EL MONTE-CITY, WATER DEPT.
California - Community Water System - PWSID: CA1910038
System Information
| PWSID | CA1910038 |
| System Name | EL MONTE-CITY, WATER DEPT. |
| 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 | Mar 20, 2026 |
Location & Contact
| State | California |
| City | EL MONTE |
| ZIP Code | 91731 |
| Address | 3990 ARDEN DRIVE |
| Organization | NGUYEN, DON |
| Phone | 626-258-8603 |
Population & Service
| Population Served | 22,968 |
| Service Connections | 3,545 |
Drinking Water Violations (21)
This water system has 21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2000 | Aug 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2000 | - | |
| Aug 1, 2000 | Aug 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2000 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1993 | - | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1993 | - | |
| Oct 1, 1993 | Oct 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1993 | - | |
| Oct 1, 1993 | Oct 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1993 | - | |
| Aug 30, 1993 | Mar 23, 1995 | MR | No | No | - | 0.005 mg/L | - | Resolved | Dec 22, 1994 | - | |
| Aug 30, 1993 | Mar 23, 1995 | MR | No | No | - | 0.005 mg/L | - | Resolved | Dec 22, 1994 | - | |
| Jun 1, 1993 | Jun 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1993 | - | |
| Jun 1, 1993 | Jun 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1993 | - | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1992 | - | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1992 | - | |
| - | - | - | 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.