SOUTH MOUNTAIN MUTUAL WATER CO
California - Community Water System - PWSID: CA5601141
System Information
| PWSID | CA5601141 |
| System Name | SOUTH MOUNTAIN 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 28, 1986 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SANTA PAULA |
| ZIP Code | 93061 |
| Address | PO Box 307 |
| Organization | SCHIEFERLE, JANICE |
| Phone | 805-525-9946 |
Population & Service
| Population Served | 58 |
| Service Connections | 27 |
Drinking Water Violations (41)
This water system has 41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Mar 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | May 16, 2016 | - | |
| Mar 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | May 16, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Jul 1, 2010 | Jul 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2010 | - | |
| Jul 1, 2010 | Jul 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2010 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | May 8, 2012 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | May 8, 2012 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| Apr 1, 2009 | Apr 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2009 | - | |
| Apr 1, 2009 | Apr 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2009 | - | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| Jan 1, 2007 | Jan 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2007 | - | |
| Jan 1, 2007 | Jan 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2007 | - | |
| May 1, 2000 | May 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2000 | - | |
| May 1, 2000 | May 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2000 | - | |
| Jan 1, 2000 | Dec 30, 2000 | MCL | Yes | No | 29.6 PCI/L | 30 ug/L | 20 | Resolved | Dec 30, 2000 | - | |
| Jan 1, 2000 | Jan 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2000 | - | |
| Jan 1, 2000 | Dec 30, 2000 | MCL | Yes | No | 29.6 PCI/L | 30 ug/L | 20 | Resolved | Dec 30, 2000 | - | |
| Dec 1, 1999 | Dec 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1999 | - | |
| Dec 1, 1999 | Dec 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1999 | - | |
| Nov 1, 1999 | Nov 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1999 | - | |
| Nov 1, 1999 | Nov 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1999 | - | |
| Oct 1, 1999 | Oct 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1999 | - | |
| Oct 1, 1999 | Oct 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1999 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Aug 31, 2001 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Aug 31, 2001 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Nov 1, 1994 | Nov 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1994 | - | |
| Nov 1, 1994 | Nov 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1994 | - | |
| Oct 1, 1994 | Nov 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1994 | - | |
| Oct 1, 1994 | Nov 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1994 | - |
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.