California · population 37,926
Lead pipes in San Gabriel, CA
No lead lines reported
Most of San Gabriel (population 37,926) gets its water from San Gabriel County WD, which reported 9,636 service lines and no lead, galvanized or unknown lines.
0% of San Gabriel County WD'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 San Gabriel County WD (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 San Gabriel County WD.
Water systems serving San Gabriel
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| San Gabriel County WDMain system | 0 | 0 | 0 | 0% |
| Cal/Am Water Company - San MarinoServes 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 San Gabriel
The counts above cover the whole water system. To see whether your line is lead, look up your address on San Gabriel County WD'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
- Rosemeadno lead reported
- San Marinono lead reported
- Alhambrano lead reported
- Temple1,578 unknown
- South Pasadenano lead reported
- Monterey Park12,178 unknown
- South El Monteno lead reported
- El Monteno lead reported
Check another water system
Questions
Does San Gabriel, CA have lead pipes?
San Gabriel County WD, which serves San Gabriel, reported no lead, galvanized or unknown service lines.
Who supplies water to San Gabriel?
EPA's service area maps place most of San Gabriel in San Gabriel County WD's service area (PWSID CA1910144). Cal/Am Water Company - San Marino also serves parts of the city or nearby areas.
How do I check whether my San Gabriel home has a lead service line?
Search your address on San Gabriel County WD'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 San Gabriel 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 San Gabriel County WD whether your street is scheduled and whether it covers the private side.