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Key details on how you can protect your water supply through cross-connection control and backflow prevention.

It can happen: one day sewage might back up into your home. Who's responsible for fixing the problem, you or WSSC Water? The answer: It depends.

Learn how to reduce your exposure to lead.

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

Pipeline projects must follow WSSC Water's Pipeline Construction General Conditions and Standards Specifications, which are listed on this page.

A water main break leaves hundreds of people without service and can cause serious traffic problems. So we take them seriously - especially in cold weather.

Learn about the changes WSSC Water implemented in February 2026 to make your bills even easier to understand.