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Public water system · NY5930044

Active

Onatru Farm

At a glance

Onatru Farm (PWSID NY5930044) is an active transient non-community water system in Westchester County, New York. It reports serving 400 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2020.

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

Population served

400

Service connections

3

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNY5930044
System typeTransient non-community water system
Activity statusActive
Population served400
Service connections3
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNY state drinking water program
City servedLewisboro (T)
StateNew York
ZIP—
CountyWestchester County

How does Onatru Farm compare with other water systems in Westchester County?

By EPA's size categories, Onatru Farm is a very small system (500 people or fewer). Westchester County has 273 active public water systems. Its population served is well below the county average of 3,808 people per system, and accounts for less than 0.1% 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 transient non-community water system reports serving 144 people, so Onatru Farm is about 178% above that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New York has 5,182 active transient non-community water systems, 63% 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 Onatru Farm?

EPA lists Onatru Farm 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 Onatru Farm have drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2020. The violations listed here began between May 2014 and January 2020. By type: 4 monitoring and 2 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 5 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
2018-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2014-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 6 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.

Onatru Farm: frequently asked questions

Who runs Onatru Farm?

Onatru Farm (PWSID NY5930044) is a transient non-community water system owned by a local government. It is regulated by the NY state drinking water program.

How many people does Onatru Farm serve?

Onatru Farm reports serving 400 people through 3 service connections in Westchester County, New York.

Where does Onatru Farm 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 Onatru Farm have any drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 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 Onatru Farm'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. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2020. For current results, consult EPA ECHO, or the NY state drinking water program.

Where can I find Onatru Farm's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Onatru Farm is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

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

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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, “Onatru Farm, PWSID NY5930044, New York”, https://aquacensus.com/water-systems/new-york/onatru-farm-ny5930044 (data as of October 1, 2026).