Public water system · CT0910554

Active

Fieldstone Commons

At a glance

Fieldstone Commons (PWSID CT0910554) is an active transient non-community water system in Fairfield County, Connecticut. It reports serving 25 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, 5 are health-based, and the most recent began in February 2026.

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

PWSIDCT0910554

System typeTransient non-community water system

Activity statusActive

Population served25

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyCT state drinking water program

City servedNew Fairfield

StateConnecticut

ZIP—

CountyFairfield County

How does Fieldstone Commons compare with other water systems in Fairfield County?

By EPA's size categories, Fieldstone Commons is a very small system (500 people or fewer). Fairfield County has 337 active public water systems. Its population served is well below the county average of 2,311 people per system, and accounts for less than 0.1% of the 778,730 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 Fieldstone Commons 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 Fieldstone Commons?

EPA lists Fieldstone Commons 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. 286 of the 337 active systems in Fairfield County (85%) are also privately owned.

Does Fieldstone Commons have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in February 2026. The violations listed here began between July 2010 and February 2026. By type: 4 required treatment not met, 3 public notice, recordkeeping or other, 3 monitoring, 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 11 as resolved and 1 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
2026-02-20	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2026-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2025-09-23	Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B	Revised Total Coliform Rulecode 8000	Yes	Resolved
2024-10-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2024-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-02-10	Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2021-10-22	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2020-11-05	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2020-08-27	Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B	Revised Total Coliform Rulecode 8000	Yes	Resolved
2020-07-16	Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2020-06-22	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2010-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	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.

Fieldstone Commons: frequently asked questions

Who runs Fieldstone Commons?

Fieldstone Commons (PWSID CT0910554) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Fieldstone Commons serve?

Fieldstone Commons reports serving 25 people through 1 service connection in Fairfield County, Connecticut.

Where does Fieldstone Commons 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 Fieldstone Commons have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in February 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 Fieldstone Commons' 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, 5 are health-based, and the most recent began in February 2026. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find Fieldstone Commons' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Fieldstone Commons 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 Fairfield County

Water system	County	Population served	Type	Source
Aquarion-Eastern Fairfield County	Fairfield	351,756	Community	Surface water
Aquarion-Stamford	Fairfield	119,214	Community	Surface water
Danbury Water Department	Fairfield	62,055	Community	Surface water
Aquarion-Greenwich	Fairfield	53,297	Community	Surface water
South Norwalk Electric & Water	Fairfield	42,000	Community	Surface water
Norwalk First Taxing District	Fairfield	40,256	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, “Fieldstone Commons, PWSID CT0910554, Connecticut”, https://aquacensus.com/water-systems/connecticut/fieldstone-commons-ct0910554 (data as of October 1, 2026).