Water Filtration

Our mission is to operate and maintain water filtration plants to produce clean water that meets all regulatory requirements for safe drinking water. We will accomplish our mission safely, cost effectively, and in a manner that serves our customers well and protects the environment. 

WSSC Water operates and maintains two water filtration plants to supply our customers.  The average demand is approximately 170 million gallons per day (MGD). Our Patuxent produces a maximum of 100 MGD; the Potomac water filtration plant was recently upgraded to produce a maximum of 283 MGD.


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