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WSSC Water Dams and Reservoirs

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.

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Drinking Water Source Protection

It's vital for WSSC Water to protect the rivers that are our main sources of drinking water. We actively work to do so, but we also need your help.

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Find and Operate Your Main Water Valve

It's something every homeowner needs to know: Where is your home's main water valve, and how do you turn it off and on? Keep reading and we'll give you some very helpful tips.

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