SONORA WATER RESOURCES, INC
California — Community Water System — PWSID: CA5510024
System Information
| PWSID | CA5510024 |
| System Name | SONORA WATER RESOURCES, INC |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 5, 1981 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | CLAREMONT |
| ZIP Code | 91711 |
| Address | 140 N. HARVARD AVE., UNIT 100 |
| Organization | MORALES, NATHANIEL |
| Phone | 909-788-0190 |
Population & Service
| Population Served | 1,154 |
| Service Connections | 130 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 28, 2005 | Lead and Copper Rule |
| Jan 2, 1996 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 21, 2002 | Lead and Copper 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.