LOCH LOMOND MUTUAL WATER CO
California - Community Water System - PWSID: CA1700518
System Information
| PWSID | CA1700518 |
| System Name | LOCH LOMOND 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 | Mar 20, 2026 |
Location & Contact
| State | California |
| City | COBB |
| ZIP Code | 95426 |
| Address | P.O. Box 284 |
| Organization | MURPHY, BENJAMIN |
| Phone | 707-928-5262 |
Population & Service
| Population Served | 693 |
| Service Connections | 238 |
Drinking Water Violations (26)
This water system has 26 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 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jun 1, 2020 | Jun 30, 2020 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2020 | - | |
| Jun 1, 2020 | Jun 30, 2020 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2020 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 14, 2020 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 14, 2020 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jul 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Jul 1, 2011 | - | |
| Jul 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Jul 1, 2011 | - | |
| Sep 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 13, 2013 | - | |
| Sep 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 13, 2013 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Mar 7, 2018 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Mar 7, 2018 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jun 1, 2002 | Aug 31, 2002 | MR | No | No | - | TT | - | Resolved | Aug 31, 2002 | - | |
| Jun 1, 2002 | Aug 31, 2002 | MR | No | No | - | TT | - | Resolved | Aug 31, 2002 | - | |
| Jul 1, 1993 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Dec 31, 2003 | - | |
| Apr 1, 1983 | Apr 30, 1983 | Other | No | No | - | - | - | Archived | Apr 30, 1983 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 15 pCi/L | - | Archived | Sep 30, 1982 | - | |
| Oct 30, 1980 | Oct 29, 1981 | MR | No | Yes | - | 15 pCi/L | - | Archived | Oct 29, 1981 | - |
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.