PlainWater

Community Water System · PWS NY5903450

Sleepy Hollow (Village)

Sleepy Hollow, New York 10591 - drinking water served from surface water sources to 9,870 people, tracked in EPA SDWIS and UCMR5.

9,870
People served
86
EPA violations
2
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 86 drinking-water violations at Sleepy Hollow (Village), 2% of them health-based - above the New York per-system average.

86
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
9,870
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sleepy Hollow (Village)

Sleepy Hollow (Village) is a local-owned community water system that delivers drinking water to 9,870 residents in Sleepy Hollow, New York (Westchester County) through 1,540 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 86 total violations for this system , of which 2 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 73 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 10 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%).

Sleepy Hollow (Village)'s 86 violations sit above the New York average.

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
9,870
Total Violations
86
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,540
County
Westchester
School/Daycare
No
MCL Violations
0
Monitoring Violations
73
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 10 2011
Arsenic MR 4 2008
Cadmium MR 4 2008
Chromium MR 4 2008
CYANIDE MR 4 2008
Nickel MR 4 2008
Beryllium, Total MR 4 2008
Thallium, Total MR 4 2008
Nitrate MR 4 2007
Mercury MR 4 2008
Nitrate-Nitrite MR 4 2007
Antimony, Total MR 4 2008
Barium MR 4 2008
Nitrite MR 4 2007
Selenium MR 4 2008
Fluoride MR 4 2008
Revised Total Coliform Rule RPT 3 2020
Revised Total Coliform Rule MON 3 2020
Surface Water Treatment Rule TT 2 1995

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFBS 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFDoA 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 7/23/2024 <8.00 ppt 8.00 ppt Not Detected
9Cl-PF3ONS 7/23/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/23/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/23/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/23/2024 <6.00 ppt 6.00 ppt Not Detected
PFHxS 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 7/23/2024 <7.00 ppt 7.00 ppt Not Detected
PFHpS 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/23/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/23/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/23/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/23/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/23/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/23/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 4/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 4/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 4/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 4/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 4/23/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 4/23/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 4/23/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 4/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 4/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 4/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 4/23/2024 <20.00 ppt 20.00 ppt Not Detected

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 Sleepy Hollow (Village).

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 NY5903450 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 Sleepy Hollow (Village) 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
2020 Revised Total Coliform Rule RPT 3 SDWIS / NY5903450 / 8000
2020 Revised Total Coliform Rule MON 3 SDWIS / NY5903450 / 8000
2011 Coliform (TCR) MR 10 SDWIS / NY5903450 / 3100
2008 Arsenic MR 4 SDWIS / NY5903450 / 1005
2008 Cadmium MR 4 SDWIS / NY5903450 / 1015
2008 Chromium MR 4 SDWIS / NY5903450 / 1020
2008 CYANIDE MR 4 SDWIS / NY5903450 / 1024
2008 Nickel MR 4 SDWIS / NY5903450 / 1036
2008 Beryllium, Total MR 4 SDWIS / NY5903450 / 1075
2008 Thallium, Total MR 4 SDWIS / NY5903450 / 1085
2008 Mercury MR 4 SDWIS / NY5903450 / 1035
2008 Antimony, Total MR 4 SDWIS / NY5903450 / 1074
2008 Barium MR 4 SDWIS / NY5903450 / 1010
2008 Selenium MR 4 SDWIS / NY5903450 / 1045
2008 Fluoride MR 4 SDWIS / NY5903450 / 1025

How Sleepy Hollow (Village) Compares

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

Metric Sleepy Hollow (Village) New York avg Federal benchmark
Total violations 86 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 9,870 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Sleepy Hollow (Village) water safe to drink?
Sleepy Hollow (Village) (PWS ID: NY5903450) has 86 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 9,870 people using Surface Water sources.
How many people does Sleepy Hollow (Village) serve?
Sleepy Hollow (Village) serves 9,870 people in Sleepy Hollow, New York. It is a Local-owned system using Surface Water water sources with 1,540 service connections.
What type of violations does Sleepy Hollow (Village) have?
Sleepy Hollow (Village) has 86 total violations: 2 health-based violations (MCL exceedances or treatment failures), 73 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sleepy Hollow (Village) water?
No. Sleepy Hollow (Village) was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Sleepy Hollow (Village) use?
Sleepy Hollow (Village) uses Surface Water 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.