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Public water system · CT1610202

Active

Childrens Day School of Wilton

At a glance

Childrens Day School of Wilton (PWSID CT1610202) is an active non-transient non-community water system in Fairfield County, Connecticut. It reports serving 96 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, 7 are health-based, and the most recent began in December 2023.

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

Population served

96

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCT1610202
System typeNon-transient non-community water system
Activity statusActive
Population served96
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedWilton
StateConnecticut
ZIP—
CountyFairfield County

How does Childrens Day School of Wilton compare with other water systems in Fairfield County?

By EPA's size categories, Childrens Day School of Wilton 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 non-transient non-community water system reports serving 430 people, so Childrens Day School of Wilton 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 Childrens Day School of Wilton?

EPA lists Childrens Day School of Wilton 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 Childrens Day School of Wilton have drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in December 2023. The violations listed here began between July 2000 and December 2023. By type: 7 contaminant level above the legal limit, 3 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 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.

BeganViolationContaminant or ruleHealth-basedStatus
2023-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2019-08-01MonitoringMonitoring, Additional Routine (RTCR) · code 3BRevised Total Coliform Rulecode 8000NoResolved
2010-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
2006-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-07-13Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2005-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
2002-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2002-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2000-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2000-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Childrens Day School of Wilton: frequently asked questions

Who runs Childrens Day School of Wilton?

Childrens Day School of Wilton (PWSID CT1610202) is a non-transient non-community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Childrens Day School of Wilton serve?

Childrens Day School of Wilton reports serving 96 people through 1 service connection in Fairfield County, Connecticut.

Where does Childrens Day School of Wilton 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 Childrens Day School of Wilton have any drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in December 2023. 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 Childrens Day School of Wilton'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, 7 are health-based, and the most recent began in December 2023. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find Childrens Day School of Wilton's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Childrens Day School of Wilton 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 Fairfield County

Water systemCountyPopulation servedTypeSource
Aquarion-Eastern Fairfield CountyFairfield351,756CommunitySurface water
Aquarion-StamfordFairfield119,214CommunitySurface water
Danbury Water DepartmentFairfield62,055CommunitySurface water
Aquarion-GreenwichFairfield53,297CommunitySurface water
South Norwalk Electric & WaterFairfield42,000CommunitySurface water
Norwalk First Taxing DistrictFairfield40,256CommunitySurface 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, “Childrens Day School of Wilton, PWSID CT1610202, Connecticut”, https://aquacensus.com/water-systems/connecticut/childrens-day-school-of-wilton-ct1610202 (data as of October 1, 2026).