CITY OF TUSTIN
California — Community Water System — PWSID: CA3010046
System Information
| PWSID | CA3010046 |
| System Name | CITY OF TUSTIN |
| 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 | TUSTIN |
| ZIP Code | 92780 |
| Address | 300 Centennial Way |
| Organization | GRISSO, MICHAEL |
| Phone | 714-361-4719 |
Population & Service
| Population Served | 66,600 |
| Service Connections | 14,150 |
Drinking Water Violations (17)
This water system has 17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2018 | Jun 30, 2018 | MR | No | No | — | 0.060 mg/L | — | Resolved | Jun 21, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | No | — | 0.060 mg/L | — | Resolved | Jun 21, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | No | — | 0.080 mg/L | — | Resolved | Jun 21, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | No | — | 0.080 mg/L | — | Resolved | Jun 21, 2018 | — | |
| Jul 29, 2016 | — | MR | No | No | — | — | — | Resolved | Aug 16, 2016 | — | |
| Jul 29, 2016 | — | MR | No | No | — | — | — | Resolved | Aug 16, 2016 | — | |
| Nov 1, 2006 | Nov 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2006 | — | |
| Nov 1, 2006 | Nov 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2006 | — | |
| Aug 15, 1998 | Sep 16, 1998 | MCL | Yes | No | 54.7 MG/L | 10 mg/L | 45 | Resolved | Sep 16, 1998 | — | |
| Aug 15, 1998 | Sep 16, 1998 | MCL | Yes | No | 54.7 MG/L | 10 mg/L | 45 | Resolved | Sep 16, 1998 | — | |
| Oct 1, 1982 | Oct 31, 1982 | MCL | Yes | No | — | 10 mg/L | — | Archived | Oct 31, 1982 | — | |
| Oct 30, 1979 | Jan 29, 1980 | MCL | Yes | No | — | 10 mg/L | — | Archived | Jan 29, 1980 | — | |
| — | — | — | 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.