KERN VALLEY MUTUAL WATER COMPANY
California - Community Water System - PWSID: CA1500252
System Information
| PWSID | CA1500252 |
| System Name | KERN VALLEY MUTUAL WATER COMPANY |
| 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 6, 1987 |
| Last Reported | Jun 22, 2026 |
Location & Contact
| State | California |
| City | LAKE ISABELLA |
| ZIP Code | 93240 |
| Address | P.O. Box 3162 |
| Organization | ESPE, GEORGE G. |
| Phone | 661-859-6142 |
Population & Service
| Population Served | 132 |
| Service Connections | 47 |
Drinking Water Violations (40)
This water system has 40 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, 2025 | - | MR | No | No | - | TT | - | Addressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2024 | - | |
| Apr 1, 2023 | - | RPT | No | No | - | - | - | Addressed | - | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Jan 12, 2024 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Jan 12, 2024 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| May 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Feb 3, 2023 | - | |
| May 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Feb 3, 2023 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Mar 1, 2018 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Mar 1, 2018 | - | |
| Oct 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Mar 1, 2018 | - | |
| Oct 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Mar 1, 2018 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2006 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2006 | - | |
| 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 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Dec 15, 2006 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Dec 15, 2006 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1998 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1998 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Jul 1, 1993 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 1993 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 1993 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2001 | - |
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.