CAL AMERICAN WATER COMPANY - PIRU
California — Community Water System — PWSID: CA5610021
System Information
| PWSID | CA5610021 |
| System Name | CAL AMERICAN WATER COMPANY - PIRU |
| System Type | Community Water System |
| Water Source | Ground 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 | ROSEMEAD |
| ZIP Code | 91770 |
| Address | 8657 Grand Ave. |
| Organization | PHILLIPS, MIKE C. |
| Phone | 626-614-2531 |
Population & Service
| Population Served | 2,003 |
| Service Connections | 613 |
Drinking Water Violations (6)
This water system has 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2021 | May 31, 2021 | MON | No | Yes | — | — | — | Resolved | May 31, 2021 | — | |
| May 1, 2021 | May 31, 2021 | MON | No | Yes | — | — | — | Resolved | May 31, 2021 | — | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | — | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | — | |
| Feb 1, 1998 | Feb 28, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1998 | — | |
| Feb 1, 1998 | Feb 28, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1998 | — |
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.