CITY OF VACAVILLE
California — Community Water System — PWSID: CA4810008
System Information
| PWSID | CA4810008 |
| System Name | CITY OF VACAVILLE |
| 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 | Nov 17, 2025 |
Location & Contact
| State | California |
| City | ELMIRA |
| ZIP Code | 95625-0220 |
| Address | PO BOX 220 |
| Organization | COLE, JUSTEN |
| Phone | 707-469-6404 |
Population & Service
| Population Served | 97,000 |
| Service Connections | 30,935 |
Drinking Water Violations (7)
This water system has 7 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, 2001 | Dec 31, 2001 | Radium-226 | MR | No | No | — | — | — | Resolved | Dec 31, 2001 | Radionuclides and Revised Rad Rule |
| Oct 1, 2001 | Dec 31, 2001 | Radium-226 | MR | No | No | — | — | — | Resolved | Dec 31, 2001 | Radionuclides and Revised Rad Rule |
| Oct 1, 1999 | Dec 31, 1999 | Radium-226 | MR | No | No | — | — | — | Resolved | Dec 31, 1999 | Radionuclides and Revised Rad Rule |
| Oct 1, 1999 | Dec 31, 1999 | Radium-226 | MR | No | No | — | — | — | Resolved | Dec 31, 1999 | Radionuclides and Revised Rad Rule |
| May 9, 1995 | May 10, 1997 | Other | No | No | — | — | — | Resolved | May 10, 1997 | Miscellaneous Other Rules | |
| May 9, 1995 | May 10, 1997 | Other | No | No | — | — | — | Resolved | May 10, 1997 | Miscellaneous Other Rules | |
| — | — | — | 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.