EPCOR- RIO VERDE
Arizona — Community Water System — PWSID: AZ0407121
System Information
| PWSID | AZ0407121 |
| System Name | EPCOR- RIO VERDE |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | EL MIRAGE |
| ZIP Code | 85335 |
| Address | — |
| Organization | DIDOMIZIO, TOM |
| Phone | 623-445-2431 |
Population & Service
| Population Served | 5,330 |
| Service Connections | 3,046 |
Drinking Water Violations (141)
This water system has 141 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 | — | |
| Jan 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Dec 19, 2023 | — | |
| Jan 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Dec 19, 2023 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MON | No | No | — | — | — | Resolved | Jul 31, 2022 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MON | No | No | — | — | — | Resolved | Jul 31, 2022 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MON | No | No | — | — | — | Resolved | Jul 31, 2022 | — | |
| 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 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | — | RPT | No | No | — | — | — | Resolved | Feb 14, 2018 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | — | RPT | No | No | — | — | — | Resolved | Nov 20, 2017 | — | |
| Aug 1, 2017 | Jul 31, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2018 | — | |
| Aug 1, 2017 | Jul 31, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2018 | — | |
| Aug 1, 2017 | Jul 31, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2018 | — | |
| Aug 1, 2017 | Jul 31, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2018 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 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 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Oct 1, 2016 | — | Other | No | No | — | — | — | Resolved | Mar 6, 2017 | — | |
| Aug 1, 2016 | Jul 31, 2017 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2017 | — | |
| Aug 1, 2016 | Jul 31, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2017 | — | |
| Jul 1, 2016 | — | Other | No | No | — | — | — | Resolved | Mar 6, 2017 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2016 | — | |
| Oct 1, 2015 | — | Other | No | No | — | — | — | Resolved | Dec 4, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | — | Other | No | No | — | — | — | Resolved | Dec 4, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2015 | — | |
| 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 | — | |
| 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 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Sep 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2014 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2013 | — | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2013 | — |
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.