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There are two types of customer-side galvanized pipes. One requires replacement, and the other does not.

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.

The first step to reducing lead is to find its sources. We are helping customers identify their service line pipe material. If it turns out to be lead, we will help them replace it.  

Ensure the best water quality by following our recommendations to flush out potentially stagnant water.

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

November 2025 Update If our records show that a pipe type in your home or business is lead, Galvanized Requiring Replacement (GRR) or unknown, you will receive an annual notification from us.