CAL-WATER SERVICE CO.-OROVILLE
California — Community Water System — PWSID: CA0410005
System Information
| PWSID | CA0410005 |
| System Name | CAL-WATER SERVICE CO.-OROVILLE |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | SAN JOSE |
| ZIP Code | 95112 |
| Address | 1720 NORTH FIRST STREET |
| Organization | HENRIE, TARRAH |
| Phone | 408-367-8490 |
Population & Service
| Population Served | 11,106 |
| Service Connections | 3,528 |
Drinking Water Violations (4)
This water system has 4 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 | Yes | — | — | — | Resolved | Jan 31, 2022 | Revised Total Coliform Rule |
| Jan 1, 2022 | Jan 31, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jan 31, 2022 | Revised Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
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.