Lower Moencopi - Spring Source
PWS ID: 090400393 · Tuba City, 09 86045
Population Served
465
Total Violations
367
Health-Based Violations
59
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 8
- School/Daycare
- No
- MCL Violations
- 46
- Monitoring Violations
- 236
- Treatment Tech Violations
- 13
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 66 | 2016 |
| Coliform (TCR) | MCL | 46 | 2003 |
| Groundwater Rule | TT | 13 | 2023 |
| Nitrate | MR | 7 | 2024 |
| Public Notice | Other | 5 | 2023 |
| Arsenic | MR | 3 | 2001 |
| Barium | MR | 3 | 2001 |
| Cadmium | MR | 3 | 2001 |
| Fluoride | MR | 3 | 2001 |
| Mercury | MR | 3 | 2001 |
| Chromium | MR | 3 | 2001 |
| Selenium | MR | 3 | 2001 |
| BHC-GAMMA | MR | 3 | 2001 |
| Methoxychlor | MR | 3 | 2001 |
| Toxaphene | MR | 3 | 2001 |
| Carbofuran | MR | 3 | 2001 |
| LASSO | MR | 3 | 2001 |
| Heptachlor | MR | 3 | 2001 |
| 2,4-D | MR | 3 | 2001 |
| 2,4,5-TP | MR | 3 | 2001 |
| Pentachlorophenol | MR | 3 | 2001 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2001 |
| cis-1,2-Dichloroethylene | MR | 3 | 2001 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 2001 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 3 | 2001 |
| ETHYLENE DIBROMIDE | MR | 3 | 2001 |
| Xylenes, Total | MR | 3 | 2001 |
| Chlordane | MR | 3 | 2001 |
| DICHLOROMETHANE | MR | 3 | 2001 |
| o-Dichlorobenzene | MR | 3 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.