TRENTADUE WINERY
California - Transient Non-Community - PWSID: CA4900946
System Information
| PWSID | CA4900946 |
| System Name | TRENTADUE WINERY |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 27, 1983 |
| Last Reported | Jun 22, 2026 |
Location & Contact
| State | California |
| City | GEYSERVILLE |
| ZIP Code | 95441 |
| Address | 19170 Geyserville Ave. |
| Organization | TRENTADUE, STEVE |
| Phone | 707-758-6161 |
Population & Service
| Population Served | 70 |
| Service Connections | 18 |
Drinking Water Violations (27)
This water system has 27 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, 2019 | - | MR | No | Yes | - | - | - | Resolved | Jan 8, 2021 | - | |
| Apr 1, 2019 | - | MR | No | Yes | - | - | - | Resolved | Jan 8, 2021 | - | |
| Feb 1, 2013 | Feb 28, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2013 | - | |
| Feb 1, 2013 | Feb 28, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2013 | - | |
| Aug 27, 2012 | - | Other | No | No | - | - | - | Resolved | Mar 2, 2018 | - | |
| Aug 27, 2012 | - | Other | No | No | - | - | - | Resolved | Mar 2, 2018 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2003 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2003 | - | |
| Jan 1, 2003 | Jan 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2003 | - | |
| Jan 1, 2003 | Jan 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2003 | - | |
| Jun 1, 2002 | Jun 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2002 | - | |
| Jun 1, 2002 | Jun 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2002 | - | |
| Apr 1, 2002 | Apr 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2002 | - | |
| Apr 1, 2002 | Apr 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2002 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Mar 1, 1995 | Mar 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1995 | - | |
| Mar 1, 1995 | Mar 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1995 | - | |
| Sep 1, 1984 | Sep 30, 1984 | Other | No | No | - | - | - | Archived | Sep 30, 1984 | - | |
| Aug 1, 1984 | Aug 31, 1984 | Other | No | No | - | - | - | Archived | Aug 31, 1984 | - | |
| Jul 1, 1984 | Jul 31, 1984 | Other | No | No | - | - | - | Archived | Jul 31, 1984 | - |
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.