BIGHORN NF-TYRRELL WORK CENTER
PWS ID: WY5601009 · SHERIDAN, Wyoming 82801
Population Served
30
Total Violations
10
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 12
- County
- Big Horn
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 6
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 4 | 2011 |
| Revised Total Coliform Rule | MON | 2 | 2023 |
| Coliform (TCR) | MR | 2 | 1995 |
| E. COLI | MR | 1 | 2014 |
| Nitrate-Nitrite | MR | 1 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.