PATAGONIA WATER DEPARTMENT
Arizona - Community Water System - PWSID: AZ0412006
System Information
| PWSID | AZ0412006 |
| System Name | PATAGONIA WATER DEPARTMENT |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | PATAGONIA |
| ZIP Code | 85624 |
| Address | GEORGE P DEITHORN |
| Organization | DEITHORN, GEORGE P |
| Phone | 520-604-0510 |
Population & Service
| Population Served | 819 |
| Service Connections | 456 |
Drinking Water Violations (146)
This water system has 146 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, 2025 | Apr 30, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Apr 30, 2025 | - | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jul 31, 2024 | - | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jul 31, 2024 | - | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jul 31, 2024 | - | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jul 31, 2024 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2021 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2021 | - | |
| Oct 2, 2020 | - | Other | No | No | - | - | - | Resolved | Nov 2, 2020 | - | |
| Oct 2, 2020 | - | Other | No | No | - | - | - | Resolved | Nov 2, 2020 | - | |
| Feb 17, 2020 | - | Other | No | No | - | - | - | Resolved | Apr 16, 2020 | - | |
| Feb 17, 2020 | - | Other | No | No | - | - | - | Resolved | Apr 16, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Apr 15, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Apr 15, 2020 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jul 18, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jul 18, 2017 | - | |
| Oct 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jul 16, 2016 | - | |
| Oct 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jul 16, 2016 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Feb 15, 2017 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 4, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 4, 2015 | - | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2014 | - | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2014 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Mar 19, 2014 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Aug 16, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2012 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Jul 15, 2011 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Aug 4, 2010 | - | |
| May 1, 2010 | May 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2010 | - | |
| May 1, 2010 | May 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2010 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Oct 26, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Oct 26, 2009 | - | |
| Feb 1, 2008 | Feb 29, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2008 | - | |
| Jan 1, 2008 | Jan 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2008 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Dec 3, 2008 | - |
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.