La Jolla Western
California - Community Water System - PWSID: 090605008
System Information
| PWSID | 090605008 |
| System Name | La Jolla Western |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | California |
| City | Pauma Valley |
| ZIP Code | 92061 |
| Address | 22000 Highway 76 |
| Organization | La Jolla Band of Luiseno Indians |
| Phone | 7607423771 |
Population & Service
| Population Served | 296 |
| Service Connections | 75 |
Drinking Water Violations (177)
This water system has 177 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 1, 2023 | - | MR | No | Yes | - | - | - | Resolved | Nov 20, 2023 | - | |
| Jun 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 2, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Apr 6, 2022 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Dec 1, 2005 | Dec 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 17, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Feb 3, 2005 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Nov 1, 2001 | Nov 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2001 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Feb 3, 2005 | - | |
| Apr 1, 2001 | Apr 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2001 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2000 | - | |
| Jul 1, 2000 | - | Other | No | No | - | - | - | Resolved | Feb 2, 2005 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 0.00000003 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 0.02 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Sep 1, 1996 | Sep 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1996 | - | |
| Mar 1, 1996 | Mar 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1996 | - | |
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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.