Upper Moenkopi
PWS ID: 090400104 · Tuba City, 09 86045
Population Served
1,740
Total Violations
364
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 226
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 301
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 44 | 2015 |
| Toluene | MR | 9 | 2016 |
| Nitrate | MR | 7 | 2014 |
| Gross Beta Particle Activity | MR | 7 | 2015 |
| Coliform (TCR) | MCL | 7 | 2008 |
| 1,2,4-Trichlorobenzene | MR | 6 | 2014 |
| cis-1,2-Dichloroethylene | MR | 6 | 2014 |
| Xylenes, Total | MR | 6 | 2014 |
| DICHLOROMETHANE | MR | 6 | 2014 |
| o-Dichlorobenzene | MR | 6 | 2014 |
| p-Dichlorobenzene | MR | 6 | 2014 |
| Vinyl chloride | MR | 6 | 2014 |
| 1,1-Dichloroethylene | MR | 6 | 2014 |
| trans-1,2-Dichloroethylene | MR | 6 | 2014 |
| 1,2-Dichloroethane | MR | 6 | 2014 |
| 1,1,1-Trichloroethane | MR | 6 | 2014 |
| Carbon tetrachloride | MR | 6 | 2014 |
| 1,2-Dichloropropane | MR | 6 | 2014 |
| Trichloroethylene | MR | 6 | 2014 |
| 1,1,2-Trichloroethane | MR | 6 | 2014 |
| CHLOROBENZENE | MR | 6 | 2014 |
| Tetrachloroethylene | MR | 6 | 2014 |
| Benzene | MR | 6 | 2014 |
| Ethylbenzene | MR | 6 | 2014 |
| Styrene | MR | 6 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2023 |
| TTHM | MR | 5 | 2023 |
| Barium | MR | 3 | 2012 |
| Cadmium | MR | 3 | 2012 |
| Chromium | MR | 3 | 2012 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.