YNP- MADISON JUNCTION WATER SYSTEM
PWS ID: WY5680082 · YELLOWSTONE, Wyoming 82190
Population Served
1,205
Total Violations
10
Health-Based Violations
4
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 122
- County
- Teton
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 6
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 3 | 2024 |
| Revised Total Coliform Rule | MON | 2 | 2024 |
| Coliform (TCR) | MCL | 2 | 2010 |
| Surface Water Treatment Rule | TT | 1 | 2022 |
| Coliform (TCR) | MR | 1 | 1993 |
| Revised Total Coliform Rule | TT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.