ERROL WATER WORKS/WEST
PWS ID: NH0781010 · ERROL, New Hampshire 03579
Population Served
183
Total Violations
973
Health-Based Violations
51
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 69
- County
- Coos
- School/Daycare
- No
- MCL Violations
- 49
- Monitoring Violations
- 894
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 49 | 2014 |
| 1,2,4-Trichlorobenzene | MR | 29 | 1996 |
| Xylenes, Total | MR | 29 | 1996 |
| 1,1-Dichloroethylene | MR | 29 | 1996 |
| trans-1,2-Dichloroethylene | MR | 29 | 1996 |
| 1,2-Dichloroethane | MR | 29 | 1996 |
| 1,2-Dichloropropane | MR | 29 | 1996 |
| 1,1,2-Trichloroethane | MR | 29 | 1996 |
| CHLOROBENZENE | MR | 29 | 1996 |
| Benzene | MR | 29 | 1996 |
| Toluene | MR | 29 | 1996 |
| Ethylbenzene | MR | 29 | 1996 |
| DICHLOROMETHANE | MR | 29 | 1996 |
| o-Dichlorobenzene | MR | 29 | 1996 |
| p-Dichlorobenzene | MR | 29 | 1996 |
| Vinyl chloride | MR | 29 | 1996 |
| 1,1,1-Trichloroethane | MR | 29 | 1996 |
| Carbon tetrachloride | MR | 29 | 1996 |
| Trichloroethylene | MR | 29 | 1996 |
| Tetrachloroethylene | MR | 29 | 1996 |
| Styrene | MR | 29 | 1996 |
| cis-1,2-Dichloroethylene | MR | 29 | 1996 |
| Consumer Confidence Rule | Other | 20 | 2024 |
| Nitrate | MR | 15 | 1996 |
| Coliform (TCR) | MR | 12 | 1992 |
| E. COLI | MR | 8 | 2017 |
| Nitrite | MR | 7 | 1996 |
| Lead and Copper Rule | MR | 7 | 1996 |
| BHC-GAMMA | MR | 7 | 1996 |
| Glyphosate | MR | 7 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.