LA VERNE, CITY WD
California — Community Water System — PWSID: CA1910062
System Information
| PWSID | CA1910062 |
| System Name | LA VERNE, CITY WD |
| 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 | LA VERNE |
| ZIP Code | 91750 |
| Address | 3660 D STREET |
| Organization | VIEYRA, JOE |
| Phone | 909-596-8741 |
Population & Service
| Population Served | 31,334 |
| Service Connections | 8,819 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2017 | Sep 30, 2017 | Nitrate | MCL | Yes | No | 11 MG/L | 10 mg/L | 10 | Resolved | Sep 30, 2017 | Nitrate Rule |
| Jul 1, 2017 | Sep 30, 2017 | Nitrate | MCL | Yes | No | 11 MG/L | 10 mg/L | 10 | Resolved | Sep 30, 2017 | Nitrate Rule |
| Feb 1, 2011 | Feb 28, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2011 | Total Coliform Rule |
| Feb 1, 2011 | Feb 28, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2011 | Total Coliform Rule |
| Feb 1, 2011 | Feb 28, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2011 | Total Coliform Rule |
| Feb 1, 2011 | Feb 28, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2011 | Total Coliform Rule |
| May 1, 1998 | May 31, 1998 | Nitrate | MCL | Yes | No | 53 MG/L | 10 mg/L | 45 | Resolved | May 31, 1998 | Nitrate Rule |
| May 1, 1998 | May 31, 1998 | Nitrate | MCL | Yes | No | 53 MG/L | 10 mg/L | 45 | Resolved | May 31, 1998 | Nitrate Rule |
| May 1, 1984 | May 31, 1984 | Nitrate | MCL | Yes | No | — | 10 mg/L | — | Archived | May 31, 1984 | Nitrate 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.