SIERRA PARK WATER COMPANY INC.
California - Community Water System - PWSID: CA5510016
System Information
| PWSID | CA5510016 |
| System Name | SIERRA PARK WATER COMPANY INC. |
| 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 | Mar 20, 2026 |
Location & Contact
| State | California |
| City | MI-WUK VILLAGE |
| ZIP Code | 95346 |
| Address | P.O. Box 424 |
| Organization | ORDWEIN, HEIDI |
| Phone | 209-768-5283 |
Population & Service
| Population Served | 400 |
| Service Connections | 346 |
Drinking Water Violations (16)
This water system has 16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | Apr 30, 2025 | MON | No | No | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | No | - | - | - | Resolved | Apr 30, 2025 | - | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 28, 2005 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 28, 2005 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Jul 1, 2001 | Aug 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2001 | - | |
| Jul 1, 2001 | Aug 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2001 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1994 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1994 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| Jan 1, 1993 | Jan 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1993 | - | |
| Jan 1, 1993 | Jan 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1993 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.