MOUNT LAGUNA WATER SYSTEM
California - Transient Non-Community - PWSID: CA3700019
System Information
| PWSID | CA3700019 |
| System Name | MOUNT LAGUNA WATER SYSTEM |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 21, 1984 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SAN DIEGO |
| ZIP Code | 92127 |
| Address | 10845 Rancho Bernardo |
| Organization | AUGHINBAUGH, BRAD |
| Phone | 858-674-2912 |
Population & Service
| Population Served | 500 |
| Service Connections | 64 |
Drinking Water Violations (21)
This water system has 21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2015 | May 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2015 | - | |
| May 1, 2015 | May 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2015 | - | |
| Feb 1, 2015 | Feb 28, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2015 | - | |
| Feb 1, 2015 | Feb 28, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2015 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2012 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Aug 1, 1984 | Aug 31, 1984 | Other | No | No | - | - | - | Archived | Aug 31, 1984 | - |
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.