Public water system · NY1930106
ActiveMaster Unit Retreat
At a glance
Master Unit Retreat (PWSID NY1930106) is an active transient non-community water system in Greene County, New York. It reports serving 25 people through 1 service connection. Its primary water source is groundwater under influence of surface water, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in November 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GU
Groundwater under influence of surface water
System type
TNCWS
Transient non-community water system
System record
How does Master Unit Retreat compare with other water systems in Greene County?
By EPA's size categories, Master Unit Retreat 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 Master Unit Retreat 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 under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 241 New York systems (3%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Master Unit Retreat?
EPA lists Master Unit Retreat 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 Master Unit Retreat have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in November 2024. The violations listed here began between January 2022 and November 2024. By type: 5 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (5 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2024-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
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.
Master Unit Retreat: frequently asked questions
Who runs Master Unit Retreat?
Master Unit Retreat (PWSID NY1930106) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Master Unit Retreat serve?
Master Unit Retreat reports serving 25 people through 1 service connection in Greene County, New York.
Where does Master Unit Retreat get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Master Unit Retreat have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in November 2024. 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 Master Unit Retreat'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 November 2024. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Master Unit Retreat's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Master Unit Retreat 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, “Master Unit Retreat, PWSID NY1930106, New York”, https://aquacensus.com/water-systems/new-york/master-unit-retreat-ny1930106 (data as of October 1, 2026).