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 | Nov 17, 2025 |
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 (6)
This water system has 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 20, 2024 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 30, 2025 | Public Notice Rule and Revised PN Rule |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Mar 28, 2025 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Mar 28, 2025 | Lead and Copper Rule Revisions |
| Sep 11, 2022 | — | Revised Total Coliform Rule | TT | Yes | No | — | — | — | Resolved | Jan 18, 2023 | Revised Total Coliform Rule |
| Jun 1, 1980 | Aug 31, 1980 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Aug 31, 1980 | Radionuclides and Revised Rad Rule |
| — | — | — | No | No | — | — | — | — | — | — |
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.