PINNACLE WATER ASSOCIATION
PWS ID: WV3302828 · ROCK, West Virginia 24747
Population Served
85
Total Violations
11,356
Health-Based Violations
108
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 35
- County
- Mercer
- School/Daycare
- No
- MCL Violations
- 14
- Monitoring Violations
- 10,237
- Treatment Tech Violations
- 94
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 909 | 2023 |
| Coliform (TCR) | MR | 506 | 2016 |
| Groundwater Rule | MR | 399 | 2022 |
| Revised Total Coliform Rule | MON | 257 | 2025 |
| Gross Alpha, Excl. Radon and U | MR | 211 | 2022 |
| Xylenes, Total | MR | 203 | 2023 |
| DICHLOROMETHANE | MR | 203 | 2023 |
| Vinyl chloride | MR | 203 | 2023 |
| 1,2-Dichloroethane | MR | 203 | 2023 |
| Trichloroethylene | MR | 203 | 2023 |
| 1,1,2-Trichloroethane | MR | 203 | 2023 |
| 1,2,4-Trichlorobenzene | MR | 203 | 2023 |
| 1,1-Dichloroethylene | MR | 203 | 2023 |
| trans-1,2-Dichloroethylene | MR | 203 | 2023 |
| Benzene | MR | 203 | 2023 |
| cis-1,2-Dichloroethylene | MR | 203 | 2023 |
| 1,1,1-Trichloroethane | MR | 203 | 2023 |
| Ethylbenzene | MR | 203 | 2023 |
| Styrene | MR | 203 | 2023 |
| Carbon tetrachloride | MR | 203 | 2023 |
| o-Dichlorobenzene | MR | 202 | 2023 |
| Tetrachloroethylene | MR | 202 | 2023 |
| CHLOROBENZENE | MR | 199 | 2023 |
| Toluene | MR | 199 | 2023 |
| p-Dichlorobenzene | MR | 196 | 2023 |
| 1,2-Dichloropropane | MR | 196 | 2023 |
| Radium-228 | MR | 191 | 2022 |
| BHC-GAMMA | MR | 188 | 2022 |
| Di(2-ethylhexyl) adipate | MR | 188 | 2022 |
| Simazine | MR | 188 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.