ALTA SIERRA MUTUAL WATER CO.
California - Community Water System - PWSID: CA1500209
System Information
| PWSID | CA1500209 |
| System Name | ALTA SIERRA MUTUAL WATER CO. |
| 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 22, 1979 |
| Last Reported | Jun 22, 2026 |
Location & Contact
| State | California |
| City | WOFFORD HEIGHTS |
| ZIP Code | 93285 |
| Address | 1811 Fir Dr |
| Organization | SIMPSON, BRIAN |
| Phone | 760-549-9071 |
Population & Service
| Population Served | 143 |
| Service Connections | 224 |
Drinking Water Violations (6)
This water system has 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Sep 1, 1996 | Sep 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1996 | - | |
| Sep 1, 1996 | Sep 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1996 | - |
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.