Public water system · NY3512133

Active

Sterling Lake

At a glance

Sterling Lake (PWSID NY3512133) is an active community water system in Orange County, New York. It reports serving 225 people through 44 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in July 2006.

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

Population served

225

Service connections

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDNY3512133

System typeCommunity water system

Activity statusActive

Population served225

Service connections44

Primary water sourceSurface water

Owner typePrivate

Primacy agencyNY state drinking water program

City servedWarwick (T)

StateNew York

ZIP—

CountyOrange County

How does Sterling Lake compare with other water systems in Orange County?

By EPA's size categories, Sterling Lake is a very small system (500 people or fewer). Orange County has 451 active public water systems. Its population served is well 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 Sterling Lake 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 296 New York systems (3.6%) list surface water as their primary source.

Who owns and regulates Sterling Lake?

EPA lists Sterling Lake 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 Sterling Lake have drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in July 2006. The violations listed here began between October 2004 and July 2006. By type: 6 contaminant level above the legal limit, 4 required treatment not met and 2 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (6 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
2006-07-11	Required treatment not metPublic Education · code 65	Lead and Copper Rulecode 5000	Yes	Resolved
2006-07-10	Required treatment not metPublic Education · code 65	Lead and Copper Rulecode 5000	Yes	Resolved
2006-01-01	Required treatment not metPublic Education · code 65	Lead and Copper Rulecode 5000	Yes	Resolved
2005-07-10	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved
2005-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2005-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2005-04-01	Monitoring and reportingWater Quality Parameter M/R · code 53	Lead and Copper Rulecode 5000	No	Resolved
2005-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2005-01-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2005-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2005-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2004-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	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.

Sterling Lake: frequently asked questions

Who runs Sterling Lake?

Sterling Lake (PWSID NY3512133) is a community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Sterling Lake serve?

Sterling Lake reports serving 225 people through 44 service connections in Orange County, New York.

Where does Sterling Lake get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Sterling Lake have any drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in July 2006. 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 Sterling Lake'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, 10 are health-based, and the most recent began in July 2006. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.

Where can I find Sterling Lake's water quality report?

As a community water system, Sterling Lake 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 system	County	Population served	Type	Source
Kiryas Joel	Orange	51,623	Community	Groundwater
Middletown City	Orange	30,000	Community	Surface water
Newburgh City	Orange	29,000	Community	Surface water
New Windsor Consolidated Wd	Orange	25,667	Community	Purchased surface water
Newburgh Consolidated Wd	Orange	22,282	Community	Surface water
Wallkill Consolidated Wd	Orange	18,450	Community	Groundwater 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, “Sterling Lake, PWSID NY3512133, New York”, https://aquacensus.com/water-systems/new-york/sterling-lake-ny3512133 (data as of October 1, 2026).