Peabody Western Coal Company - Black Mesa Mines
PWS ID: NN0400287 · Kayenta, Navajo Nation 86033-0650
Population Served
420
Total Violations
106
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 37
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 90
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 8 | 2011 |
| E. COLI | MR | 5 | 2011 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2008 |
| TTHM | MR | 4 | 2008 |
| Nitrate | MR | 3 | 2012 |
| Nitrite | MR | 3 | 2012 |
| Thallium, Total | MR | 2 | 2011 |
| Di(2-ethylhexyl) phthalate | MCL | 1 | 2005 |
| Arsenic | MR | 1 | 2008 |
| Cadmium | MR | 1 | 2008 |
| Fluoride | MR | 1 | 2008 |
| Beryllium, Total | MR | 1 | 2008 |
| Endrin | MR | 1 | 2008 |
| BHC-GAMMA | MR | 1 | 2008 |
| Methoxychlor | MR | 1 | 2008 |
| Dalapon | MR | 1 | 2008 |
| Endothall | MR | 1 | 2008 |
| Glyphosate | MR | 1 | 2008 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2008 |
| OXAMYL | MR | 1 | 2008 |
| Simazine | MR | 1 | 2008 |
| Hexachlorocyclopentadiene | MR | 1 | 2008 |
| Atrazine | MR | 1 | 2008 |
| LASSO | MR | 1 | 2008 |
| 2,3,7,8-TCDD | MR | 1 | 2008 |
| Heptachlor | MR | 1 | 2008 |
| Heptachlor epoxide | MR | 1 | 2008 |
| Pentachlorophenol | MR | 1 | 2008 |
| cis-1,2-Dichloroethylene | MR | 1 | 2008 |
| Total Polychlorinated Biphenyls (PCB) | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.