GRANDFIELD
PWS ID: OK2007103 · GRANDFIELD, Oklahoma 73546
Population Served
1,110
Total Violations
1,231
Health-Based Violations
895
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 595
- County
- Tillman
- School/Daycare
- No
- MCL Violations
- 895
- Monitoring Violations
- 328
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 429 | 2024 |
| Nitrate-Nitrite | MCL | 414 | 2025 |
| Coliform (TCR) | MR | 81 | 2009 |
| Nitrate | MCL | 51 | 1997 |
| TTHM | MR | 26 | 2023 |
| Nitrate-Nitrite | MR | 22 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 16 | 2010 |
| p-Dichlorobenzene | MR | 8 | 2007 |
| 1,1,2-Trichloroethane | MR | 8 | 2007 |
| Tetrachloroethylene | MR | 8 | 2007 |
| CHLOROBENZENE | MR | 8 | 2007 |
| Benzene | MR | 8 | 2007 |
| Ethylbenzene | MR | 8 | 2007 |
| 1,2,4-Trichlorobenzene | MR | 8 | 2007 |
| 1,2-Dichloropropane | MR | 8 | 2007 |
| Styrene | MR | 8 | 2007 |
| DICHLOROMETHANE | MR | 8 | 2007 |
| o-Dichlorobenzene | MR | 8 | 2007 |
| Toluene | MR | 8 | 2007 |
| trans-1,2-Dichloroethylene | MR | 8 | 2007 |
| cis-1,2-Dichloroethylene | MR | 8 | 2007 |
| Vinyl chloride | MR | 8 | 2007 |
| 1,2-Dichloroethane | MR | 8 | 2007 |
| 1,1,1-Trichloroethane | MR | 8 | 2007 |
| Carbon tetrachloride | MR | 8 | 2007 |
| Trichloroethylene | MR | 8 | 2007 |
| Xylenes, Total | MR | 8 | 2007 |
| 1,1-Dichloroethylene | MR | 8 | 2007 |
| Lead and Copper Rule | MR | 4 | 2009 |
| Toxaphene | MR | 4 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.