SONOITA VALLEY (NORTH) WATER COMPANY
Arizona - Community Water System - PWSID: AZ0412308
System Information
| PWSID | AZ0412308 |
| System Name | SONOITA VALLEY (NORTH) WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | TUCSON |
| ZIP Code | 85754 |
| Address | PO BOX 85160 |
| Organization | SONOITA VALLEY WATER COMPANY |
| Phone | 520-624-1460 |
Population & Service
| Population Served | 49 |
| Service Connections | 17 |
Drinking Water Violations (121)
This water system has 121 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2019 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Sep 1, 2017 | Aug 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2018 | - | |
| Sep 1, 2017 | Aug 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2018 | - | |
| Sep 1, 2017 | Aug 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2018 | - | |
| Sep 1, 2017 | Aug 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2018 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 16, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 16, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 2010 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Oct 23, 2009 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Oct 23, 2009 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| Apr 1, 2008 | Apr 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2008 | - | |
| Apr 1, 2008 | Apr 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2008 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Jun 27, 2006 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jun 27, 2006 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jun 27, 2006 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2007 | MR | No | No | - | 30 ug/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2004 | Dec 31, 2007 | MR | No | No | - | - | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2007 | MR | No | No | - | 5 pCi/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2004 | Dec 31, 2007 | MR | No | No | - | 15 pCi/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2004 | Dec 31, 2007 | MR | No | No | - | - | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jun 27, 2006 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jun 27, 2006 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 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.