Public water system · CT1231034

Active

The Vineyard at Hillyland

At a glance

The Vineyard at Hillyland (PWSID CT1231034) is an active transient non-community water system in Windham County, Connecticut. It reports serving 28 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in October 2025.

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

PWSIDCT1231034

System typeTransient non-community water system

Activity statusActive

Population served28

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyCT state drinking water program

City servedScotland

StateConnecticut

ZIP—

CountyWindham County

How does The Vineyard at Hillyland compare with other water systems in Windham County?

By EPA's size categories, The Vineyard at Hillyland is a very small system (500 people or fewer). Windham County has 254 active public water systems. Its population served is well below the county average of 251 people per system, and accounts for less than 0.1% of the 63,868 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active transient non-community water system reports serving 144 people, so The Vineyard at Hillyland 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. Connecticut has 1,399 active transient non-community water systems, 59% of the state's 2,363 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,263 Connecticut systems (96%) list groundwater as their primary source.

Who owns and regulates The Vineyard at Hillyland?

EPA lists The Vineyard at Hillyland as privately owned. The CT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 220 of the 254 active systems in Windham County (87%) are also privately owned.

Does The Vineyard at Hillyland have drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in October 2025. The violations listed here began between July 2019 and October 2025. By type: 6 monitoring, 2 required treatment not met and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (8 of them). EPA lists 10 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
2025-10-30	Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2C	Revised Total Coliform Rulecode 8000	Yes	Resolved
2024-01-06	Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2023-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Resolved
2023-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Nitratecode 1040	Yes	Resolved
2020-01-01	MonitoringMonitoring, Additional Routine (RTCR) · code 3B	Revised Total Coliform Rulecode 8000	No	Resolved
2019-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-10-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	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.

The Vineyard at Hillyland: frequently asked questions

Who runs The Vineyard at Hillyland?

The Vineyard at Hillyland (PWSID CT1231034) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.

How many people does The Vineyard at Hillyland serve?

The Vineyard at Hillyland reports serving 28 people through 1 service connection in Windham County, Connecticut.

Where does The Vineyard at Hillyland 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 The Vineyard at Hillyland have any drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in October 2025. 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 The Vineyard at Hillyland'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 10 violations for this system; 4 are health-based, and the most recent began in October 2025. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find The Vineyard at Hillyland's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. The Vineyard at Hillyland 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 Windham County

Water system	County	Population served	Type	Source
Windham Water Works	Windham	21,214	Community	Surface water
Putnam Water Pollution Control Authority	Windham	7,300	Community	Surface water
Ctwc - Crystal System	Windham	6,378	Community	Groundwater
Ctwc - Gallup System	Windham	2,538	Community	Groundwater
Ctwc - Plainfield System	Windham	1,713	Community	Groundwater
Killingly High School & Agricultural Ctr	Windham	1,400	Non-transient non-community	Groundwater

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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, “The Vineyard at Hillyland, PWSID CT1231034, Connecticut”, https://aquacensus.com/water-systems/connecticut/the-vineyard-at-hillyland-ct1231034 (data as of October 1, 2026).