VINEYARD ESTATES MWC
California - Community Water System - PWSID: CA3500579
System Information
| PWSID | CA3500579 |
| System Name | VINEYARD ESTATES MWC |
| 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 6, 1994 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | HOLLISTER |
| ZIP Code | 95023 |
| Address | 6455 Cabernet Dr. |
| Organization | HERNANDEZ, DEBBIE |
| Phone | 408-649-0023 |
Population & Service
| Population Served | 90 |
| Service Connections | 26 |
Drinking Water Violations (30)
This water system has 30 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 4, 2024 | - | MR | No | Yes | - | - | - | Addressed | - | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2020 | Aug 31, 2020 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2020 | - | |
| Aug 1, 2020 | Aug 31, 2020 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2020 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MON | No | No | - | - | - | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MON | No | No | - | - | - | Resolved | Sep 30, 2017 | - | |
| Jun 1, 2017 | Jun 30, 2017 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2017 | - | |
| Jun 1, 2017 | Jun 30, 2017 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2017 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Oct 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Oct 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| 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 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | May 23, 2003 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | May 23, 2003 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | May 23, 2003 | - | |
| Dec 1, 1997 | Dec 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1997 | - | |
| Dec 1, 1997 | Dec 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1997 | - | |
| May 1, 1996 | May 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1996 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| Mar 1, 1993 | Mar 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1993 | - | |
| Mar 1, 1993 | Mar 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 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.