Naco Estates
PWSID: AZ0402345
System Details
| Population Served | 75 |
| Service Connections | 30 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Public/Private |
| Status | Active |
| City | Sierra Vista |
| Zip Code | 85635 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0022 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0012 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0010 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
Violation History (29 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-12-20 | | Returned to Compliance |
| | 2024-12-05 | Major | Returned to Compliance |
| | 2024-10-17 | | Returned to Compliance |
| | 2024-10-17 | Yes | Returned to Compliance |
| | 2024-09-30 | Yes | Returned to Compliance |
| | 2024-09-30 | Yes | Returned to Compliance |
| | 2024-09-30 | Yes | Returned to Compliance |
| | 2024-07-11 | Major | Returned to Compliance |
| | 2024-07-11 | Major | Returned to Compliance |
| | 2022-10-02 | | Returned to Compliance |
| | 2022-10-02 | | Returned to Compliance |
| | 2022-09-11 | Yes | Returned to Compliance |
| | 2022-09-11 | Yes | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2020-11-01 | | Returned to Compliance |
| | 2020-10-01 | | Returned to Compliance |
| | 2020-10-01 | | Returned to Compliance |
| | 2017-11-03 | | Returned to Compliance |
| | 2015-10-01 | | Returned to Compliance |
| | 2015-07-01 | | Returned to Compliance |
| | 2014-07-01 | | Returned to Compliance |
| | 2013-07-01 | | Returned to Compliance |
| | 2013-07-01 | | Returned to Compliance |
| | 2012-10-01 | | Returned to Compliance |
| | 2012-07-01 | | Returned to Compliance |
| | 2011-10-01 | | Returned to Compliance |
| | 2011-07-01 | | Returned to Compliance |