WESTERN MWD
California — Community Water System — PWSID: CA3310049
System Information
| PWSID | CA3310049 |
| System Name | WESTERN MWD |
| 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 | RIVERSIDE |
| ZIP Code | 92503 |
| Address | 16451 El Sobrante Rd. |
| Organization | MAGALLON, ALBERT |
| Phone | 951-789-5119 |
Population & Service
| Population Served | 86,062 |
| Service Connections | 22,297 |
Drinking Water Violations
No violations recorded for this water system in the EPA SDWIS database.
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.