CONGRESS DWID
Arizona - Community Water System - PWSID: AZ0413021
System Information
| PWSID | AZ0413021 |
| System Name | CONGRESS DWID |
| 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 | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | CONGRESS |
| ZIP Code | 85332 |
| Address | 22595 W. HENDERSON ST. |
| Organization | NASH, KEITH |
| Phone | 928-427-3456 |
Population & Service
| Population Served | 1,870 |
| Service Connections | 750 |
Drinking Water Violations (88)
This water system has 88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2024 | Jan 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jan 31, 2024 | - | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jan 31, 2024 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| 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 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2021 | - | |
| Nov 3, 2017 | - | MR | No | No | - | TT | - | Resolved | Apr 10, 2017 | - | |
| Nov 3, 2017 | - | MR | No | No | - | TT | - | Resolved | Apr 10, 2017 | - | |
| Aug 1, 2017 | - | RPT | No | No | - | - | - | Resolved | Sep 26, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2012 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 8, 2008 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2006 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - |
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.