OLIVEHURST PUBLIC U.D.
California — Community Water System — PWSID: CA5810003
System Information
| PWSID | CA5810003 |
| System Name | OLIVEHURST PUBLIC U.D. |
| System Type | Community Water System |
| Water Source | Ground 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 | OLIVEHURST |
| ZIP Code | 95961 |
| Address | P.O. Box 670 |
| Organization | TILLOTSON, JOHN |
| Phone | 530-743-8573 |
Population & Service
| Population Served | 16,595 |
| Service Connections | 4,434 |
Drinking Water Violations (22)
This water system has 22 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, 2022 | Jan 31, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jan 31, 2022 | Revised Total Coliform Rule |
| Jan 1, 2022 | Jan 31, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jan 31, 2022 | Revised Total Coliform Rule |
| May 1, 2007 | May 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2007 | Total Coliform Rule |
| May 1, 2007 | May 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2007 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | Total Coliform Rule |
| Feb 1, 2006 | Feb 28, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2006 | Total Coliform Rule |
| Feb 1, 2006 | Feb 28, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2006 | Total Coliform Rule |
| Jan 1, 2006 | Jan 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2006 | Total Coliform Rule |
| Jan 1, 2006 | Jan 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2006 | Total Coliform Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | Total Coliform Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | Total Coliform Rule |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | Total Coliform Rule |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | Total Coliform Rule |
| Jan 1, 2004 | Dec 31, 2004 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | Nitrate Rule |
| Jan 1, 2004 | Dec 31, 2004 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | Nitrate Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| — | — | — | 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.