Kitt Peak National Observatory
PWS ID: 090402057 · Tucson, 09 85719
Population Served
247
Total Violations
97
Health-Based Violations
57
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Federal
- Connections
- 41
- School/Daycare
- No
- MCL Violations
- 57
- Monitoring Violations
- 21
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 47 | 2012 |
| Total Haloacetic Acids (HAA5) | MCL | 9 | 2009 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2011 |
| TTHM | MR | 7 | 2011 |
| Nitrate | MR | 4 | 2010 |
| LEAD AND COPPER RULE REVISIONS | RPT | 3 | 2024 |
| Revised Total Coliform Rule | RPT | 2 | 2024 |
| Lead and Copper Rule | MR | 2 | 2008 |
| Chlorite | MCL | 1 | 2017 |
| Coliform (TCR) | MR | 1 | 2009 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.