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WSSC Water has always taken steps to ensure the security and safety our water supply and facilities. Since the terrorist attacks of Sept. 11, 2001, WSSC Water has been even more vigilant in watching o...

WSSC Water operates and maintains water filtration plants to create safe drinking water for all. We accomplish our mission safely, cost-effectively, and in a manner that serves our customers as well a...

WSSC Water is proud to present our annual Water Quality Report, which shows that our record of more than 107 years with zero water quality violations is going strong.

Established in 1918, WSSC Water is currently among the largest water and wastewater utilities in the nation, with a network of 5,977 miles of drinking water pipeline and over 5,677 mile...

Our crews are committed to serving our customers 24/7/365 and are prepared to respond to the increase in water main breaks and leaks we experience during the winter months. 

Our Potomac Water Filtration Plant intake is located upstream of the collapse and sewer overflow site.

For more than 100 years, WSSC Water has never had a water quality violation. To keep that record going, we continuously monitor our water treatment plants and distribution system.