NACO ESTATES
Arizona - Community Water System - PWSID: AZ0402345
System Information
| PWSID | AZ0402345 |
| System Name | NACO ESTATES |
| 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 | SIERRA VISTA |
| ZIP Code | 85635 |
| Address | - |
| Organization | THOMPSON, THOMAS & FRANKIE |
| Phone | 520-432-3347 |
Population & Service
| Population Served | 75 |
| Service Connections | 30 |
Drinking Water Violations (54)
This water system has 54 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 | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Dec 20, 2024 | - | Other | No | No | - | - | - | Resolved | Jan 30, 2025 | - | |
| Dec 20, 2024 | - | Other | No | No | - | - | - | Resolved | Jan 30, 2025 | - | |
| Dec 5, 2024 | - | MR | No | Yes | - | - | - | Resolved | Dec 8, 2024 | - | |
| Dec 5, 2024 | - | MR | No | Yes | - | - | - | Resolved | Dec 8, 2024 | - | |
| Dec 5, 2024 | - | MR | No | Yes | - | - | - | Resolved | Dec 8, 2024 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Sep 30, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 28, 2024 | - | |
| Sep 30, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 28, 2024 | - | |
| Jul 11, 2024 | - | MR | No | Yes | - | - | - | Resolved | Aug 15, 2024 | - | |
| Jul 11, 2024 | - | MR | No | Yes | - | - | - | Resolved | Aug 15, 2024 | - | |
| Jul 11, 2024 | - | MR | No | Yes | - | - | - | Resolved | Aug 15, 2024 | - | |
| Jul 11, 2024 | - | MR | No | Yes | - | - | - | Resolved | Aug 15, 2024 | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2023 | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2023 | - | |
| Sep 11, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jan 18, 2023 | - | |
| Sep 11, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jan 18, 2023 | - | |
| Sep 11, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jan 18, 2023 | - | |
| Sep 11, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jan 18, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2023 | - | |
| Nov 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Dec 14, 2020 | - | |
| Nov 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Dec 14, 2020 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 26, 2020 | - | |
| Nov 3, 2017 | - | MR | No | No | - | TT | - | Resolved | Apr 20, 2018 | - | |
| Nov 3, 2017 | - | MR | No | No | - | TT | - | Resolved | Apr 20, 2018 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Dec 2, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Oct 7, 2015 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 5, 2014 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 5, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Jul 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Sep 5, 2014 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Sep 5, 2014 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2013 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2013 | - | |
| Feb 1, 2011 | Feb 28, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2011 | - | |
| Feb 1, 2011 | Feb 28, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2011 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1991 | - |
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.