SAN GABRIEL VALLEY WATER CO-MONTEBELLO 2
California — Community Water System — PWSID: CA1910117
System Information
| PWSID | CA1910117 |
| System Name | SAN GABRIEL VALLEY WATER CO-MONTEBELLO 2 |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | EL MONTE |
| ZIP Code | 91734-2010 |
| Address | P.O.BOX 6010 |
| Organization | NGUYEN, HAI-VAN |
| Phone | 626-448-6183 |
Population & Service
| Population Served | 7,330 |
| Service Connections | 1,524 |
Drinking Water Violations (9)
This water system has 9 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, 2021 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Sep 9, 2021 | Revised Total Coliform Rule |
| May 1, 2021 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Sep 9, 2021 | Revised Total Coliform Rule |
| Apr 1, 2021 | Jun 30, 2021 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Jun 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 | Jun 30, 2021 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Jun 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Sep 9, 2021 | Revised Total Coliform Rule |
| Apr 1, 2021 | Jun 30, 2021 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Jun 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 | Jun 30, 2021 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Jun 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2001 | Oct 31, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2001 | Total Coliform Rule |
| Oct 1, 2001 | Oct 31, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2001 | 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.