CITY OF SANTA ANA
California — Community Water System — PWSID: CA3010038
System Information
| PWSID | CA3010038 |
| System Name | CITY OF SANTA ANA |
| 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 | Nov 17, 2025 |
Location & Contact
| State | California |
| City | SANTA ANA |
| ZIP Code | 92703 |
| Address | 220 S. DAISY AVENUE BLDG. A |
| Organization | BARRERA, CESAR |
| Phone | 714-647-3387 |
Population & Service
| Population Served | 310,539 |
| Service Connections | 45,743 |
Drinking Water Violations (15)
This water system has 15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2021 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Jul 1, 2022 | Revised Total Coliform Rule |
| Oct 1, 2021 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Jul 1, 2022 | Revised Total Coliform Rule |
| Sep 1, 2016 | Sep 30, 2016 | Groundwater Rule | MR | No | No | — | — | — | Resolved | Sep 30, 2016 | Ground Water Rule |
| Sep 1, 2016 | Sep 30, 2016 | Groundwater Rule | MR | No | No | — | — | — | Resolved | Sep 30, 2016 | Ground Water Rule |
| Jan 1, 2013 | Mar 31, 2013 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2013 | Mar 31, 2013 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2013 | Mar 31, 2013 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2013 | Mar 31, 2013 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2010 | Apr 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | Total Coliform Rule |
| Apr 1, 2010 | Apr 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | Total Coliform Rule |
| Apr 1, 1993 | Apr 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 22, 1993 | Total Coliform Rule |
| Apr 1, 1993 | Apr 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 22, 1993 | Total Coliform Rule |
| Jan 1, 1993 | Jan 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 1993 | Total Coliform Rule |
| Jan 1, 1993 | Jan 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 1993 | Total Coliform Rule |
| — | — | — | 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.