RANCHO ESTATES MUTUAL WATER CO.
California - Community Water System - PWSID: CA3700936
System Information
| PWSID | CA3700936 |
| System Name | RANCHO ESTATES 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 | PAUMA VALLEY |
| ZIP Code | 92061 |
| Address | PO Box 1025 |
| Organization | GRAZIANO, BOBBY |
| Phone | 760-297-6307 |
Population & Service
| Population Served | 200 |
| Service Connections | 92 |
Drinking Water Violations (63)
This water system has 63 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, 2018 | Jun 30, 2018 | MCL | Yes | No | 11 MG/L | - | 10 | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | 11 MG/L | - | 10 | Resolved | Jun 30, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | 11 MG/L | - | 10 | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | 11 MG/L | - | 10 | Resolved | Mar 31, 2018 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 10.3 MG/L | - | 10 | Resolved | Dec 31, 2017 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 10.3 MG/L | - | 10 | Resolved | Dec 31, 2017 | - | |
| Sep 1, 2017 | - | RPT | No | No | - | - | - | Resolved | Nov 14, 2017 | - | |
| Sep 1, 2017 | - | RPT | No | No | - | - | - | Resolved | Nov 14, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | 11.2 MG/L | - | 10 | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | 11.2 MG/L | - | 10 | Resolved | Sep 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | 10.6 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | 10.6 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MCL | Yes | No | 16.6 MG/L | 10 mg/L | 10 | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MCL | Yes | No | 16.6 MG/L | 10 mg/L | 10 | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MCL | Yes | No | 16.6 MG/L | 10 mg/L | 10 | Resolved | Mar 31, 2017 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 14.2 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 14.2 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 14.2 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 15 MG/L | 10 mg/L | 10 | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 15 MG/L | 10 mg/L | 10 | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 15 MG/L | 10 mg/L | 10 | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | Yes | - | 30 ug/L | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | Yes | - | 30 ug/L | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | Yes | - | 30 ug/L | - | Resolved | Jan 31, 2016 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Dec 20, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Dec 20, 2014 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| Apr 3, 2013 | - | MR | No | No | - | TT | - | Resolved | Dec 2, 2014 | - | |
| Apr 3, 2013 | - | MR | No | No | - | TT | - | Resolved | Dec 2, 2014 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Jun 5, 2011 | - | MR | No | No | - | TT | - | Resolved | Dec 2, 2014 | - | |
| Jun 5, 2011 | - | MR | No | No | - | TT | - | Resolved | Dec 2, 2014 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2011 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2010 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2010 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 20, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 20, 2008 | - | |
| 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 | - |
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.