CITY OF STOCKTON
California - Community Water System - PWSID: CA3910012
System Information
| PWSID | CA3910012 |
| System Name | CITY OF STOCKTON |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | STOCKTON |
| ZIP Code | 95206 |
| Address | 2500 Navy Dr |
| Organization | LYTLE, MEL |
| Phone | 209-937-8438 |
Population & Service
| Population Served | 191,302 |
| Service Connections | 51,522 |
Drinking Water Violations (23)
This water system has 23 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2023 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2025 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2025 | - | |
| Mar 1, 2016 | Mar 31, 2016 | TT | Yes | No | - | - | - | Resolved | Mar 31, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | TT | Yes | No | - | - | - | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | .096 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | .096 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2013 | - | |
| Nov 1, 2005 | Nov 30, 2005 | Other | No | No | - | 5% of samples | - | Resolved | Nov 30, 2005 | - | |
| Nov 1, 2005 | Nov 30, 2005 | Other | No | No | - | 5% of samples | - | Resolved | Nov 30, 2005 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 20, 2001 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 20, 2001 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 20, 2001 | - | |
| Dec 1, 1999 | Dec 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1999 | - | |
| Dec 1, 1999 | Dec 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1999 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.