Tuba City Boarding School BIA
PWS ID: NN0433001 · Tuba City, Navajo Nation 86045
Population Served
2,040
Total Violations
35
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 143
- School/Daycare
- Yes
- MCL Violations
- 1
- Monitoring Violations
- 20
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 5 | 2004 |
| Consumer Confidence Rule | Other | 4 | 2006 |
| Revised Total Coliform Rule | RPT | 3 | 2024 |
| Revised Total Coliform Rule | MON | 2 | 2023 |
| Fluoride | MR | 2 | 2008 |
| Dalapon | MR | 1 | 2001 |
| Glyphosate | MR | 1 | 2001 |
| Picloram | MR | 1 | 2001 |
| 2,4-D | MR | 1 | 2001 |
| 2,4,5-TP | MR | 1 | 2001 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 2001 |
| Coliform (TCR) | MCL | 1 | 2004 |
| Carbofuran | MR | 1 | 2001 |
| 2,3,7,8-TCDD | MR | 1 | 2001 |
| OXAMYL | MR | 1 | 2001 |
| CYANIDE | MR | 1 | 2001 |
| ETHYLENE DIBROMIDE | MR | 1 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.