Skip to content
AquaCensus

Public water system · NY5917221

Active

Heritage Hills Water System

At a glance

Heritage Hills Water System (PWSID NY5917221) is an active community water system in Westchester County, New York. It reports serving 4,700 people through 2,668 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024.

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

Population served

4,700

Service connections

2,668

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNY5917221
System typeCommunity water system
Activity statusActive
Population served4,700
Service connections2,668
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNY state drinking water program
City servedSomers (T)
StateNew York
ZIP—
CountyWestchester County

How does Heritage Hills Water System compare with other water systems in Westchester County?

By EPA's size categories, Heritage Hills Water System is a medium system (3,301 to 10,000 people). Westchester County has 273 active public water systems. Its population served is about 23% above the county average of 3,808 people per system, and accounts for 0.5% 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 Heritage Hills Water System is about 30% below 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 7,096 New York systems (87%) list groundwater as their primary source.

Who owns and regulates Heritage Hills Water System?

EPA lists Heritage Hills Water System as privately owned. 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. 185 of the 273 active systems in Westchester County (68%) are also privately owned.

Does Heritage Hills Water System have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. The violations listed here began between April 2017 and July 2024. By type: 7 monitoring, 4 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (7 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-07-01Public notice, recordkeeping or otherNotification, State · code 05Groundwater Rulecode 0700NoResolved
2024-07-01Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31Groundwater Rulecode 0700NoResolved
2022-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2022-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2020-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-04-01Monitoring and reportingMonitoring, Regular · code 03Atrazinecode 2050NoResolved

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.

Heritage Hills Water System: frequently asked questions

Who runs Heritage Hills Water System?

Heritage Hills Water System (PWSID NY5917221) is a community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Heritage Hills Water System serve?

Heritage Hills Water System reports serving 4,700 people through 2,668 service connections in Westchester County, New York.

Where does Heritage Hills Water System get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Heritage Hills Water System 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 July 2024. 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 Heritage Hills Water System'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 July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.

Where can I find Heritage Hills Water System's water quality report?

As a community water system, Heritage Hills Water System 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 systemCountyPopulation servedTypeSource
Yonkers CityWestchester211,569CommunityPurchased surface water
Veolia Water New York, Inc.. Rd-1Westchester146,732CommunityPurchased surface water
Greenburgh Consolidated Wd #1Westchester86,624CommunityPurchased surface water
Mount Vernon Water DepartmentWestchester73,893CommunityPurchased surface water
Westchester Joint Water WorksWestchester59,629CommunitySurface water
White Plains CityWestchester59,559CommunityPurchased surface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Heritage Hills Water System, PWSID NY5917221, New York”, https://aquacensus.com/water-systems/new-york/heritage-hills-water-system-ny5917221 (data as of October 1, 2026).