CAL/AM WATER COMPANY - SAN MARINO
California — Community Water System — PWSID: CA1910139
System Information
| PWSID | CA1910139 |
| System Name | CAL/AM WATER COMPANY - SAN MARINO |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | ROSEMEAD |
| ZIP Code | 91770 |
| Address | 8657 GRAND AVENUE |
| Organization | NIETO, CHRISTOPHER |
| Phone | 626-614-2509 |
Population & Service
| Population Served | 47,995 |
| Service Connections | 14,544 |
Drinking Water Violations (1)
This water system has 1 violation 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| — | — | — | 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.