Public water system · CT1150054

Active

Highland Greens (Golfcourse Clubhouse)

At a glance

Highland Greens (Golfcourse Clubhouse) (PWSID CT1150054) is an active transient non-community water system in New Haven County, Connecticut. It reports serving 40 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, one is health-based, and the most recent began in September 2020.

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

PWSIDCT1150054

System typeTransient non-community water system

Activity statusActive

Population served40

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyCT state drinking water program

City servedProspect

StateConnecticut

ZIP—

CountyNew Haven County

How does Highland Greens (Golfcourse Clubhouse) compare with other water systems in New Haven County?

By EPA's size categories, Highland Greens (Golfcourse Clubhouse) is a very small system (500 people or fewer). New Haven County has 212 active public water systems. Its population served is well below the county average of 3,412 people per system, and accounts for less than 0.1% of the 723,334 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 Highland Greens (Golfcourse Clubhouse) 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 Highland Greens (Golfcourse Clubhouse)?

EPA lists Highland Greens (Golfcourse Clubhouse) 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. 174 of the 212 active systems in New Haven County (82%) are also privately owned.

Does Highland Greens (Golfcourse Clubhouse) have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2020. The violations listed here began between April 2002 and September 2020. By type: 10 monitoring and reporting, 1 monitoring and 1 required treatment not met. The contaminant or rule involved most often is E. coli (6 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
2020-09-01	Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19	E. colicode 3014	No	Resolved
2020-08-01	Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19	E. colicode 3014	No	Resolved
2020-07-01	Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19	E. colicode 3014	No	Resolved
2020-06-01	Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19	E. colicode 3014	No	Resolved
2020-05-01	Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19	E. colicode 3014	No	Resolved
2020-04-01	Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19	E. colicode 3014	No	Resolved
2018-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2017-04-02	Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D	Revised Total Coliform Rulecode 8000	Yes	Resolved
2003-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2003-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2002-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2002-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	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.

Highland Greens (Golfcourse Clubhouse): frequently asked questions

Who runs Highland Greens (Golfcourse Clubhouse)?

Highland Greens (Golfcourse Clubhouse) (PWSID CT1150054) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Highland Greens (Golfcourse Clubhouse) serve?

Highland Greens (Golfcourse Clubhouse) reports serving 40 people through 1 service connection in New Haven County, Connecticut.

Where does Highland Greens (Golfcourse Clubhouse) 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 Highland Greens (Golfcourse Clubhouse) have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2020. 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 Highland Greens (Golfcourse Clubhouse)'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, one is health-based, and the most recent began in September 2020. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find Highland Greens (Golfcourse Clubhouse)'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Highland Greens (Golfcourse Clubhouse) 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 New Haven County

Water system	County	Population served	Type	Source
Regional Water Authority	New Haven	418,900	Community	Surface water
Waterbury Water Department	New Haven	107,271	Community	Surface water
Meriden Water Division	New Haven	58,441	Community	Surface water
Wallingford Water Department	New Haven	37,267	Community	Surface water
Ctwc - Shoreline Region-Guilford System	New Haven	33,975	Community	Surface water
Ctwc - Naugatuck Region-Central System	New Haven	22,735	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, “Highland Greens (Golfcourse Clubhouse), PWSID CT1150054, Connecticut”, https://aquacensus.com/water-systems/connecticut/highland-greens-golfcourse-clubhouse-ct1150054 (data as of October 1, 2026).