SMITHSONIAN INST II
PWS ID: AZ0412331 · AMADO, Arizona 85645
Population Served
35
Total Violations
47
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 2
- County
- Santa Cruz
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 34
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 23 | 2015 |
| Nitrate | MR | 10 | 2016 |
| Coliform (TCR) | MCL | 5 | 2015 |
| Revised Total Coliform Rule | RPT | 2 | 2018 |
| Groundwater Rule | TT | 2 | 2025 |
| Public Notice | Other | 2 | 2025 |
| Revised Total Coliform Rule | TT | 2 | 2021 |
| E. COLI | MR | 1 | 2015 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.