District Of Columbia Water and Sewer Authority, Washington

5000 Overlook Avenue
20032 Washington

202-787-2000 Call
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Updated more than 6 months ago




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.

Company description
DC Water provides nearly 600,000 residents, 16.6 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 approximately 1.6 million people.
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.
DC Water pumped 108 million gallons of water per day on average in FY 09.
Blue Plains has a treatment capacity of 370 million gallons per day and a peak capacity of more than 1 billion gallons per day.


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Sewer, Services, Systems, Quality, Maryland, Montgomery, Wastewater, Fairfax, Wastewater Treatment, System Upgrades, Provide, Prince Georges County, Line Replacement, Quality Testing, Lead Water Service, Retail Water