KNOLLS WATER CO., INC.
PWS ID: NY3503563 · WEST NYACK, New York 10994
Population Served
230
Total Violations
131
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 79
- County
- Orange
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 109
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 23 | 2007 |
| Coliform (TCR) | MCL | 7 | 2010 |
| Revised Total Coliform Rule | MON | 6 | 2025 |
| 1,2,4-Trichlorobenzene | MR | 4 | 1998 |
| p-Dichlorobenzene | MR | 4 | 1998 |
| Vinyl chloride | MR | 4 | 1998 |
| trans-1,2-Dichloroethylene | MR | 4 | 1998 |
| 1,2-Dichloropropane | MR | 4 | 1998 |
| Trichloroethylene | MR | 4 | 1998 |
| 1,1,2-Trichloroethane | MR | 4 | 1998 |
| CHLOROBENZENE | MR | 4 | 1998 |
| Benzene | MR | 4 | 1998 |
| Ethylbenzene | MR | 4 | 1998 |
| Lead and Copper Rule | TT | 4 | 2001 |
| 1,1-Dichloroethylene | MR | 4 | 1998 |
| Toluene | MR | 4 | 1998 |
| 1,1,1-Trichloroethane | MR | 4 | 1998 |
| Carbon tetrachloride | MR | 4 | 1998 |
| 1,2-Dichloroethane | MR | 4 | 1998 |
| Tetrachloroethylene | MR | 4 | 1998 |
| cis-1,2-Dichloroethylene | MR | 4 | 1998 |
| DICHLOROMETHANE | MR | 4 | 1998 |
| Styrene | MR | 4 | 1998 |
| o-Dichlorobenzene | MR | 4 | 1998 |
| Consumer Confidence Rule | Other | 1 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.