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Our Potomac Water Filtration Plant intake is located upstream of the collapse and sewer overflow site.

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.

To create maps and for other business needs, WSSC Water provides a treasure trove of information about water and sewer inventory, engineering documents and more in our WERI browser application.

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.

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.

This page is for customers who have been contacted by WSSC Water to participate in drinking water sampling.Participation is by invitation only. Customers are selected based on a list approved by the M...

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.)

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...

If you are experiencing water quality issues in your drinking water, please contact the Emergency Services Center at 301-206-4002.