Major Milestone Paves Way for Potomac River Tunnel Construction at the Site
DC Water has completed its slope stabilization project along Canal Road, a critical step in order to move forward with construction for the Potomac River Tunnel Project. Originally scheduled to end in February, the project finished about two months ahead of schedule, minimizing additional impacts to commuters and ...
With December getting off to a near-record cold start now is the time to act. Winter weather can bring risks like frozen pipes, water main breaks, and other emergencies that can disrupt your water service. Don’t wait for something to happen. DC Water encourages customers to prepare now and know what to do if the unexpected happens.
TRAFFIC ADVISORY - CLEAN RIVERS - POTOMAC RIVER TUNNEL PROJECT
DC Water is in the final stretch of its slope stabilization project along Canal Road NW, a critical project that will pave the way for Potomac River Tunnel construction at this site. Beginning, the week of December 15, 2025, one westbound lane of Canal Road will be closed during daytime, off-peak hours on weekdays and Saturdays to ...
DC Water is reaching out to nearly 25,000 customers this month with important information about the material of their water service lines. These annual notifications are part of DC Water’s ongoing commitment to prevent exposure to lead and remove lead service lines from the District’s drinking water system through the Lead Free DC initiative.

Following the completion of priority valve repairs, DC Water will be doing road restoration work along New York Ave and Bladensburg Rd NE this weekend. The work will require lane closures for the duration of the weekend, reduce capacity, and may cause a significant impact to traffic.
On Saturday, November 22, 2025, one westbound lane of Canal Road Northwest NW will be closed between Foxhall Road (Glover-Archbold Trailhead) and the Georgetown University entrance. As part of DC Water’s slope stabilization project, a crew will remove debris from the bottom of the slope. The lane closure will be in effect from 7 a.m. to 7 p.m.
DC Water today announced the launch of Pure Water DC, a groundbreaking program designed to strengthen the District’s water supply resilience and secure a second source of drinking water for the nation’s capital. To kick off this initiative, DC Water convened a panel discussion along with industry experts, utilities, and federal and state regulators from across the region.
Panel discussion to bring together key partners on the path forward
On November 19, DC Water will launch an ambitious effort – Pure Water DC – to reduce the District’s reliance on the Potomac River as its only water source. We’ll be hosting an event to outline our vision and strategy for resilience.
DC CLEAN RIVERS – POTOMAC RIVER TUNNEL PROJECT
Beginning on or about November 12, 2025, DC Water will begin preparing for construction on the Potomac River Tunnel on the 3300 block of Water Street NW, beneath the Whitehurst Freeway.
Construction Nov 7-10, 14-17; Additional Weekend Closures Will Also Be Necessary
For the next two weekends, beginning Friday evening and continuing through early Monday, November 7-10 and 14-17, a section of the Rock Creek Multi-use Trail near Rose Park—between P Street NW and Pennsylvania Avenue NW— will be temporarily closed for construction.
