California · population 87,316
Lead pipes in Mountain View, CA
No lead lines reported
Most of Mountain View (population 87,316) gets its water from City of Mountain View, which reported 18,394 service lines and no lead, galvanized or unknown lines.
0% of City of Mountain View's service lines are lead or galvanized requiring replacement, lower than the California average (0.1%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 0%
- Non-lead 100%
Latest lead test for City of Mountain View (Jan 2023–Dec 2025): 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 Mountain View.
Water systems serving Mountain View
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| City of Mountain ViewMain system | 0 | 0 | 0 | 0% |
| Nasa Ames Research CenterServes nearby areas | 0 | 0 | 0 | 0% |
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 Mountain View
The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Mountain View'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
- Los Altosno lead reported
- Sunnyvaleno lead reported
- Palo Altono lead reported
- Los Altos Hillsno lead reported
- East Palo Altono lead reported
- Cupertinono lead reported
- Santa Clarano lead reported
- Menlo Parkno lead reported
Check another water system
Questions
Does Mountain View, CA have lead pipes?
City of Mountain View, which serves Mountain View, reported no lead, galvanized or unknown service lines.
Who supplies water to Mountain View?
EPA's service area maps place most of Mountain View in City of Mountain View's service area (PWSID CA4310007). Nasa Ames Research Center also serves parts of the city or nearby areas.
How do I check whether my Mountain View home has a lead service line?
Search your address on City of Mountain View'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 Mountain View 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 Mountain View whether your street is scheduled and whether it covers the private side.