ATOKA CO. RWS & SWMD #4
PWS ID: OK1010412 · ATOKA, Oklahoma 74525
Population Served
3,000
Total Violations
886
Health-Based Violations
710
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 3,197
- County
- Atoka
- School/Daycare
- No
- MCL Violations
- 421
- Monitoring Violations
- 169
- Treatment Tech Violations
- 289
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| CARBON, TOTAL | TT | 278 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 218 | 2025 |
| TTHM | MCL | 203 | 2025 |
| CARBON, TOTAL | MR | 42 | 2012 |
| Total Haloacetic Acids (HAA5) | MR | 24 | 2024 |
| TTHM | MR | 18 | 2024 |
| Chlorine dioxide | MR | 14 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | MR | 14 | 2025 |
| Coliform (TCR) | MR | 11 | 2012 |
| Interim Enhanced Surface Water Treatment Rule | TT | 8 | 2006 |
| Chlorine | MR | 8 | 2021 |
| Revised Total Coliform Rule | MON | 8 | 2021 |
| Chlorite | MR | 4 | 2018 |
| Lead and Copper Rule | MR | 3 | 2009 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| Surface Water Treatment Rule | MR | 2 | 2002 |
| Surface Water Treatment Rule | TT | 1 | 1994 |
| cis-1,2-Dichloroethylene | MR | 1 | 2010 |
| Xylenes, Total | MR | 1 | 2010 |
| DICHLOROMETHANE | MR | 1 | 2010 |
| o-Dichlorobenzene | MR | 1 | 2010 |
| p-Dichlorobenzene | MR | 1 | 2010 |
| 1,1-Dichloroethylene | MR | 1 | 2010 |
| trans-1,2-Dichloroethylene | MR | 1 | 2010 |
| 1,2-Dichloroethane | MR | 1 | 2010 |
| 1,1,1-Trichloroethane | MR | 1 | 2010 |
| CHLOROBENZENE | MR | 1 | 2010 |
| Ethylbenzene | MR | 1 | 2010 |
| Benzene | MR | 1 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.