What We Do
 

DC Water distributes drinking water and collects and treats wastewater for more than 700,000 residents and 25.95 million annual visitors in the District of Columbia. DC Water also provides wholesale wastewater treatment services for 1.8 million people in Montgomery and Prince George's counties in Maryland, and Fairfax and Loudoun counties in Virginia. We are proud to provide these vital, safe, and high-quality services to our customers while also protecting and enhancing our environment.

To distribute drinking water, DC Water operates more than 1,350 miles of pipes, four pumping stations, five reservoirs, four elevated water storage tanks, 43,860 valves and 9,500 public hydrants. To collect wastewater, DC Water operates 1,800 miles of sanitary and combined sewers, 22 flow-metering stations, and nine off-site wastewater pumping stations. To treat wastewater, DC Water operates the Blue Plains Advanced Wastewater Treatment Plant, the largest advanced wastewater treatment facility in the world.

If you're a DC Water customer and have questions about your service, please visit our online Customer Center or call Customer Service at 202-354-3600. 

Upcoming Meeting

Board of Directors Meeting

April 24, 2023

Monday 9:00 AM

Announcement

Aerial View of Construction near Watergate Complex Shows cranes and construction of drop shaft underway
Scaffolding Installation Begins near Watergate Complex for Potomac River Tunnel Project

Rock Creek and Potomac Parkway NW Beginning September 23, 2025, to Mid-November 2025

DC Water is installing temporary scaffolding at the Rock Creek Trail site, west of the Watergate Complex. Trail users are advised to adhere to flagger instructions during installation.

Scaffolding installation is expected to be completed by September 26, 2025, and will remain in place until mid-November 2025.

Latest Blog Post
A helicopter lowers a drill rig to workers on the Potomac River.
DC Water begins drilling in Potomac River to explore options to rehab underwater sewer line
When one of your major sewer lines runs through the Potomac River, a backhoe and trencher won't do. That's why we've got helicopters carrying a 14-ton drill and workers suspended midair over the Potomac.
Upcoming Meeting
Date
October 7, 2025
Tuesday, 9:30 AM

Customer Service Center Announcement

Payment Plan Incentive: provides a credit back of 40% of the last 3 payments made and in the new fiscal year 50% will be credited. Eligible participants are residential customers who have had an outstanding balance for 60 days or greater and with an outstanding balance of $500 or more.