SAN JOSE WATER
California - Community Water System - PWSID: CA4310011
System Information
| PWSID | CA4310011 |
| System Name | SAN JOSE WATER |
| 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 | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SAN JOSE |
| ZIP Code | 95128 |
| Address | 1221A South Bascom Avenue |
| Organization | DELORENZO, SUZANNE |
| Phone | 408-918-7254 |
Population & Service
| Population Served | 1,039,920 |
| Service Connections | 237,130 |
Drinking Water Violations (14)
This water system has 14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2023 | Jun 30, 2023 | TT | Yes | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | TT | Yes | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2017 | - | MR | No | Yes | - | - | - | Resolved | May 31, 2017 | - | |
| Apr 1, 2017 | - | MR | No | Yes | - | - | - | Resolved | May 31, 2017 | - | |
| May 1, 2000 | May 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2000 | - | |
| May 1, 2000 | May 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2000 | - | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | - | - | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | - | - | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | - | - | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | - | - | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | - | - | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | - | - | - | Resolved | Aug 31, 1997 | - | |
| - | - | - | 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.