SAN GABRIEL VALLEY WATER CO.-EL MONTE
California - Community Water System - PWSID: CA1910039
System Information
| PWSID | CA1910039 |
| System Name | SAN GABRIEL VALLEY WATER CO.-EL MONTE |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | EL MONTE |
| ZIP Code | 91734-2010 |
| Address | P.O.BOX 6010 |
| Organization | NGUYEN, HAI-VAN |
| Phone | 626-448-6183 |
Population & Service
| Population Served | 248,000 |
| Service Connections | 46,952 |
Drinking Water Violations (13)
This water system has 13 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, 2019 | Jun 30, 2019 | TT | Yes | No | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | TT | Yes | No | - | - | - | Resolved | Jun 30, 2019 | - | |
| Sep 1, 2018 | Sep 30, 2018 | TT | Yes | No | - | - | - | Resolved | Sep 30, 2018 | - | |
| Sep 1, 2018 | Sep 30, 2018 | TT | Yes | No | - | - | - | Resolved | Sep 30, 2018 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 20, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 20, 1995 | - | |
| Aug 1, 1987 | Aug 31, 1987 | Other | No | No | - | - | - | Archived | Aug 31, 1987 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.