MAYES CO RWD # 9
PWS ID: OK1021678 · LOCUST GROVE, Oklahoma 74352
Population Served
2,578
Total Violations
375
Health-Based Violations
92
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 930
- County
- Mayes
- School/Daycare
- No
- MCL Violations
- 72
- Monitoring Violations
- 272
- Treatment Tech Violations
- 20
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | MR | 48 | 2023 |
| Total Haloacetic Acids (HAA5) | MCL | 38 | 2009 |
| TTHM | MCL | 34 | 2009 |
| Coliform (TCR) | MR | 26 | 2010 |
| CARBON, TOTAL | TT | 16 | 2005 |
| Lead and Copper Rule | MR | 13 | 2025 |
| CARBON, TOTAL | MR | 12 | 2004 |
| Nitrate-Nitrite | MR | 12 | 2016 |
| Revised Total Coliform Rule | MON | 11 | 2024 |
| Chlorine | MR | 11 | 2024 |
| Consumer Confidence Rule | Other | 9 | 2025 |
| 1,2,4-Trichlorobenzene | MR | 6 | 2014 |
| cis-1,2-Dichloroethylene | MR | 6 | 2014 |
| Xylenes, Total | MR | 6 | 2014 |
| o-Dichlorobenzene | MR | 6 | 2014 |
| p-Dichlorobenzene | MR | 6 | 2014 |
| Vinyl chloride | MR | 6 | 2014 |
| 1,1-Dichloroethylene | MR | 6 | 2014 |
| Carbon tetrachloride | MR | 6 | 2014 |
| Trichloroethylene | MR | 6 | 2014 |
| 1,1,2-Trichloroethane | MR | 6 | 2014 |
| 1,1,1-Trichloroethane | MR | 6 | 2014 |
| 1,2-Dichloropropane | MR | 6 | 2014 |
| CHLOROBENZENE | MR | 6 | 2014 |
| Benzene | MR | 6 | 2014 |
| Ethylbenzene | MR | 6 | 2014 |
| trans-1,2-Dichloroethylene | MR | 6 | 2014 |
| DICHLOROMETHANE | MR | 6 | 2014 |
| Styrene | MR | 6 | 2014 |
| Tetrachloroethylene | MR | 6 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.