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Public water system · NH1618240

Active

Harbor Square Shopping Center

At a glance

Harbor Square Shopping Center (PWSID NH1618240) is an active non-transient non-community water system in Carroll County, New Hampshire. It reports serving 43 people through 17 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024.

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

Population served

43

Service connections

17

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNH1618240
System typeNon-transient non-community water system
Activity statusActive
Population served43
Service connections17
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNH state drinking water program
City servedMoultonborough
StateNew Hampshire
ZIP—
CountyCarroll County

How does Harbor Square Shopping Center compare with other water systems in Carroll County?

By EPA's size categories, Harbor Square Shopping Center is a very small system (500 people or fewer). Carroll County has 366 active public water systems. Its population served is well below the county average of 221 people per system, and accounts for less than 0.1% of the 81,013 people reported by systems filed under the county. Across New Hampshire, the 2,450 active systems average 508 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Harbor Square Shopping Center 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. New Hampshire has 453 active non-transient non-community water systems, 18% of the state's 2,450 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,374 New Hampshire systems (97%) list groundwater as their primary source.

Who owns and regulates Harbor Square Shopping Center?

EPA lists Harbor Square Shopping Center as privately owned. The NH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 328 of the 366 active systems in Carroll County (90%) are also privately owned.

Does Harbor Square Shopping Center have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 1993 and October 2024. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 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
2024-10-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2021-10-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2009-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1994-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved

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.

Harbor Square Shopping Center: frequently asked questions

Who runs Harbor Square Shopping Center?

Harbor Square Shopping Center (PWSID NH1618240) is a non-transient non-community water system privately owned. It is regulated by the NH state drinking water program.

How many people does Harbor Square Shopping Center serve?

Harbor Square Shopping Center reports serving 43 people through 17 service connections in Carroll County, New Hampshire.

Where does Harbor Square Shopping Center 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 Harbor Square Shopping Center have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is 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 Harbor Square Shopping Center'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, none is health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find Harbor Square Shopping Center's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Harbor Square Shopping Center 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 Carroll County

Water systemCountyPopulation servedTypeSource
Wolfeboro Water and SewerCarroll6,000CommunitySurface water
North Conway Water PctCarroll5,500CommunityGroundwater
Lower Bartlett Water PctCarroll3,850CommunityGroundwater
Conway Water and SewerCarroll2,745CommunityGroundwater
Paradise ShoresCarroll2,060CommunityGroundwater
Sanbornville Water DeptCarroll1,425CommunityGroundwater

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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, “Harbor Square Shopping Center, PWSID NH1618240, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/harbor-square-shopping-center-nh1618240 (data as of October 1, 2026).