YELLOWTAIL DAM POWERPLANT AND VISITOR CE
PWS ID: MT0000103 · YELLOWTAIL, Montana 59035
Population Served
48
Total Violations
73
Health-Based Violations
22
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 3
- County
- Big Horn
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 48
- Treatment Tech Violations
- 22
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | MR | 17 | 2022 |
| Nitrate-Nitrite | MR | 14 | 2017 |
| Interim Enhanced Surface Water Treatment Rule | TT | 12 | 2019 |
| Surface Water Treatment Rule | TT | 10 | 2010 |
| Surface Water Treatment Rule | MR | 10 | 2006 |
| Coliform (TCR) | MR | 7 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.