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HARVEY SCHOOL

PWS ID: NY5912829 · KATONAH, New York 10536

HARVEY SCHOOL serves 510 people in KATONAH, New York using Groundwater water sources. It has 319 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HARVEY SCHOOL

HARVEY SCHOOL is a private-owned community water system that delivers drinking water to 510 residents in KATONAH, New York (Westchester County) through 15 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 319 total violations for this system , of which 4 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 265 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 Nitrate, recorded in 19 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. HARVEY SCHOOL's 319 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
510
Total Violations
319
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
15
County
Westchester
School/Daycare
No
MCL Violations
4
Monitoring Violations
265
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 19 2023
Nitrate-Nitrite MR 9 2023
Nitrite MR 9 2023
Coliform (TCR) MR 8 2014
Coliform (TCR) MCL 4 2010
TTHM MR 4 2013
Combined Uranium MR 4 2020
Radium-226 MR 4 2020
Picloram MR 4 2000
Di(2-ethylhexyl) phthalate MR 4 2000
Di(2-ethylhexyl) adipate MR 4 2000
ETHYLENE DIBROMIDE MR 4 2000
2,4-D MR 4 2000
Heptachlor epoxide MR 4 2000
Chlordane MR 4 2000
Atrazine MR 4 2000
Aldicarb MR 4 2000
Aldicarb sulfone MR 4 2000
Hexachlorocyclopentadiene MR 4 2000
Toxaphene MR 4 2000
Methoxychlor MR 4 2000
BHC-GAMMA MR 4 2000
Endrin MR 4 2000
Vinyl chloride MR 4 2000
1,1,2-Trichloroethane MR 4 2000
Trichloroethylene MR 4 2000
cis-1,2-Dichloroethylene MR 4 2000
1,2-Dichloropropane MR 4 2000
Carbon tetrachloride MR 4 2000
1,1,1-Trichloroethane MR 4 2000

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 HARVEY 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 NY5912829 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 HARVEY 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 Nitrate MR 19 SDWIS / NY5912829 / 1040
2023 Nitrate-Nitrite MR 9 SDWIS / NY5912829 / 1038
2023 Nitrite MR 9 SDWIS / NY5912829 / 1041
2023 Revised Total Coliform Rule MON 2 SDWIS / NY5912829 / 8000
2023 Consumer Confidence Rule Other 2 SDWIS / NY5912829 / 7000
2020 Combined Uranium MR 4 SDWIS / NY5912829 / 4006
2020 Radium-226 MR 4 SDWIS / NY5912829 / 4020
2020 Radium-228 MR 4 SDWIS / NY5912829 / 4030
2020 Combined Radium (-226 and -228) MR 4 SDWIS / NY5912829 / 4010
2014 Coliform (TCR) MR 8 SDWIS / NY5912829 / 3100
2013 TTHM MR 4 SDWIS / NY5912829 / 2950
2013 Total Haloacetic Acids (HAA5) MR 4 SDWIS / NY5912829 / 2456
2010 Coliform (TCR) MCL 4 SDWIS / NY5912829 / 3100
2006 Lead and Copper Rule MR 2 SDWIS / NY5912829 / 5000
2000 Picloram MR 4 SDWIS / NY5912829 / 2040

How HARVEY SCHOOL Compares

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

Metric HARVEY SCHOOL New York avg Federal benchmark
Total violations 319 68.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 510 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 HARVEY SCHOOL water safe to drink? ▼
HARVEY SCHOOL (PWS ID: NY5912829) has 319 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 510 people using Groundwater sources.
How many people does HARVEY SCHOOL serve? ▼
HARVEY SCHOOL serves 510 people in KATONAH, New York. It is a Private-owned system using Groundwater water sources with 15 service connections.
What type of violations does HARVEY SCHOOL have? ▼
HARVEY SCHOOL has 319 total violations: 4 health-based violations (MCL exceedances or treatment failures), 265 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HARVEY SCHOOL water? ▼
No PFAS testing data is available for HARVEY SCHOOL under the EPA's UCMR5 monitoring program.
What water source does HARVEY SCHOOL use? ▼
HARVEY 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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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial