MONROVIA-CITY, WATER DEPT.
California — Community Water System — PWSID: CA1910090
System Information
| PWSID | CA1910090 |
| System Name | MONROVIA-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 | Nov 17, 2025 |
Location & Contact
| State | California |
| City | MONROVIA |
| ZIP Code | 91016 |
| Address | 600 S. MOUNTAIN AVE |
| Organization | HULL, TODD |
| Phone | 626-256-8209 |
Population & Service
| Population Served | 37,931 |
| Service Connections | 9,597 |
Drinking Water Violations (2)
This water system has 2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2023 | May 31, 2023 | Nitrate | MR | No | No | — | 10 mg/L | — | Resolved | May 31, 2023 | Nitrate Rule |
| May 1, 2023 | May 31, 2023 | Nitrate | MR | No | No | — | 10 mg/L | — | Resolved | May 31, 2023 | 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.