Public water system · NY1906316
ActiveWillow Brook Estates
At a glance
Willow Brook Estates (PWSID NY1906316) is an active community water system in Greene County, New York. It reports serving 251 people through 85 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
251
Service connections
85
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Willow Brook Estates compare with other water systems in Greene County?
By EPA's size categories, Willow Brook Estates is a very small system (500 people or fewer). Greene County has 195 active public water systems. Its population served is roughly in line with the county average of 243 people per system, and accounts for 0.5% 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 community water system reports serving 6,703 people, so Willow Brook 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 Willow Brook Estates?
EPA lists Willow Brook 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. 170 of the 195 active systems in Greene County (87%) are also privately owned.
Does Willow Brook Estates have drinking water violations?
EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in January 2022. The violations listed here began between April 2009 and January 2022. By type: 7 monitoring and reporting, 1 public notice, recordkeeping or other, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 8 as resolved and 2 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2021-01-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2011-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2010-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2009-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 10 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.
Willow Brook Estates: frequently asked questions
Who runs Willow Brook Estates?
Willow Brook Estates (PWSID NY1906316) is a community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Willow Brook Estates serve?
Willow Brook Estates reports serving 251 people through 85 service connections in Greene County, New York.
Where does Willow Brook 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 Willow Brook Estates have any drinking water violations?
EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in January 2022. 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 Willow Brook 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. EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in January 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Willow Brook Estates' water quality report?
As a community water system, Willow Brook 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 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, “Willow Brook Estates, PWSID NY1906316, New York”, https://aquacensus.com/water-systems/new-york/willow-brook-estates-ny1906316 (data as of October 1, 2026).