TESORO VIEJO MASTER MWC, INC.
California — Community Water System — PWSID: CA2010017
System Information
| PWSID | CA2010017 |
| System Name | TESORO VIEJO MASTER MWC, INC. |
| 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 | Jun 1, 2017 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | SAN JOSE |
| ZIP Code | 95112 |
| Address | 1720 NORTH FIRST STREET |
| Organization | JAMES, SOPHIE |
| Phone | 408-367-8593 |
Population & Service
| Population Served | 3,885 |
| Service Connections | 1,115 |
Drinking Water Violations
No violations recorded for this water system in the EPA SDWIS database.
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.