Public water system · NY1900029
ActiveHensonville (Windham W.D.)
At a glance
Hensonville (Windham W.D.) (PWSID NY1900029) is an active community water system in Greene County, New York. It reports serving 490 people through 306 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
490
Service connections
306
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hensonville (Windham W.D.) compare with other water systems in Greene County?
By EPA's size categories, Hensonville (Windham W.D.) is a very small system (500 people or fewer). Greene County has 195 active public water systems. Its population served is about twice the county average of 243 people per system, and accounts for 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 community water system reports serving 6,703 people, so Hensonville (Windham W.D.) 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 Hensonville (Windham W.D.)?
EPA lists Hensonville (Windham W.D.) 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. 18 of the 195 active systems in Greene County (9.2%) are also owned by a local government.
Does Hensonville (Windham W.D.) have drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2026. The violations listed here began between July 2015 and January 2026. By type: 5 monitoring, 4 contaminant level above the legal limit, 1 reporting, 1 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (5 of them). EPA lists 11 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2025-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2021-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-01-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | 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.
Hensonville (Windham W.D.): frequently asked questions
Who runs Hensonville (Windham W.D.)?
Hensonville (Windham W.D.) (PWSID NY1900029) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Hensonville (Windham W.D.) serve?
Hensonville (Windham W.D.) reports serving 490 people through 306 service connections in Greene County, New York.
Where does Hensonville (Windham W.D.) 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 Hensonville (Windham W.D.) have any drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2026. 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 Hensonville (Windham W.D.)'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, 4 are health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Hensonville (Windham W.D.)'s water quality report?
As a community water system, Hensonville (Windham W.D.) 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, “Hensonville (Windham W.D.), PWSID NY1900029, New York”, https://aquacensus.com/water-systems/new-york/hensonville-windham-w-d-ny1900029 (data as of October 1, 2026).