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We're always open to new materials and products that can help us serve you better. But first they need the approval of our "MEP" team.

Learn how WSSC Water is checking pipes for lead or how you can do it yourself. 

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.

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.  

WSSC Water is proud to be part of the U.S. Environmental Protection Agency’s (EPA) enhanced Lead and Copper Rule, an important national public health initiative to remove lead from America’s drinking ...

This bill explainer walks you through important information and shows you how usage is calculated, explains the rate structure, and details the calculations used to determine water and sewer charges. ...

If you are experiencing a water or sewer emergency, please call our 24-hour Emergency Services Center - 301-206-4002.Read the Claims Process   |  lea el proceso de reclamos

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.

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

WSSC Water analyzes your drinking water for many things including color, hardness, pH, dissolved metals, organic and inorganic matter, pesticides, bacteria, disinfectants and much more. Our online rep...

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...