EPCOR - SAN TAN ANTHEM
Arizona - Community Water System - PWSID: AZ0411136
System Information
| PWSID | AZ0411136 |
| System Name | EPCOR - SAN TAN ANTHEM |
| 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 | Aug 15, 2007 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | SAN TAN VALLEY |
| ZIP Code | 85143 |
| Address | - |
| Organization | HOSKIN, JULIE |
| Phone | 602-722-4100 |
Population & Service
| Population Served | 10,362 |
| Service Connections | 4,318 |
Drinking Water Violations (55)
This water system has 55 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, 2024 | Oct 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 31, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Apr 30, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Apr 30, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 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 | - | |
| Mar 2, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 20, 2022 | - | |
| Mar 2, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 20, 2022 | - | |
| Jan 1, 2021 | Jan 31, 2021 | MON | No | No | - | - | - | Resolved | Jan 31, 2021 | - | |
| Jan 1, 2021 | Jan 31, 2021 | MON | No | No | - | - | - | Resolved | Jan 31, 2021 | - | |
| Jan 1, 2021 | Jan 31, 2021 | MON | No | No | - | - | - | Resolved | Jan 31, 2021 | - | |
| May 1, 2019 | Apr 30, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Apr 30, 2020 | - | |
| May 1, 2019 | Apr 30, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Apr 30, 2020 | - | |
| May 1, 2019 | Apr 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Apr 30, 2020 | - | |
| May 1, 2019 | Apr 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Apr 30, 2020 | - | |
| May 1, 2019 | Apr 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Apr 30, 2020 | - | |
| May 1, 2019 | Apr 30, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Apr 30, 2020 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| May 1, 2018 | Apr 30, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Apr 30, 2019 | - | |
| May 1, 2018 | Apr 30, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Apr 30, 2019 | - | |
| May 1, 2018 | Apr 30, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Apr 30, 2019 | - | |
| May 1, 2018 | Apr 30, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Apr 30, 2019 | - | |
| Nov 3, 2017 | - | MR | No | No | - | TT | - | Resolved | Oct 1, 2018 | - | |
| Nov 3, 2017 | - | MR | No | No | - | TT | - | Resolved | Oct 1, 2018 | - | |
| Nov 3, 2017 | - | MR | No | No | - | TT | - | Resolved | Oct 1, 2018 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2016 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Dec 4, 2014 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Dec 4, 2014 | - | |
| 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 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jul 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Jul 22, 2009 | - | |
| Jul 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Jul 22, 2009 | - | |
| Jul 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Jul 22, 2009 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 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.