JOHNSTON CO RWS& SWMD #4
PWS ID: OK2003503 · COLEMAN, Oklahoma 73432-0068
Population Served
600
Total Violations
334
Health-Based Violations
13
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 277
- County
- Johnston
- School/Daycare
- No
- MCL Violations
- 13
- Monitoring Violations
- 309
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 26 | 2013 |
| E. COLI | MR | 16 | 2023 |
| Coliform (TCR) | MCL | 13 | 2015 |
| cis-1,2-Dichloroethylene | MR | 8 | 2017 |
| o-Dichlorobenzene | MR | 8 | 2017 |
| p-Dichlorobenzene | MR | 8 | 2017 |
| 1,1-Dichloroethylene | MR | 8 | 2017 |
| Carbon tetrachloride | MR | 8 | 2017 |
| Trichloroethylene | MR | 8 | 2017 |
| 1,1,2-Trichloroethane | MR | 8 | 2017 |
| Tetrachloroethylene | MR | 8 | 2017 |
| Benzene | MR | 8 | 2017 |
| Ethylbenzene | MR | 8 | 2017 |
| Barium | MR | 8 | 2014 |
| Fluoride | MR | 8 | 2014 |
| Mercury | MR | 8 | 2014 |
| Antimony, Total | MR | 8 | 2014 |
| Beryllium, Total | MR | 8 | 2014 |
| Selenium | MR | 8 | 2014 |
| Cadmium | MR | 8 | 2014 |
| Chromium | MR | 8 | 2014 |
| Nickel | MR | 8 | 2014 |
| Thallium, Total | MR | 8 | 2014 |
| 1,2,4-Trichlorobenzene | MR | 8 | 2017 |
| Xylenes, Total | MR | 8 | 2017 |
| Vinyl chloride | MR | 8 | 2017 |
| trans-1,2-Dichloroethylene | MR | 8 | 2017 |
| 1,2-Dichloropropane | MR | 8 | 2017 |
| Styrene | MR | 8 | 2017 |
| 1,1,1-Trichloroethane | MR | 8 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.