Monument Valley Navajo Tribal Park
PWS ID: NN4903063 · Monument Valley, Navajo Nation 84536-0289
Population Served
275
Total Violations
117
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Native American
- Connections
- 5
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 91
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 31 | 2015 |
| Nitrate | MR | 20 | 2018 |
| Nitrite | MR | 14 | 2018 |
| Revised Total Coliform Rule | MON | 11 | 2022 |
| E. COLI | MR | 4 | 2012 |
| Revised Total Coliform Rule | Other | 3 | 2016 |
| Arsenic | MR | 1 | 2008 |
| Chromium | MR | 1 | 2008 |
| Beryllium, Total | MR | 1 | 2008 |
| Public Notice | Other | 1 | 2022 |
| Thallium, Total | MR | 1 | 2008 |
| Fluoride | MR | 1 | 2008 |
| CYANIDE | MR | 1 | 2008 |
| Mercury | MR | 1 | 2008 |
| Antimony, Total | MR | 1 | 2008 |
| Selenium | MR | 1 | 2008 |
| Barium | MR | 1 | 2008 |
| Cadmium | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.