Who We Are
Areas Served by DC WASA
Interactive map of the
areas served by DCWASA
DC WASA is a multi-jurisdictional regional utility that provides drinking water and wastewater treatment to more than 500,000 residential, commercial and governmental customers in the District of Columbia, and also collects and treats wastewater for 1.6 million customers in Montgomery and Prince George's counties in Maryland and Fairfax and Loudoun counties in Virginia.
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