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Public water system · NY3503606

Active

Hidden Valley Estates

At a glance

Hidden Valley Estates (PWSID NY3503606) is an active community water system in Orange County, New York. It reports serving 312 people through 99 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, one is health-based, and the most recent began in February 2023.

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

Population served

312

Service connections

99

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNY3503606
System typeCommunity water system
Activity statusActive
Population served312
Service connections99
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNY state drinking water program
City servedMount Hope (T)
StateNew York
ZIP—
CountyOrange County

How does Hidden Valley Estates compare with other water systems in Orange County?

By EPA's size categories, Hidden Valley Estates is a very small system (500 people or fewer). Orange County has 451 active public water systems. Its population served is about 66% below the county average of 921 people per system, and accounts for less than 0.1% of the 415,298 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 Hidden Valley Estates is well 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 Hidden Valley Estates?

EPA lists Hidden Valley Estates 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. 328 of the 451 active systems in Orange County (73%) are also privately owned.

Does Hidden Valley Estates have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2023. The violations listed here began between January 2013 and February 2023. By type: 10 monitoring and reporting, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Cyanide (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.

BeganViolationContaminant or ruleHealth-basedStatus
2023-02-17Required treatment not metPublic Education · code 65Lead and Copper Rulecode 5000YesResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Cyanidecode 1024NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Cyanidecode 1024NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved
2013-01-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved

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.

Hidden Valley Estates: frequently asked questions

Who runs Hidden Valley Estates?

Hidden Valley Estates (PWSID NY3503606) is a community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Hidden Valley Estates serve?

Hidden Valley Estates reports serving 312 people through 99 service connections in Orange County, New York.

Where does Hidden Valley Estates 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 Hidden Valley Estates have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2023. 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 Hidden Valley Estates' 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, one is health-based, and the most recent began in February 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.

Where can I find Hidden Valley Estates' water quality report?

As a community water system, Hidden Valley Estates 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 Orange County

Water systemCountyPopulation servedTypeSource
Kiryas JoelOrange51,623CommunityGroundwater
Middletown CityOrange30,000CommunitySurface water
Newburgh CityOrange29,000CommunitySurface water
New Windsor Consolidated WdOrange25,667CommunityPurchased surface water
Newburgh Consolidated WdOrange22,282CommunitySurface water
Wallkill Consolidated WdOrange18,450CommunityGroundwater under influence of 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, “Hidden Valley Estates, PWSID NY3503606, New York”, https://aquacensus.com/water-systems/new-york/hidden-valley-estates-ny3503606 (data as of October 1, 2026).