Lincoln Hall School
EPA ID: NY5903156 · 500 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Lincoln Hall School (NY5903156): 2 violations on record since 2021. Looking at the EPA enforcement file for Lincoln Hall School, 2 violations are listed in the dataset, and none is recorded as open for the 500 people in its service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Lincoln Hall School Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Lincoln Hall School have a median household income of $239,063 and about 11,010 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 79% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Lincoln Hall School's water is classified in EPA records as a groundwater source. 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 in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 2 detections recorded. 1 detection is above the level of a federal PFAS MCL (4 ppt for PFOA and PFOS), with compliance required from 2029.
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
Lincoln Hall School (EPA ID: NY5903156) is a community water system in New York that serves approximately 500 people from groundwater sources.
This system serves ZIP code 10536 in Katonah.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 1 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| November 1, 2025 | Revised Total Coliform Rule | Non-health-based | Archived |
| October 1, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Monitoring & Reporting | 1 | No |
| Revised Total Coliform Rule | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0106 mg/L | No | 2024-12-31 |
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 10536 - Katonah
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Lincoln Hall School (NY5903156) on EPA.gov.
Frequently Asked Questions
Is Lincoln Hall School water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Lincoln Hall School; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Lincoln Hall School serve?
Lincoln Hall School serves approximately 500 people across 1 ZIP code in New York.
Where does Lincoln Hall School get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lincoln Hall School (NY): 2 EPA Violations. https://zipcheckup.com/water-system/ny5903156/
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author = {{ZipCheckup}},
title = {{Lincoln Hall School (NY): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ny5903156/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Lincoln Hall School (EPA ID: NY5903156) - request the latest Consumer Confidence Report or ask about specific contaminants.