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To be sure there's always enough water to serve our (almost) two million customers, we own dams that create reservoirs storing billions of gallons of water.

Learn more about the program to replace lead or Galvanized Requiring Replacement (GRR) water service lines.

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.

Did you know our customers must use a licensed journeyman or Master Level plumber to do any plumbing or gasfitting work in your home? Read more on finding one.

Access the update information WSSC Water provides to customers who live near ongoing water main replacement projects. 

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...