General Information

Service Area

DC Water's service area is approximately 725 square miles.

DC Water provides retail water and wastewater (sewer) service to the District of Columbia.

DC Water provides wholesale wastewater treatment service to Montgomery and Prince George's counties in Maryland and Fairfax and Loudoun counties in Virginia.

People Served

DC Water provides more than 672,000 residents, 17.8 million annual visitors, and 700,000 people who are employed in the District of Columbia with water and sewer/wastewater treatment.

Blue Plains treats wastewater from jurisdictions in Maryland and Virginia for an additional 1.6 million people.

Employees Approximately 1,118 people work for DC Water at various facilities throughout the District.
Drinking Water Source The U.S. Army Corps of Engineers Washington Aqueduct treats water from its intake at Great Falls on the Potomac River that is sold to DC Water for distribution in the District.
Drinking Water Quality Strong emphasis on water quality involves annual system flushing; routine water quality testing; ongoing system upgrades; lead water service line replacement; and strong partnerships with the U.S. Army Corps of Engineers Washington Aqueduct, the District environmental and health departments and the George Washington University School of Public Health.
Water Pumped DC Water pumped an average of 101 million gallons of water per day on average in FY 2015.
Treated Water Storage DC Water stores 61 million gallons of treated water at its eight facilities. An additional 49 million gallons is stored by the Washington Aqueduct.
Water System 1,350 miles of water pipes, four pumping stations, five reservoirs, three water towers, 43,860 valves, and more than 9,510 fire hydrants comprise the DC Water water distribution system.
Blue Plains Advanced Wastewater Treatment Plant Covering 153 acres on the bank of the Potomac River at the southernmost tip of the District, Blue Plains is the largest advanced wastewater treatment facility in the world.
Wastewater Treatment Capacity Blue Plains has a treatment capacity of 384 million gallons per day and a peak capacity of more than 1 billion gallons per day.
Sewer System 1,900 miles of sanitary and combined sewers, 22 flow-metering stations and nine off-site wastewater pumping stations comprise the sewer system.
Financial Performance DC Water has a "AAA" bond rating from S&P and "AA" bond rating from Moody's and Fitch and 17 consecutive unmodified audit opinions on financial statements.
Customer Service Information is provided to customers through bill inserts and an easy-to-navigate web site. The High Usage Notification Application (HUNA) program notifies customers when there is an unusual spike in water use; an interactive voice recognition phone system is available in English and Spanish; and the Emergency Call Center assists customers with water or sewer emergencies 24 hours a day. Online bill payment and other services are available, and two programs assist eligible customers who have difficulty paying their water and sewer bills.
Community Service DC Water conducts science classes in District schools and tours of Blue Plains. In addition, the Authority participates in forums, fairs, and community meetings, providing important information to District residents. DC Water's employees participate in a wide range of volunteer and charitable efforts.
Governance The Board of Directors—with members from the District and from Montgomery, Prince George's, and Fairfax counties—establishes policies. The District members set rates, charges and policies for District services, while the full Board sets policies for all joint uses of Blue Plains. The General Manager runs the daily operations of the Authority and is responsible for its overall performance.

What can you find in this section?

  • Areas Served
    Take a look at an animated map of the customer areas served by DC Water.
  • Awards
    Check out some of the prestigious awards presented to DC Water for both financial and operational excellence.
  • Facilities
    Find out about the major facilities and technical operations of DC Water.
  • Visitor Center at Blue Plains
  • FOIA Information
    DC Water follows the procedures set out at the Government Resource Center.

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