O'CONNOR HOSPITAL
California - Non-Transient Non-Community - PWSID: CA4300808
System Information
| PWSID | CA4300808 |
| System Name | O'CONNOR HOSPITAL |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 30, 1981 |
| Last Reported | Jun 22, 2026 |
Location & Contact
| State | California |
| City | SAN JOSE |
| ZIP Code | 95128 |
| Address | 2105 Forest Avenue |
| Organization | SINGER, DANUEL |
| Phone | 408-947-2539 |
Population & Service
| Population Served | 2,500 |
| Service Connections | 2 |
Drinking Water Violations (31)
This water system has 31 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 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Nov 24, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Nov 24, 2020 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Nov 24, 2020 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Nov 24, 2020 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Nov 24, 2020 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Nov 24, 2020 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Jan 1, 1995 | Jan 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jan 1, 1995 | Jan 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jul 1, 1993 | Apr 4, 2000 | MR | No | No | - | TT | - | Resolved | Apr 4, 2000 | - | |
| Aug 1, 1984 | Aug 31, 1984 | Other | No | No | - | - | - | Archived | Aug 31, 1984 | - | |
| - | - | - | 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.