Pinon Community Dormitory School BIA
PWS ID: NN0435010 · Pinon, Navajo Nation 86510
Population Served
500
Total Violations
37
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 40
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 21
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 10 | 2013 |
| Revised Total Coliform Rule | MON | 4 | 2025 |
| Revised Total Coliform Rule | RPT | 4 | 2025 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 3 | 2013 |
| Revised Total Coliform Rule | Other | 3 | 2016 |
| Lead and Copper Rule | MR | 2 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2010 |
| TTHM | MR | 1 | 2010 |
| Consumer Confidence Rule | Other | 1 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.