LOST HILLS UTILITY DISTRICT
California - Community Water System - PWSID: CA1510046
System Information
| PWSID | CA1510046 |
| System Name | LOST HILLS UTILITY DISTRICT |
| 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 | Jan 25, 1983 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | LOST HILLS |
| ZIP Code | 93249 |
| Address | P. O. BOX 246 |
| Organization | CHAVEZ, ANA |
| Phone | 661-797-2903 |
Population & Service
| Population Served | 2,370 |
| Service Connections | 450 |
Drinking Water Violations (53)
This water system has 53 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 | No | - | TT | - | Resolved | Jul 3, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Jul 3, 2024 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| Apr 1, 2011 | Apr 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2011 | - | |
| Apr 1, 2011 | Apr 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2011 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MCL | Yes | No | .043 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2008 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | .0357 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MCL | Yes | No | .0397 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2007 | - | |
| Jan 1, 2007 | Mar 30, 2007 | MCL | Yes | No | .0475 MG/L | 0.010 mg/L | .01 | Resolved | Mar 30, 2007 | - | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | .043 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2006 | - | |
| Feb 1, 2006 | Feb 28, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2006 | - | |
| Feb 1, 2006 | Feb 28, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2006 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 4, 2004 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 4, 2004 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Jan 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Sep 22, 2003 | - | |
| Jan 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Sep 22, 2003 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Nov 1, 2001 | Nov 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2001 | - | |
| Nov 1, 2001 | Nov 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2001 | - | |
| 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 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Mar 12, 2018 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Mar 12, 2018 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1994 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1994 | - | |
| May 1, 1994 | May 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1994 | - | |
| May 1, 1994 | May 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1994 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| May 1, 1993 | May 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1993 | - |
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.