Public water system · CT0530324

Active

Hillandale Farms (Under the Mountain Rd)

At a glance

Hillandale Farms (Under the Mountain Rd) (PWSID CT0530324) is an active non-transient non-community water system in New London 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, 3 are health-based, and the most recent began in October 2024.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCT0530324

System typeNon-transient non-community water system

Activity statusActive

Population served40

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyCT state drinking water program

City servedFranklin

StateConnecticut

ZIP—

CountyNew London County

How does Hillandale Farms (Under the Mountain Rd) compare with other water systems in New London County?

By EPA's size categories, Hillandale Farms (Under the Mountain Rd) is a very small system (500 people or fewer). New London County has 394 active public water systems. Its population served is well below the county average of 532 people per system, and accounts for less than 0.1% of the 209,444 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Hillandale Farms (Under the Mountain Rd) is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Connecticut has 483 active non-transient non-community water systems, 20% 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 Hillandale Farms (Under the Mountain Rd)?

EPA lists Hillandale Farms (Under the Mountain Rd) 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. 320 of the 394 active systems in New London County (81%) are also privately owned.

Does Hillandale Farms (Under the Mountain Rd) have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in October 2024. The violations listed here began between September 2018 and October 2024. By type: 4 monitoring and reporting, 4 monitoring, 2 required treatment not met, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 10 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2024-10-17	Required treatment not metLSL Inventory · code 2E	Lead and Copper Rule Revisionscode 5200	Yes	Unaddressed
2024-10-17	ReportingLSL Reporting · code 4G	Lead and Copper Rule Revisionscode 5200	No	Unaddressed
2021-04-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2021-03-21	Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2C	Revised Total Coliform Rulecode 8000	Yes	Resolved
2020-12-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2020-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-02-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-01-01	MonitoringMonitoring, Additional Routine (RTCR) · code 3B	Revised Total Coliform Rulecode 8000	No	Resolved
2019-12-26	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2019-07-01	MonitoringMonitoring, Additional Routine (RTCR) · code 3B	Revised Total Coliform Rulecode 8000	No	Resolved
2019-04-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2018-09-29	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	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.

Hillandale Farms (Under the Mountain Rd): frequently asked questions

Who runs Hillandale Farms (Under the Mountain Rd)?

Hillandale Farms (Under the Mountain Rd) (PWSID CT0530324) is a non-transient non-community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Hillandale Farms (Under the Mountain Rd) serve?

Hillandale Farms (Under the Mountain Rd) reports serving 40 people through 1 service connection in New London County, Connecticut.

Where does Hillandale Farms (Under the Mountain Rd) 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 Hillandale Farms (Under the Mountain Rd) have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in October 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 Hillandale Farms (Under the Mountain Rd)'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, 3 are health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find Hillandale Farms (Under the Mountain Rd)'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Hillandale Farms (Under the Mountain Rd) is a non-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 London County

Water system	County	Population served	Type	Source
Norwich Public Utilities	New London	36,163	Community	Surface water
Groton Utilities	New London	30,200	Community	Surface water
New London Dept. of Public Utilities	New London	27,620	Community	Surface water
Waterford Wpca	New London	16,578	Community	Purchased surface water
East Lyme Water & Sewer Commission	New London	15,245	Community	Purchased surface water
Aquarion-Mystic	New London	10,788	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, “Hillandale Farms (Under the Mountain Rd), PWSID CT0530324, Connecticut”, https://aquacensus.com/water-systems/connecticut/hillandale-farms-under-the-mountain-rd-ct0530324 (data as of October 1, 2026).