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If WSSC Water issues a boil water advisory, there are safety steps you need to follow while the advisory's in effect and after it ends.

WSSC Water relies on your help to prevent suspicious or illegal activity. Review these Frequently Asked Questions so you'll know how to report possible crimes to WSSC Water Police.

What's your ADC? That is, your Average Daily Consumption of water? Bet you'd be surprised to learn just how quickly your everyday water usage - taking a shower, brushing your teeth, washing your hands...

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.

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.

Do you have questions about the quality of the water we provide? We have answers. (And a reminder that in more than 107 years, WSSC Water has never had a water quality violation.)

FY22 Water Quality Report Biographies

There are steps you can take to ensure the best water quality in your home. Here's what you should do if you see discolored water, or if it's time to flush the pipes.

Homeowners and government, state, and utility projects with construction in the vicinity of WSSC Water's existing easements/infrastructure or that impact our water or sewer mains will n...

Emergencies: 301-206-4002  | Claims:  301-206-7095 | Bill payments: 301-206-4001 

We determine our water and sewer rates with cost of service, fairness and our financial stability in mind.