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LINCOLN HALL SCHOOL

PWS ID: NY5903156 · LINCOLNDALE, New York 10540

LINCOLN HALL SCHOOL serves 500 people in LINCOLNDALE, New York using Groundwater water sources. It has 750 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LINCOLN HALL SCHOOL

LINCOLN HALL SCHOOL is a private-owned community water system that delivers drinking water to 500 residents in LINCOLNDALE, New York (Westchester County) through 20 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 750 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 750 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Simazine, recorded in 26 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New York, EPA tracks 8,098 public water systems serving 19,294,951 people, with 552,003 cumulative violations and 26,817 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 68.2 violations. LINCOLN HALL SCHOOL's 750 violations sit above the New York average. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
500
Total Violations
750
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
20
County
Westchester
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
750
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Simazine MR 26 2019
Di(2-ethylhexyl) phthalate MR 26 2019
Dinoseb MR 26 2019
Hexachlorocyclopentadiene MR 26 2019
Aldicarb sulfoxide MR 26 2019
Aldicarb sulfone MR 26 2019
LASSO MR 26 2019
Heptachlor MR 26 2019
2,4-D MR 26 2019
2,4,5-TP MR 26 2019
ETHYLENE DIBROMIDE MR 26 2019
HEXACHLOROBENZENE MR 26 2019
Benzo(a)pyrene MR 26 2019
Pentachlorophenol MR 26 2019
Chlordane MR 26 2019
BHC-GAMMA MR 26 2019
Methoxychlor MR 26 2019
Endrin MR 26 2019
Toxaphene MR 26 2019
Dalapon MR 26 2019
OXAMYL MR 26 2019
Picloram MR 26 2019
Carbofuran MR 26 2019
Total Polychlorinated Biphenyls (PCB) MR 26 2019
Di(2-ethylhexyl) adipate MR 26 2019
Heptachlor epoxide MR 26 2019
Atrazine MR 26 2019
Aldicarb MR 26 2019
Lead and Copper Rule MR 12 2023
Total Haloacetic Acids (HAA5) MR 5 2008

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for LINCOLN HALL SCHOOL.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NY5903156 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New York Drinking Water Authority

New York State Department of Health — Public Water Systems is the primacy agency that licenses and inspects LINCOLN HALL SCHOOL under EPA-delegated authority.

Open NY regulator portal

Source: New York State Department of Health — Public Water Systems

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2023 Lead and Copper Rule MR 12 SDWIS / NY5903156 / 5000
2019 Simazine MR 26 SDWIS / NY5903156 / 2037
2019 Di(2-ethylhexyl) phthalate MR 26 SDWIS / NY5903156 / 2039
2019 Dinoseb MR 26 SDWIS / NY5903156 / 2041
2019 Hexachlorocyclopentadiene MR 26 SDWIS / NY5903156 / 2042
2019 Aldicarb sulfoxide MR 26 SDWIS / NY5903156 / 2043
2019 Aldicarb sulfone MR 26 SDWIS / NY5903156 / 2044
2019 LASSO MR 26 SDWIS / NY5903156 / 2051
2019 Heptachlor MR 26 SDWIS / NY5903156 / 2065
2019 2,4-D MR 26 SDWIS / NY5903156 / 2105
2019 2,4,5-TP MR 26 SDWIS / NY5903156 / 2110
2019 ETHYLENE DIBROMIDE MR 26 SDWIS / NY5903156 / 2946
2019 HEXACHLOROBENZENE MR 26 SDWIS / NY5903156 / 2274
2019 Benzo(a)pyrene MR 26 SDWIS / NY5903156 / 2306
2019 Pentachlorophenol MR 26 SDWIS / NY5903156 / 2326

How LINCOLN HALL SCHOOL Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric LINCOLN HALL SCHOOL New York avg Federal benchmark
Total violations 750 68.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 3.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 500 2,383 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 8,098 regulated public water systems in New York.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is LINCOLN HALL SCHOOL water safe to drink? ▼
LINCOLN HALL SCHOOL (PWS ID: NY5903156) has 750 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 500 people using Groundwater sources.
How many people does LINCOLN HALL SCHOOL serve? ▼
LINCOLN HALL SCHOOL serves 500 people in LINCOLNDALE, New York. It is a Private-owned system using Groundwater water sources with 20 service connections.
What type of violations does LINCOLN HALL SCHOOL have? ▼
LINCOLN HALL SCHOOL has 750 total violations: 0 health-based violations (MCL exceedances or treatment failures), 750 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LINCOLN HALL SCHOOL water? ▼
No PFAS testing data is available for LINCOLN HALL SCHOOL under the EPA's UCMR5 monitoring program.
What water source does LINCOLN HALL SCHOOL use? ▼
LINCOLN HALL SCHOOL uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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