Public water system · NY5903450

Active

Sleepy Hollow (Village)

At a glance

Sleepy Hollow (Village) (PWSID NY5903450) is an active community water system in Westchester County, New York. It reports serving 9,870 people through 1,540 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2020.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

9,870

Service connections

1,540

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDNY5903450

System typeCommunity water system

Activity statusActive

Population served9,870

Service connections1,540

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyNY state drinking water program

City servedMount Pleasant (T)

StateNew York

ZIP—

CountyWestchester County

How does Sleepy Hollow (Village) compare with other water systems in Westchester County?

By EPA's size categories, Sleepy Hollow (Village) is a medium system (3,301 to 10,000 people). Westchester County has 273 active public water systems. Its population served is about 159% above the county average of 3,808 people per system, and accounts for 0.9% of the 1,039,556 people reported by systems filed under the county. Across New York, the 8,167 active systems average 2,374 people each. Nationally, the average active community water system reports serving 6,703 people, so Sleepy Hollow (Village) is about 47% above that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. New York has 2,281 active community water systems, 28% of the state's 8,167 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 399 New York systems (4.9%) list purchased surface water as their primary source.

Who owns and regulates Sleepy Hollow (Village)?

EPA lists Sleepy Hollow (Village) as owned by a local government. The NY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 77 of the 273 active systems in Westchester County (28%) are also owned by a local government.

Does Sleepy Hollow (Village) have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2020. The violations listed here began between January 2008 and December 2020. By type: 10 monitoring and reporting, 1 monitoring and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

Began	Violation	Contaminant or rule	Health-based	Status
2020-12-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-12-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2011-12-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nickelcode 1036	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Thalliumcode 1085	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Cadmiumcode 1015	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Fluoridecode 1025	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Cyanidecode 1024	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Arseniccode 1005	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Antimonycode 1074	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Mercurycode 1035	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Bariumcode 1010	No	Resolved

The 12 most recent violations in EPA's records, newest first. Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Sleepy Hollow (Village): frequently asked questions

Who runs Sleepy Hollow (Village)?

Sleepy Hollow (Village) (PWSID NY5903450) is a community water system owned by a local government. It is regulated by the NY state drinking water program.

How many people does Sleepy Hollow (Village) serve?

Sleepy Hollow (Village) reports serving 9,870 people through 1,540 service connections in Westchester County, New York.

Where does Sleepy Hollow (Village) get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Sleepy Hollow (Village) have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2020. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Sleepy Hollow (Village)'s water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.

Where can I find Sleepy Hollow (Village)'s water quality report?

As a community water system, Sleepy Hollow (Village) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Westchester County

Water system	County	Population served	Type	Source
Yonkers City	Westchester	211,569	Community	Purchased surface water
Veolia Water New York, Inc.. Rd-1	Westchester	146,732	Community	Purchased surface water
Greenburgh Consolidated Wd #1	Westchester	86,624	Community	Purchased surface water
Mount Vernon Water Department	Westchester	73,893	Community	Purchased surface water
Westchester Joint Water Works	Westchester	59,629	Community	Surface water
White Plains City	Westchester	59,559	Community	Purchased surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Sleepy Hollow (Village), PWSID NY5903450, New York”, https://aquacensus.com/water-systems/new-york/sleepy-hollow-village-ny5903450 (data as of October 1, 2026).