SONOITA WATER UTILITY
Arizona - Community Water System - PWSID: AZ0412010
System Information
| PWSID | AZ0412010 |
| System Name | SONOITA WATER UTILITY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Local |
| 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 | SOUTHWESTERN UTILITY MGMT INC |
| Phone | 520-623-5172 |
Population & Service
| Population Served | - |
| Service Connections | 1 |
Drinking Water Violations (169)
This water system has 169 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 27, 2010 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 27, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 1, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 1, 2010 | - | |
| 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 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 5, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2006 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2006 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Archived | Sep 27, 2010 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jan 14, 2008 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2006 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2006 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jan 14, 2008 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2006 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2006 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 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.