New interactive map allows DC residents to search if water pipes made of lead

Lead levels in the D.C. water supply has been a concern for years. Now, DC Water is trying to be more proactive by allowing its customers to access a new interactive map.

This map is helping property owners identify what material makes up their water service lines. The interactive tool allows residents to type in their address to see what information DC Water has in its records about the pipe materials.

DC Water said lead levels are historically low, but every property is unique, and they want to give as much information as possible to owners so they can protect themselves from lead exposure.

The District's drinking water system dates back to the 1800s. Lead pipes were commonly installed prior to the mid-1950s and even as late as 1977.

DC Water does offer free water testing for lead to customers. You can test your water for lead by requesting a free lead monitoring kit at or by phone at 202-354-3600.

Some of the signs of lead poisoning include developmental delay, learning difficulties, irritability, loss of appetite, weight loss, sluggishness and fatigue, abdominal pain, vomiting, constipation and hearing loss.

For more information about DC Water's service pipe material information, go to