Public water system · NY1909112

Active

Gray Willow

At a glance

Gray Willow (PWSID NY1909112) is an active transient non-community water system in Greene County, New York. It reports serving 26 people through 1 service connection. 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 September 2023.

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

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNY1909112

System typeTransient non-community water system

Activity statusActive

Population served26

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyNY state drinking water program

City servedCoxsackie (T)

StateNew York

ZIP—

CountyGreene County

How does Gray Willow compare with other water systems in Greene County?

By EPA's size categories, Gray Willow is a very small system (500 people or fewer). Greene County has 195 active public water systems. Its population served is well below the county average of 243 people per system, and accounts for less than 0.1% of the 47,446 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 Gray Willow is well below 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 Gray Willow?

EPA lists Gray Willow 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. 170 of the 195 active systems in Greene County (87%) are also privately owned.

Does Gray Willow have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2023. The violations listed here began between October 2021 and September 2023. By type: 12 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (12 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
2023-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-03-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-02-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-12-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-10-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	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.

Gray Willow: frequently asked questions

Who runs Gray Willow?

Gray Willow (PWSID NY1909112) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Gray Willow serve?

Gray Willow reports serving 26 people through 1 service connection in Greene County, New York.

Where does Gray Willow 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 Gray Willow 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 September 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 Gray Willow'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 September 2023. For current results, consult EPA ECHO, or the NY state drinking water program.

Where can I find Gray Willow's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Gray Willow 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 Greene County

Water system	County	Population served	Type	Source
Catskill Village	Greene	8,000	Community	Surface water
Coxsackie Village	Greene	4,010	Community	Surface water
Blackthorne Corporation	Greene	2,500	Transient non-community	Groundwater
Coxsackie Correctional Facility	Greene	2,000	Community	Surface water
Sleepy Hollow Lake Water Co.	Greene	2,000	Community	Surface water
Athens Village	Greene	1,700	Community	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, “Gray Willow, PWSID NY1909112, New York”, https://aquacensus.com/water-systems/new-york/gray-willow-ny1909112 (data as of October 1, 2026).