Lake Katonah Club Inc.
EPA ID: NY5903476 · 356 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Lake Katonah Club Inc. (NY5903476): no EPA violations recorded in the last five years. Unlike many utilities its size, Lake Katonah Club Inc. carries a violation-free five-year record - no EPA notices, no MCL exceedances, serving 356 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Lake Katonah Club Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Lake Katonah Club Inc. serves a community with a median household income of $244,532 and an estimated 13,050 residents across its service area. Approximately 77% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Lake Katonah Club Inc.'s water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 2 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS).
Comparable Water Systems
Similar-sized systems in New York
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Lake Katonah Club Inc. (EPA ID: NY5903476) is a community water system in New York that serves approximately 356 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.002 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by NY or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lake Katonah Club Inc. (NY5903476) on EPA.gov.
Frequently Asked Questions
Is Lake Katonah Club Inc. water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Lake Katonah Club Inc. in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Lake Katonah Club Inc. serve?
Lake Katonah Club Inc. serves approximately 356 people across 2 ZIP codes in New York.
Where does Lake Katonah Club Inc. get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lake Katonah Club Inc. Water Quality Report, NY. https://zipcheckup.com/water-system/ny5903476/
@misc{zipcheckup-water-system-ny5903476,
author = {{ZipCheckup}},
title = {{Lake Katonah Club Inc. Water Quality Report, NY}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ny5903476/}
}