California · population 324,975
Lead pipes in Stockton, CA
No lead lines reported
Most of Stockton (population 324,975) gets its water from California Water Service - Stockton, which reported 47,015 service lines and no lead, galvanized or unknown lines.
0% of California Water Service - Stockton'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 California Water Service - Stockton (Jan 2022–Dec 2024): 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 California Water Service - Stockton.
Water systems serving Stockton
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| California Water Service - StocktonMain system | 0 | 0 | 0 | 0% |
| City of StocktonAlso serves parts of the city | 0 | 0 | 0 | 0% |
| CDCR California Health Care FacilityAlso serves parts of the city | 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 Stockton
The counts above cover the whole water system. To see whether your line is lead, look up your address on California Water Service - Stockton'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
Check another water system
Questions
Does Stockton, CA have lead pipes?
California Water Service - Stockton, which serves Stockton, reported no lead, galvanized or unknown service lines.
Who supplies water to Stockton?
EPA's service area maps place most of Stockton in California Water Service - Stockton's service area (PWSID CA3910001). City of Stockton, CDCR California Health Care Facility also serve parts of the city or nearby areas.
How do I check whether my Stockton home has a lead service line?
Search your address on California Water Service - Stockton'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 Stockton 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 California Water Service - Stockton whether your street is scheduled and whether it covers the private side.