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WSSC Water analyzes your drinking water for many things including color, hardness, pH, dissolved metals, organic and inorganic matter, pesticides, bacteria, disinfectants and much more. Our online rep...

Impacting customers who are served by the Potomac Water Filtration Plant

FY22 Water Quality Report Biographies

To be sure that there's always plenty of water when you turn on the tap, WSSC Water keeps water in reserve. Reservoirs created by dams are the largest reserves, but water storage tanks used throughout...

The Office of Supplier Diversity and Inclusion provides numerous resources for our suppliers in support of their continuous development as sustainable diverse and small, local businesses.

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.