existing bridge. The project is set to be completed by 2030. Transportation Reporter Adam Tuss reports.

In the event of a drinking water crisis, Washington, D.C.’s reserve supply would only last one day, according to a new report. The Potomac River is D.C.’s only source of drinking water, and while it seems like it would be an endless supply, a number of things could happen to compromise it, like impacts of climate change that could...

In the event of a drinking water crisis, Washington, D.C.’s reserve supply would only last one day, according to a new report. News4’s Mark Segraves has the details.

Storm Team4 Meteorologist Ryan Miller explains how heat and drought affecting the Potomac River led to a boil water advisory in D.C. and Arlington County.

A boil water advisory has been lifted for the entire District of Columbia and Arlington County. News4’s Juliana Valencia reports.

The AP chemistry students traded their books for a boat-ride to put their knowledge — and the rivers’ water quality — to the test. News4’s Megan McGrath reports.

Construction is starting for the Potomac Rover Tunnel Project this week, starting with closing Ohio Drive between Independence Avenue and West Basin Drive in D.C. News4’s Derrick Ward explains how this will impact traffic for the next six years. 

A body was found in the Potomac River on Memorial Day weekend as crews were looking for a young man who disappeared while trying to swim across the fast-moving body of water.

A body was found in the Potomac River on Memorial Day weekend as crews were looking for a young man who disappeared while trying to swim across the fast-moving body of water.

A man is missing and is presumed to have drowned after attempting to swim across the river from Virginia to Maryland, authorities said.

DC Water broke ground Tuesday on the Potomac River Tunnel at West Potomac Park, which will address sewer overflow and ultimately make the Potomac River, and, in turn, the Chesapeake Bay cleaner.  News4’s Mauricio Casillas reports.

It’s been 42 years since Air Florida Flight 90 struck the 14th Street Bridge before plunging into the icy Potomac River. But the daring helicopter rescue and heroic efforts of bystanders saved five people, and their actions are unforgettable.

It’s been 42 years since Air Florida Flight 90 struggled to take off from Washington National Airport, struck the 14th Street Bridge and then plunged into icy water. But the daring rescue is still impressive decades later.

A man died early Friday morning after DC Fire and EMS pulled him out a car that plunged into the Potomac River.

The man died at a hospital after he was pulled from a car under the Memorial Bridge.

A woman drowned while kayaking on the Potomac River Sunday. News4’s Aimee Cho reports.

Fire officials said the victim was a part of about two dozen people in an out-of-state college kayaking group.

A trip to D.C. turned tragic Sunday afternoon when a woman in a group of visiting college students drowned while kayaking in the Potomac River, authorities say.

Researchers hope a project to restore freshwater mussels in streams, rivers and estuaries will improve water quality in the Potomac River watershed.

A Maryland man drowned in the Potomac River on July 4 after he tried to cross through the water while fishing near Harpers Ferry, West Virginia, authorities say.