MINERAL MOUNTAIN MUTUAL WATER
California - Community Water System - PWSID: CA0500019
System Information
| PWSID | CA0500019 |
| System Name | MINERAL MOUNTAIN MUTUAL WATER |
| 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 28, 1986 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | MUPHYS |
| ZIP Code | 95247 |
| Address | P.O. BOX 537 |
| Organization | SAUL, RHONDA |
| Phone | 209-728-9029 |
Population & Service
| Population Served | 67 |
| Service Connections | 34 |
Drinking Water Violations (85)
This water system has 85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Nov 1, 2014 | Nov 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2014 | - | |
| Nov 1, 2014 | Nov 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2014 | - | |
| Nov 1, 2014 | Nov 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2014 | - | |
| Nov 1, 2014 | Nov 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2014 | - | |
| Jun 1, 2009 | Jun 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Jun 1, 2009 | Jun 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Jun 1, 2009 | Jun 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2006 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2006 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2006 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Sep 14, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Sep 14, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Sep 14, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Aug 24, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Aug 24, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Aug 24, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | May 19, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | May 19, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | May 19, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2001 | - |
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.