Maryland · 4 community water systems
Lead pipes in Montgomery County, MD
4 community water systems serving Montgomery County reported 8 lead and 1,277 galvanized-requiring-replacement service lines, plus 65,510 of unknown material. The most are in Washington Suburban Sanitary Commission.
0.2% of these systems' lines are lead or galvanized requiring replacement, higher than the Maryland average (0.2%) and lower than the national average (3.1%).
- Lead <0.1%
- Galvanized (replace) 0.2%
- Unknown 12%
- Non-lead 88%
Water systems serving Montgomery County
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Washington Suburban Sanitary CommissionMontgomery County | 8 | 1,277 | 57,121 | 0.2% |
| City of RockvilleMontgomery County | 0 | 0 | 8,298 | 0% |
| Town of PoolesvilleMontgomery County | 0 | 0 | 91 | 0% |
| Fairland Crossing ApartmentsMontgomery County | 0 | 0 | 0 | – |
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
- Check the pipe where water enters your home.
- Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking.
- Test your water, often free through the utility.
- Ask your utility about free or discounted replacement; most lines must be replaced by December 31, 2037.
Check another water system
Questions
Does Montgomery County have lead pipes?
Yes. Water systems serving Montgomery County reported 8 lead and 1,277 galvanized-requiring-replacement service lines, plus 65,510 of unknown material.
Which Montgomery County water systems have the most lead lines?
Washington Suburban Sanitary Commission (1,285).
How do I check my home in Montgomery County?
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.