Wheatfields NTUA
PWS ID: NN0400812 · Ft Defiance, Navajo Nation 86504
Population Served
321
Total Violations
115
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 94
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 72
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 10 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 6 | 2011 |
| TTHM | MR | 6 | 2011 |
| Coliform (TCR) | MR | 3 | 2012 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 3 | 2013 |
| Antimony, Total | MCL | 2 | 2010 |
| Nitrite | MR | 1 | 2010 |
| BHC-GAMMA | MR | 1 | 2008 |
| Simazine | MR | 1 | 2008 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2008 |
| Hexachlorocyclopentadiene | MR | 1 | 2008 |
| 2,3,7,8-TCDD | MR | 1 | 2008 |
| Heptachlor epoxide | MR | 1 | 2008 |
| HEXACHLOROBENZENE | MR | 1 | 2008 |
| cis-1,2-Dichloroethylene | MR | 1 | 2008 |
| Xylenes, Total | MR | 1 | 2008 |
| o-Dichlorobenzene | MR | 1 | 2008 |
| 1,1-Dichloroethylene | MR | 1 | 2008 |
| trans-1,2-Dichloroethylene | MR | 1 | 2008 |
| 1,2-Dichloroethane | MR | 1 | 2008 |
| Carbon tetrachloride | MR | 1 | 2008 |
| Trichloroethylene | MR | 1 | 2008 |
| 1,1,2-Trichloroethane | MR | 1 | 2008 |
| Tetrachloroethylene | MR | 1 | 2008 |
| CHLOROBENZENE | MR | 1 | 2008 |
| Ethylbenzene | MR | 1 | 2008 |
| Styrene | MR | 1 | 2008 |
| Public Notice | Other | 1 | 2017 |
| Chlordane | MR | 1 | 2008 |
| Toxaphene | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.