AMARILLO MUTUAL WATER COMPANY
California — Community Water System — PWSID: CA1910002
System Information
| PWSID | CA1910002 |
| System Name | AMARILLO MUTUAL WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| 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 | 3420 BURTON AVENUE |
| Organization | MARTINEZ, ERNEST |
| Phone | 626-571-7533 |
Population & Service
| Population Served | 3,134 |
| Service Connections | 625 |
Drinking Water Violations (40)
This water system has 40 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2022 | Dec 31, 2022 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Oct 1, 2022 | Dec 31, 2022 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Oct 1, 2022 | Dec 31, 2022 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Oct 1, 2022 | Dec 31, 2022 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Apr 1, 2022 | Jun 30, 2022 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2022 | Volatile Organic Chemicals |
| Apr 1, 2022 | Jun 30, 2022 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2022 | Volatile Organic Chemicals |
| Apr 1, 2022 | Jun 30, 2022 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2022 | Volatile Organic Chemicals |
| Apr 1, 2022 | Jun 30, 2022 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2022 | Volatile Organic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jul 1, 2021 | Sep 30, 2021 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2021 | Volatile Organic Chemicals |
| Jul 1, 2021 | Sep 30, 2021 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2021 | Volatile Organic Chemicals |
| Jul 1, 2021 | Sep 30, 2021 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2021 | Volatile Organic Chemicals |
| Jul 1, 2021 | Sep 30, 2021 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2021 | Volatile Organic Chemicals |
| Apr 1, 2021 | Jun 30, 2021 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2021 | Volatile Organic Chemicals |
| Apr 1, 2021 | Jun 30, 2021 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2021 | Volatile Organic Chemicals |
| Apr 1, 2021 | Jun 30, 2021 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2021 | Volatile Organic Chemicals |
| Apr 1, 2021 | Jun 30, 2021 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2021 | Volatile Organic Chemicals |
| Jul 1, 2020 | Sep 30, 2020 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2020 | Volatile Organic Chemicals |
| Jul 1, 2020 | Sep 30, 2020 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2020 | Volatile Organic Chemicals |
| Jul 1, 2020 | Sep 30, 2020 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2020 | Volatile Organic Chemicals |
| Jul 1, 2020 | Sep 30, 2020 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2020 | Volatile Organic Chemicals |
| Apr 1, 2020 | Jun 30, 2020 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2020 | Volatile Organic Chemicals |
| Apr 1, 2020 | Jun 30, 2020 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2020 | Volatile Organic Chemicals |
| Apr 1, 2020 | Jun 30, 2020 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2020 | Volatile Organic Chemicals |
| Apr 1, 2020 | Jun 30, 2020 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2020 | Volatile Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2019 | Volatile Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2019 | Volatile Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2019 | Volatile Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2019 | Volatile Organic Chemicals |
| Oct 1, 2009 | Oct 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2009 | Total Coliform Rule |
| Oct 1, 2009 | Oct 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2009 | Total Coliform Rule |
| Jan 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 1, 2001 | Lead and Copper Rule |
| Jul 2, 2000 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 13, 2001 | Lead and Copper Rule |
| Jun 1, 1999 | Jun 30, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1999 | Total Coliform Rule |
| Feb 1, 1999 | Feb 28, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1999 | Total Coliform Rule |
| Jan 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 15, 2000 | Lead and Copper Rule |
| Jan 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 15, 2000 | Lead and Copper Rule |
| May 1, 1995 | May 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1995 | Total Coliform Rule |
| May 1, 1995 | May 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1995 | 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.