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Where Does My Water Come From?

The clean, safe drinking water we provide comes from one of two rivers: the Potomac or the Patuxent. But which one provides your water? Keep reading to find out.

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Essential-Water-Use-Only Request

Request LIFTED for all WSSC Water Customers, Effective 1:20 p.m., Monday, February 2, 2026

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Partnering to Protect Clean Water

Our FOG program is key to preventing sanitary sewer overflows, sewage backups and sewage spills.

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Engineering Records/Information (WERI)

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.

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