NORTH CASTLE POOL &TENNIS CLUB
PWS ID: NY5905627 · ARMONK, New York 10504
Population Served
400
Total Violations
23
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Westchester
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 2012 |
| Coliform (TCR) | MCL | 4 | 2008 |
| Revised Total Coliform Rule | MON | 4 | 2019 |
| Nitrate | MR | 2 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.