Crystal Community Boarding School BIA
PWS ID: NN3536005 · Navajo, Navajo Nation 87328
Population Served
248
Total Violations
73
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 13
- School/Daycare
- Yes
- MCL Violations
- 3
- Monitoring Violations
- 35
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 7 | 2012 |
| Consumer Confidence Rule | Other | 6 | 2024 |
| Revised Total Coliform Rule | MON | 5 | 2025 |
| Fluoride | MR | 4 | 2008 |
| Nitrate | MR | 4 | 2024 |
| Nitrite | MR | 4 | 2024 |
| 2,3,7,8-TCDD | MR | 4 | 2008 |
| Public Notice | Other | 4 | 2025 |
| Coliform (TCR) | MCL | 3 | 2015 |
| Revised Total Coliform Rule | RPT | 3 | 2023 |
| Revised Total Coliform Rule | Other | 3 | 2016 |
| DICHLOROMETHANE | MR | 3 | 2008 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 3 | 2013 |
| Lead and Copper Rule | MR | 1 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.