Eastern Navajo Agency - BIE
PWS ID: 093534001 · Washington, 09 20240
Population Served
455
Total Violations
112
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 30
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 93
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Gross Beta Particle Activity | MR | 13 | 2017 |
| Consumer Confidence Rule | Other | 6 | 2023 |
| Combined Uranium | MR | 6 | 2025 |
| Coliform (TCR) | MR | 3 | 2002 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 2025 |
| Nitrate | MR | 2 | 2004 |
| Endothall | MR | 2 | 2004 |
| Picloram | MR | 2 | 2004 |
| Dinoseb | MR | 2 | 2004 |
| Carbofuran | MR | 2 | 2004 |
| Pentachlorophenol | MR | 2 | 2004 |
| Total Polychlorinated Biphenyls (PCB) | MR | 2 | 2004 |
| Lead and Copper Rule | MR | 2 | 2022 |
| Dalapon | MR | 2 | 2004 |
| Glyphosate | MR | 2 | 2004 |
| OXAMYL | MR | 2 | 2004 |
| 2,4-D | MR | 2 | 2004 |
| Diquat | MR | 2 | 2004 |
| 2,4,5-TP | MR | 2 | 2004 |
| CYANIDE | MR | 1 | 2001 |
| Endrin | MR | 1 | 2004 |
| BHC-GAMMA | MR | 1 | 2004 |
| Methoxychlor | MR | 1 | 2004 |
| Toxaphene | MR | 1 | 2004 |
| Simazine | MR | 1 | 2004 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2004 |
| Hexachlorocyclopentadiene | MR | 1 | 2004 |
| Atrazine | MR | 1 | 2004 |
| 2,3,7,8-TCDD | MR | 1 | 2001 |
| Heptachlor | MR | 1 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.