VERNON VALLEY WATER SYSTEM
Arizona - Community Water System - PWSID: AZ0401054
System Information
| PWSID | AZ0401054 |
| System Name | VERNON VALLEY WATER SYSTEM |
| 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 | May 31, 1997 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | TUCSON |
| ZIP Code | 85754 |
| Address | PO BOX 85160 |
| Organization | SOUTHWESTERN UTILITY MGMT INC |
| Phone | 520-623-5172 |
Population & Service
| Population Served | 54 |
| Service Connections | 18 |
Drinking Water Violations (102)
This water system has 102 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2025 | Nov 30, 2025 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2025 | - | |
| Jul 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Aug 23, 2023 | - | |
| Jul 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Aug 23, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Archived | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Archived | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Archived | Jun 30, 2023 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jan 11, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jan 11, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 23, 2020 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Dec 19, 2018 | - | TT | Yes | No | - | - | - | Resolved | May 3, 2019 | - | |
| Dec 19, 2018 | - | TT | Yes | No | - | - | - | Resolved | May 3, 2019 | - | |
| Oct 1, 2014 | - | Other | No | No | - | - | - | Resolved | Mar 12, 2015 | - | |
| Oct 1, 2014 | - | Other | No | No | - | - | - | Resolved | Mar 12, 2015 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jul 17, 2015 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jul 17, 2015 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jun 29, 2013 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | Jun 29, 2013 | - | |
| Oct 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jun 29, 2013 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Jul 2, 2010 | - | |
| Mar 1, 2009 | Mar 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2009 | - | |
| Mar 1, 2009 | Mar 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2009 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 15, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Oct 9, 2007 | - | |
| Jan 1, 2007 | Jan 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2007 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2006 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2006 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Oct 9, 2007 | - | |
| Jan 1, 2006 | Jan 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2006 | - | |
| Nov 1, 2005 | Nov 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2005 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2005 | - | |
| Feb 1, 2005 | Feb 28, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2004 | - | |
| Sep 1, 2004 | Sep 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Nov 14, 2003 | - |
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.