CAL AMERICAN WC - RIO PLAZA
California — Community Water System — PWSID: CA5610010
System Information
| PWSID | CA5610010 |
| System Name | CAL AMERICAN WC - RIO PLAZA |
| 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 | Nov 17, 2025 |
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 | 1,709 |
| Service Connections | 519 |
Drinking Water Violations (10)
This water system has 10 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, 2015 | Jun 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| May 1, 2009 | May 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2009 | Total Coliform Rule |
| May 1, 2009 | May 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2009 | Total Coliform Rule |
| Oct 1, 2003 | Oct 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2003 | Total Coliform Rule |
| Oct 1, 2003 | Oct 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2003 | Total Coliform Rule |
| Oct 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 10, 2002 | Lead and Copper Rule |
| Oct 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 10, 2002 | Lead and Copper Rule |
| Aug 1, 2000 | Aug 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | Total Coliform Rule |
| Aug 1, 2000 | Aug 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | Total Coliform 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.