CITY OF WESTMINSTER
California - Community Water System - PWSID: CA3010064
System Information
| PWSID | CA3010064 |
| System Name | CITY OF WESTMINSTER |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | WESTMINSTER |
| ZIP Code | 92683 |
| Address | 14381 Olive St |
| Organization | NGO, JAKE |
| Phone | 714-548-3693 |
Population & Service
| Population Served | 90,911 |
| Service Connections | 20,763 |
Drinking Water Violations (13)
This water system has 13 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, 2013 | Jan 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2013 | - | |
| Jan 1, 2013 | Jan 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2013 | - | |
| Apr 1, 1993 | May 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1993 | - | |
| Apr 1, 1993 | May 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1993 | - | |
| Apr 1, 1993 | May 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1993 | - | |
| Mar 1, 1993 | Mar 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1993 | - | |
| Mar 1, 1993 | Mar 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1993 | - | |
| Mar 1, 1989 | Mar 31, 1989 | Other | No | No | - | - | - | Archived | Mar 31, 1989 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.