Beginning the week of January 12, 2026, DC Water will begin the next phase of construction for the Potomac River Tunnel Project at the Georgetown University entrance site along the Canal Road NW.

Learn more about winter replacements and protecting pipes from the cold

When temperatures plunge and the ground freezes, replacing lead service lines becomes more challenging—but DC Water doesn’t stop. Our Lead Free DC (LFDC) crews adapt. To learn more DC Water is hosting a virtual community meeting 6 - 7 p.m., Jan 28.

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.