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 residents.

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 hydroseed the slope.