WALNUT PARK MUTUAL WATER CO.
California — Community Water System — PWSID: CA1910169
System Information
| PWSID | CA1910169 |
| System Name | WALNUT PARK MUTUAL WATER CO. |
| 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 | HUNTINGTON PARK |
| ZIP Code | 90255 |
| Address | 2460 E. FLORENCE AVENUE |
| Organization | GOMEZ, MIKE |
| Phone | 323-585-7321 |
Population & Service
| Population Served | 16,180 |
| Service Connections | 2,832 |
Drinking Water Violations (8)
This water system has 8 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, 2023 | Mar 14, 2024 | Carbon tetrachloride | Other | No | No | — | 0.005 mg/L | — | Resolved | Mar 14, 2024 | Volatile Organic Chemicals |
| Jun 1, 2023 | Mar 14, 2024 | Carbon tetrachloride | Other | No | No | — | 0.005 mg/L | — | Resolved | Mar 14, 2024 | Volatile Organic Chemicals |
| Oct 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 1, 2020 | Lead and Copper Rule |
| Oct 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 1, 2020 | Lead and Copper Rule |
| Oct 1, 2016 | Oct 31, 2016 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Oct 31, 2016 | Revised Total Coliform Rule |
| Oct 1, 2016 | Oct 31, 2016 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Oct 31, 2016 | Revised Total Coliform Rule |
| Jan 1, 1998 | Jan 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 1998 | Total Coliform Rule |
| Jan 1, 1998 | Jan 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 1998 | 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.