MOUNT KISCO WATER DEPARTMENT
PWSID: NY5903437 · Mount Kisco, NY · Serves 11,187 people
MOUNT KISCO WATER DEPARTMENT has 8 health-based violations out of 8 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
MOUNT KISCO WATER DEPARTMENT (PWSID NY5903437) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 11,187 people in Mount Kisco, NY, and is subject to primacy enforcement by the New York drinking-water program.
The system's federal compliance record contains 8 total violations, with 8 classified as health-based (MCL exceedances or treatment-technique failures). 3 distinct contaminants have been cited, including Total Coliform (RTCR), Fluoride, Arsenic. Recorded violations span 1993–2024.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the New York state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- NY5903437
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Mount Kisco, NY
- Population Served
- 11,187
- Health Violations
- Yes (8)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Coliform (RTCR) | 4 | 4 |
| Fluoride | 3 | 3 |
| Arsenic | 1 | 1 |
Violation History (8)
| Contaminant | Health | Date |
|---|---|---|
| Fluoride | Yes | Nov 1, 2024 |
| Fluoride | Yes | Nov 1, 2024 |
| Fluoride | Yes | Nov 1, 2024 |
| Total Coliform (RTCR) | Yes | Mar 1, 2016 |
| Total Coliform (RTCR) | Yes | Mar 1, 2016 |
| Total Coliform (RTCR) | Yes | Dec 1, 2015 |
| Total Coliform (RTCR) | Yes | Dec 1, 2015 |
| Arsenic | Yes | Jul 1, 1993 |
Frequently Asked Questions
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.