Public water system record
California Water Service - Stockton
Serves Stockton, Garden Acres, Country Club and 3 more places, San Joaquin County, CA · 176,266 people served
Federal records show no health-based violations and no monitoring or reporting issues for California Water Service - Stockton in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- California Water Service - Stockton draws water from 26 wells (1 of them for emergency, seasonal or other part-time use).
- Lead pipe inventory: 0 lead and 39,837 unknown out of 47,015 service lines.
Check whether California Water Service - Stockton serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Where the water comes from
California Water Service - Stockton draws water from 26 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from Stockton East Water District. 1 smaller public system such as schools, businesses or campgrounds buys water from California Water Service - Stockton.
Buys water from
- Stockton East Water District Stockton, CA
Annual water quality report
California Water Service - Stockton must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells