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Public water system · NJ1026320

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Half Pint Daycare

At a glance

Half Pint Daycare (PWSID NJ1026320) is an active non-transient non-community water system in Hunterdon County, New Jersey. It reports serving 350 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 6 are health-based, and the most recent began in April 2025.

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

Population served

350

Service connections

2

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNJ1026320
System typeNon-transient non-community water system
Activity statusActive
Population served350
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNJ state drinking water program
City servedWest Amwell Twp.-1026
StateNew Jersey
ZIP—
CountyHunterdon County

How does Half Pint Daycare compare with other water systems in Hunterdon County?

By EPA's size categories, Half Pint Daycare is a very small system (500 people or fewer). Hunterdon County has 293 active public water systems. Its population served is about 12% above the county average of 313 people per system, and accounts for 0.4% of the 91,772 people reported by systems filed under the county. Across New Jersey, the 3,496 active systems average 2,750 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Half Pint Daycare is about 19% 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. New Jersey has 637 active non-transient non-community water systems, 18% of the state's 3,496 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,313 New Jersey systems (95%) list groundwater as their primary source.

Who owns and regulates Half Pint Daycare?

EPA lists Half Pint Daycare as privately owned. The NJ state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 229 of the 293 active systems in Hunterdon County (78%) are also privately owned.

Does Half Pint Daycare have drinking water violations?

EPA's records list 11 violations for this system; 6 are health-based, and the most recent began in April 2025. The violations listed here began between January 2012 and April 2025. By type: 5 contaminant level above the legal limit, 4 monitoring and reporting, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Arsenic (6 of them). EPA lists 11 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
2025-04-01Required treatment not metOCCT/SOWT Study/Recommendation · code 57Lead and Copper Rulecode 5000YesResolved
2024-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2024-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2023-02-11ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2022-04-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2022-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Arseniccode 1005YesResolved
2018-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Arseniccode 1005YesResolved
2018-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Arseniccode 1005YesResolved
2018-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Arseniccode 1005YesResolved
2018-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Arseniccode 1005YesResolved
2012-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 11 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.

Half Pint Daycare: frequently asked questions

Who runs Half Pint Daycare?

Half Pint Daycare (PWSID NJ1026320) is a non-transient non-community water system privately owned. It is regulated by the NJ state drinking water program.

How many people does Half Pint Daycare serve?

Half Pint Daycare reports serving 350 people through 2 service connections in Hunterdon County, New Jersey.

Where does Half Pint Daycare 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 Half Pint Daycare have any drinking water violations?

EPA's records list 11 violations for this system; 6 are health-based, and the most recent began in April 2025. 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 Half Pint Daycare'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 11 violations for this system; 6 are health-based, and the most recent began in April 2025. For current results, consult EPA ECHO, or the NJ state drinking water program.

Where can I find Half Pint Daycare's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Half Pint Daycare 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 Hunterdon County

Water systemCountyPopulation servedTypeSource
Clinton Water DeptHunterdon12,500CommunityGroundwater
Flemington Water DepartmentHunterdon4,581CommunityGroundwater
Veolia Water New Jersey LambertvilleHunterdon3,960CommunitySurface water
Washington Twp Mua-HagerHunterdon + 1 more3,458CommunityGroundwater
High Bridge W DeptHunterdon3,300CommunityGroundwater
State of Nj Spruce Run RecreatHunterdon2,800Transient non-communityGroundwater

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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, “Half Pint Daycare, PWSID NJ1026320, New Jersey”, https://aquacensus.com/water-systems/new-jersey/half-pint-daycare-nj1026320 (data as of October 1, 2026).