A crucial race against the clock to dig a tunnel under the Potomac River depends on a powerhouse player: a 15-foot-wide, 380-ton machine named “Hazel.” This round metal device, a custom-made ...

The Potomac River Tunnel is part of a court-mandated effort to curb combined sewer overflows (CSOs), a major source of pollution in the District’s waterways. CSOs occur when heavy rain ...

This $615 million project is key to cleaning up the Potomac River. When heavy rain strikes a centuries-old neighborhood in Alexandria, Va., the city’s pipes can’t handle the volume. Storm ...

DC Water breaks ground on a 5.5-mile tunnel under D.C. to capture sewage overflows, aiming to cut Potomac River pollution by 93% by 2030.

The Potomac River Tunnel is the next major phase of the project to mitigate the District’s combined sewer overflow system — built before 1900 — which carries both sewage and stormwater in a ...

The Tunnel Project, which started in June 2024, will create a 18-foot underground tunnel from Georgetown to the National mall to handle sewage overflow that currently pollutes the Potomac River ...

WASHINGTON (7News) — West Potomac Park Drive SW, a new road constructed as part of the Potomac River Tunnel (PRT) Project, will be opening at the beginning of next week. Starting Monday ...

Starting Monday, June 17,DC Water will close Ohio Drive, SW for approximately six years for the Potomac River Tunnel Project. During this time, Ohio Drive, SW, between Independence Avenue, SW, and ...

Biden plans to talk about replacing the Baltimore and Potomac Tunnel. ... On Tuesday, he will travel to New York to talk about plans for another new rail tunnel, this one under the Hudson River.

D.C. Water will begin performing construction work in the first week of February on and near the Georgetown University campus as part of the Potomac River Tunnel Project. The project will provide long ...

The tunnel system will capture millions of gallons of sewage mixed with rainwater for treatment at AlexRenew and the cleaned water will be returned to the Potomac River.