Maryland · population 68,417
Lead pipes in Rockville, MD
8,298 lines still unidentified
Most of Rockville (population 68,417) gets its water from City of Rockville. It reported no confirmed lead service lines, but 8,298 of 13,225 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of City of Rockville's service lines are lead or galvanized requiring replacement, lower than the Maryland average (0.2%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 63%
- Non-lead 37%
Latest lead test for City of Rockville (Jan 2018–Jun 2018): not detected at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for City of Rockville.
Water systems serving Rockville
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| City of RockvilleMain system | 0 | 0 | 8,298 | 0% |
| Washington Suburban Sanitary CommissionServes nearby areas | 8 | 1,277 | 57,121 | 0.2% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Rockville
The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Rockville's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- Garrett Park1,285 lead + galv. lines
- Gaithersburg1,285 lead + galv. lines
- Kensington1,285 lead + galv. lines
- Chevy Chase View1,285 lead + galv. lines
- Chevy Chase town1,285 lead + galv. lines
- Somerset1,285 lead + galv. lines
- Chevy Chase Village town1,285 lead + galv. lines
- Takoma Park1,285 lead + galv. lines
Check another water system
Questions
Does Rockville, MD have lead pipes?
None are confirmed, but City of Rockville still lists 8,298 service lines as unknown material.
Who supplies water to Rockville?
EPA's service area maps place most of Rockville in City of Rockville's service area (PWSID MD0150003). Washington Suburban Sanitary Commission also serves parts of the city or nearby areas.
How do I check whether my Rockville home has a lead service line?
Search your address on City of Rockville's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Rockville be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask City of Rockville whether your street is scheduled and whether it covers the private side.