HOLLISTER RANCH ESTATES
California - Community Water System - PWSID: CA3500904
System Information
| PWSID | CA3500904 |
| System Name | HOLLISTER RANCH ESTATES |
| 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 | Sep 10, 1999 |
| Last Reported | Jun 22, 2026 |
Location & Contact
| State | California |
| City | HOLLISTER |
| ZIP Code | 95023 |
| Address | 2700 Geneil Ct. |
| Organization | KEARN, RYAN |
| Phone | 831-245-6273 |
Population & Service
| Population Served | 150 |
| Service Connections | 37 |
Drinking Water Violations (42)
This water system has 42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2023 | - | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2019 | - | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2019 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | 22 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | 22 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2017 | - | |
| May 1, 2017 | May 31, 2017 | MON | No | No | - | - | - | Resolved | May 31, 2017 | - | |
| May 1, 2017 | May 31, 2017 | MON | No | No | - | - | - | Resolved | May 31, 2017 | - | |
| Apr 8, 2017 | - | MR | No | No | - | - | - | Resolved | Jun 7, 2017 | - | |
| Apr 8, 2017 | - | MR | No | No | - | - | - | Resolved | Jun 7, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | 22 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | 22 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MCL | Yes | No | 23 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MCL | Yes | No | 23 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2017 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MCL | Yes | No | 23 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MCL | Yes | No | 23 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | 24 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | 24 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 24 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 24 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 25 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 25 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2016 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | 22 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | 22 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2015 | - | |
| Apr 1, 2010 | - | Other | No | No | - | - | - | Resolved | May 25, 2011 | - | |
| Apr 1, 2010 | - | Other | No | No | - | - | - | Resolved | May 25, 2011 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | No | - | 10 mg/L | - | Resolved | Mar 31, 2008 | - | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | No | - | 10 mg/L | - | Resolved | Mar 31, 2008 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Aug 1, 1999 | Aug 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1999 | - | |
| Aug 1, 1999 | Aug 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1999 | - | |
| Jul 1, 1999 | Jul 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1999 | - | |
| Jul 1, 1999 | Jul 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 2000 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1999 | Dec 31, 2000 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2000 | - |
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.