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Public water system · CT1180422

Active

Branchville School

At a glance

Branchville School (PWSID CT1180422) is an active non-transient non-community water system in Fairfield County, Connecticut. It reports serving 488 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; all are health-based, and the most recent began in January 2001.

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

Population served

488

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCT1180422
System typeNon-transient non-community water system
Activity statusActive
Population served488
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyCT state drinking water program
City servedRidgefield
StateConnecticut
ZIP—
CountyFairfield County

How does Branchville School compare with other water systems in Fairfield County?

By EPA's size categories, Branchville School 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 Branchville School is about 14% above 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 Branchville School?

EPA lists Branchville School as owned by a local government. 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. 44 of the 337 active systems in Fairfield County (13%) are also owned by a local government.

Does Branchville School have drinking water violations?

EPA's records list 2 violations for this system; all are health-based, and the most recent began in January 2001. The violations listed here began between June 2000 and January 2001. By type: 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 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
2001-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2000-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 2 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.

Branchville School: frequently asked questions

Who runs Branchville School?

Branchville School (PWSID CT1180422) is a non-transient non-community water system owned by a local government. It is regulated by the CT state drinking water program.

How many people does Branchville School serve?

Branchville School reports serving 488 people through 1 service connection in Fairfield County, Connecticut.

Where does Branchville School 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 Branchville School have any drinking water violations?

EPA's records list 2 violations for this system; all are health-based, and the most recent began in January 2001. 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 Branchville School'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 2 violations for this system; all are health-based, and the most recent began in January 2001. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find Branchville School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Branchville School 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, “Branchville School, PWSID CT1180422, Connecticut”, https://aquacensus.com/water-systems/connecticut/branchville-school-ct1180422 (data as of October 1, 2026).