NORTH CASTLE WATER DISTRICT #1
New York — Community Water System — PWSID: NY5903445
System Information
| PWSID | NY5903445 |
| System Name | NORTH CASTLE WATER DISTRICT #1 |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 02 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 29, 1981 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | New York |
| City | ARMONK |
| ZIP Code | 10504 |
| Address | Town Hall |
| Organization | RENDE, JOSEPH |
| Phone | 914-273-3000 |
Population & Service
| Population Served | 2,500 |
| Service Connections | 696 |
Drinking Water Violations (4)
This water system has 4 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2020 | Jan 31, 2020 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jan 31, 2020 | Revised Total Coliform Rule |
| Jan 1, 2020 | Jan 31, 2020 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jan 31, 2020 | Revised Total Coliform Rule |
| Jan 1, 2020 | Jan 31, 2020 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jan 31, 2020 | Revised Total Coliform Rule |
| Jan 1, 2016 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 31, 2017 | Lead and Copper Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.