TOLLESON CITY OF
Arizona - Community Water System - PWSID: AZ0407101
System Information
| PWSID | AZ0407101 |
| System Name | TOLLESON CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| 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 | SURPRISE |
| ZIP Code | 85379 |
| Address | 14888 W SURREY DR |
| Organization | LARSON, KEVIN E |
| Phone | 623-696-9176 |
Population & Service
| Population Served | 9,300 |
| Service Connections | 2,040 |
Drinking Water Violations (117)
This water system has 117 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 2, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 2, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2025 | - | |
| Jul 1, 2022 | Jul 31, 2022 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2022 | - | |
| Mar 1, 2018 | May 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | May 31, 2018 | - | |
| Mar 1, 2018 | May 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | May 31, 2018 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2013 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | May 16, 2012 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| Jan 1, 2008 | Jan 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2008 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2007 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2007 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2007 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | 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 | Oct 31, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2005 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2005 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 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 | - | 1 mg/L | - | Resolved | Mar 31, 2004 | - | |
| Oct 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2005 | - | |
| Jul 1, 2003 | Sep 30, 2003 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2003 | - | |
| Jan 1, 2003 | Mar 31, 2003 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2003 | - | |
| Oct 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2002 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2005 | - | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2002 | - | |
| Jan 1, 2002 | Mar 31, 2002 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2002 | - | |
| Oct 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2001 | - | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2001 | - | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2001 | - | |
| Oct 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 2000 | Sep 30, 2000 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | May 13, 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.