FARMINGTON WATER COMPANY
California - Community Water System - PWSID: CA3900505
System Information
| PWSID | CA3900505 |
| System Name | FARMINGTON WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Jun 22, 2026 |
Location & Contact
| State | California |
| City | FARMINGTON |
| ZIP Code | 95230 |
| Address | PO Box 77 |
| Organization | WATER COMPANY, FARMINGTON |
| Phone | 209-886-5346 |
Population & Service
| Population Served | 270 |
| Service Connections | 78 |
Drinking Water Violations (51)
This water system has 51 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 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jul 20, 2016 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jul 20, 2016 | - | |
| Jan 1, 2015 | Jan 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2015 | - | |
| Jan 1, 2015 | Jan 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2015 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 14, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 14, 2014 | - | |
| Jan 1, 2014 | Jan 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2014 | - | |
| Jan 1, 2014 | Jan 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2014 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2012 | - | |
| Feb 1, 2012 | Feb 29, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 1, 2012 | - | |
| Feb 1, 2012 | Feb 29, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 1, 2012 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| 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 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Feb 1, 2006 | Feb 28, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2006 | - | |
| Feb 1, 2006 | Feb 28, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2006 | - | |
| Jan 1, 2006 | Jan 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2006 | - | |
| Jan 1, 2006 | Jan 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2006 | - | |
| Dec 1, 2005 | Dec 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2005 | - | |
| Dec 1, 2005 | Dec 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2005 | - | |
| Feb 1, 2005 | Feb 28, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2005 | - | |
| Feb 1, 2005 | Feb 28, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2005 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Dec 1, 2004 | Dec 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2004 | - | |
| Dec 1, 2004 | Dec 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2004 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2003 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2003 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2001 | - | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2001 | - | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2001 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2001 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2001 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Jul 1, 1993 | Apr 4, 2000 | MR | No | No | - | TT | - | Resolved | Apr 4, 2000 | - | |
| 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.