Lead Pipe Map

District of Columbia · 3 community water systems

Lead pipes in District Of Columbia, DC

3 community water systems serving District Of Columbia reported 16,935 lead and 220 galvanized-requiring-replacement service lines, plus 13,427 of unknown material. The most are in D.C. Water and Sewer Authority.

12% of these systems' lines are lead or galvanized requiring replacement, about the same as the District of Columbia average (12%) and higher than the national average (3.1%).

16,935Lead
220Galvanized, replace
13,427Unknown
107,795Non-lead

Water systems serving District Of Columbia

Water systemLeadGalv.Unknown% leadPeople
D.C. Water and Sewer AuthorityDistrict Of Columbia County16,93519013,38812%632,323
Naval Station Washington - WnyDistrict Of Columbia County023426%16,800
Joint Base Anacostia - BollingDistrict Of Columbia County07350.6%20,411

Systems that also serve other counties are counted in full. Your water bill names your utility.

What to do if your line is lead or unknown

  1. Check the pipe where water enters your home.
  2. Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking.
  3. Test your water, often free through the utility.
  4. Ask your utility about free or discounted replacement; most lines must be replaced by December 31, 2037.

Check another water system

Questions

Does District Of Columbia have lead pipes?

Yes. Water systems serving District Of Columbia reported 16,935 lead and 220 galvanized-requiring-replacement service lines, plus 13,427 of unknown material.

Which District Of Columbia water systems have the most lead lines?

D.C. Water and Sewer Authority (17,125), Naval Station Washington - Wny (23), Joint Base Anacostia - Bolling (7).

How do I check my home in District Of Columbia?

Find the water system named on your water bill in the table above, open its page and use its address-level inventory. You can also scratch-test the pipe where it enters your home.