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 | 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 | 1,709 |
| Service Connections | 519 |
Drinking Water Violations (11)
This water system has 11 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 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| May 1, 2009 | May 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Oct 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Apr 10, 2002 | - | |
| Oct 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Apr 10, 2002 | - | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2000 | - | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2000 | - | |
| - | - | - | 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.