JR SIMPLOT CO
California - Non-Transient Non-Community - PWSID: CA3900810
System Information
| PWSID | CA3900810 |
| System Name | JR SIMPLOT CO |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 5, 1981 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | LATHROP |
| ZIP Code | 95330 |
| Address | PO BOX 198 |
| Organization | JR SIMPLOT CO |
| Phone | - |
Population & Service
| Population Served | 300 |
| Service Connections | 1 |
Drinking Water Violations (28)
This water system has 28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2016 | Feb 29, 2016 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Feb 29, 2016 | - | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Feb 29, 2016 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 2010 | - | |
| Jul 1, 2010 | Jul 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 2010 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Archived | Nov 30, 2009 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 2009 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2009 | - | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 2008 | - | |
| Oct 1, 2007 | Jul 31, 2008 | MCL | Yes | No | 23 MG/L | 0.010 mg/L | .01 | Resolved | Jul 31, 2008 | - | |
| Oct 1, 2007 | Jul 31, 2008 | MCL | Yes | No | 23 MG/L | 0.010 mg/L | .01 | Resolved | Jul 31, 2008 | - | |
| Jun 1, 2006 | Jun 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 2006 | - | |
| Apr 1, 2006 | Apr 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Archived | Apr 30, 2006 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 2005 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 2005 | - | |
| May 1, 2004 | May 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 2004 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 2003 | - | |
| Jun 1, 2002 | Jun 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 2002 | - | |
| May 1, 2001 | May 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 2001 | - | |
| Apr 1, 2001 | Apr 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Apr 30, 2001 | - | |
| Mar 1, 2001 | Mar 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Mar 31, 2001 | - | |
| Feb 1, 2001 | Feb 28, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Feb 28, 2001 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 2001 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Archived | Apr 30, 1997 | - | |
| May 1, 1983 | May 31, 1983 | Other | No | No | - | - | - | Archived | May 31, 1983 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.