ARROWHEAD WYOMING LLC
PWS ID: WY5600480 · DAYTON, Wyoming 82836
Population Served
100
Total Violations
60
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 3
- County
- Sheridan
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 46
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 29 | 2015 |
| Groundwater Rule | TT | 5 | 2018 |
| E. COLI | MR | 5 | 2017 |
| Nitrate-Nitrite | MR | 4 | 2024 |
| Groundwater Rule | Other | 4 | 2011 |
| Revised Total Coliform Rule | MON | 4 | 2025 |
| Nitrate | MR | 4 | 2003 |
| Coliform (TCR) | MCL | 3 | 2003 |
| Revised Total Coliform Rule | TT | 2 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.