CITY OF SAN JOSE - NSJ/ALVISO
California — Community Water System — PWSID: CA4310019
System Information
| PWSID | CA4310019 |
| System Name | CITY OF SAN JOSE - NSJ/ALVISO |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | SAN JOSE |
| ZIP Code | 95113 |
| Address | Enviro Services Dept-Muni Water System |
| Organization | PROVENZANO, JEFF |
| Phone | 408-277-3288 |
Population & Service
| Population Served | 45,559 |
| Service Connections | 2,206 |
Drinking Water Violations (8)
This water system has 8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2008 | Apr 30, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2008 | Total Coliform Rule |
| Apr 1, 2008 | Apr 30, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2008 | Total Coliform Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | Total Coliform Rule |
| Mar 1, 1995 | Mar 31, 1995 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Mar 31, 1995 | Surface Water Treatment Rule |
| Mar 1, 1995 | Mar 31, 1995 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Mar 31, 1995 | Surface Water Treatment Rule |
| Apr 1, 1992 | Apr 30, 1992 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Apr 3, 1992 | Surface Water Treatment Rule |
| Apr 1, 1992 | Apr 30, 1992 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Apr 3, 1992 | Surface Water Treatment Rule |
| Apr 1, 1992 | Apr 30, 1992 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Apr 3, 1992 | Surface Water Treatment 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.