OLD FARM HILL WATER DISTRICT
PWS ID: NY5903485 · VALHALLA, New York 10595
Population Served
1,768
Total Violations
24
Health-Based Violations
14
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 505
- County
- Westchester
- School/Daycare
- No
- MCL Violations
- 14
- Monitoring Violations
- 5
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 14 | 2022 |
| Surface Water Treatment Rule | MR | 4 | 2016 |
| Revised Total Coliform Rule | MON | 1 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.