GRAYHORSE RWD
PWS ID: OK3005717 · FAIRFAX, Oklahoma 74637
Population Served
100
Total Violations
414
Health-Based Violations
278
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 108
- County
- Osage
- School/Daycare
- No
- MCL Violations
- 278
- Monitoring Violations
- 91
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 159 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 118 | 2025 |
| TTHM | MR | 34 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 25 | 2025 |
| Lead and Copper Rule | MR | 20 | 2021 |
| Coliform (TCR) | MR | 12 | 2009 |
| Consumer Confidence Rule | Other | 12 | 2024 |
| Coliform (TCR) | MCL | 1 | 1991 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.