GREAT OAKS WC INC
California - Community Water System - PWSID: CA4310022
System Information
| PWSID | CA4310022 |
| System Name | GREAT OAKS WC INC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SAN JOSE |
| ZIP Code | 95119 |
| Address | 20 Great Oaks Blvd. |
| Organization | ROEDER, JOHN |
| Phone | 408-227-9540 |
Population & Service
| Population Served | 110,088 |
| Service Connections | 21,415 |
Drinking Water Violations (11)
This water system has 11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2015 | Mar 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2015 | - | |
| Mar 1, 2015 | Mar 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2015 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Jan 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Aug 17, 2004 | - | |
| Jan 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Aug 17, 2004 | - | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1992 | - | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1992 | - | |
| - | - | - | 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.