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WSSC Water operates and maintains water filtration plants to create safe drinking water for all. We accomplish our mission safely, cost-effectively, and in a manner that serves our customers as well a...

WSSC Water is proud to present our annual Water Quality Report, which shows that our record of more than 107 years with zero water quality violations is going strong.

Established in 1918, WSSC Water is currently among the largest water and wastewater utilities in the nation, with a network of 5,977 miles of drinking water pipeline and over 5,677 mile...

A timeline of WSSC Water’s and national efforts to eliminate lead in drinking water

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.

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.

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

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...

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.)