SAN ANTONIO CANYON MSC
California - Community Water System - PWSID: CA3610082
System Information
| PWSID | CA3610082 |
| System Name | SAN ANTONIO CANYON MSC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 31, 1980 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | MT. BALDY |
| ZIP Code | 91759 |
| Address | P.O. BOX 631 |
| Organization | SKED, KAREN |
| Phone | 909-982-5970 |
Population & Service
| Population Served | 119 |
| Service Connections | 64 |
Drinking Water Violations (5)
This water system has 5 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, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2005 | - |
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.