LOCKEFORD MOBILE HOME PARK WTR SYS
California - Community Water System - PWSID: CA3900682
System Information
| PWSID | CA3900682 |
| System Name | LOCKEFORD MOBILE HOME PARK WTR SYS |
| 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 | CONCORD |
| ZIP Code | 94520 |
| Address | 1647 Willow Pass Road #300 |
| Organization | VASHON, JOHN |
| Phone | 925-640-7121 |
Population & Service
| Population Served | 123 |
| Service Connections | 43 |
Drinking Water Violations (22)
This water system has 22 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, 2012 | May 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2012 | - | |
| May 1, 2012 | May 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2012 | - | |
| Mar 1, 2010 | Mar 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2010 | - | |
| Mar 1, 2010 | Mar 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2010 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2007 | - | |
| Feb 1, 2006 | Feb 28, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2006 | - | |
| Feb 1, 2006 | Feb 28, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2006 | - | |
| Dec 1, 2005 | Dec 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2005 | - | |
| Dec 1, 2005 | Dec 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2005 | - | |
| Apr 1, 2005 | Apr 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2005 | - | |
| Apr 1, 2005 | Apr 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2005 | - | |
| May 1, 2004 | May 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2004 | - | |
| May 1, 2004 | May 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2004 | - | |
| Apr 1, 2004 | Apr 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2004 | - | |
| Apr 1, 2004 | Apr 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2004 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2002 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| Jul 1, 1993 | Apr 4, 2000 | MR | No | No | - | TT | - | Resolved | Apr 4, 2000 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 15 pCi/L | - | Archived | Sep 30, 1982 | - | |
| Oct 30, 1980 | Oct 29, 1981 | MR | No | Yes | - | 15 pCi/L | - | Archived | Oct 29, 1981 | - | |
| - | - | - | 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.