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Public water system · NH2098020

Active

Corner House

At a glance

Corner House (PWSID NH2098020) is an active transient non-community water system in Carroll County, New Hampshire. It reports serving 100 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, one is health-based, and the most recent began in July 2022.

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

Population served

100

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNH2098020
System typeTransient non-community water system
Activity statusActive
Population served100
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNH state drinking water program
City servedSandwich
StateNew Hampshire
ZIP—
CountyCarroll County

How does Corner House compare with other water systems in Carroll County?

By EPA's size categories, Corner House is a very small system (500 people or fewer). Carroll County has 366 active public water systems. Its population served is about half of the county average of 221 people per system, and accounts for 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 transient non-community water system reports serving 144 people, so Corner House is about 31% 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. New Hampshire has 1,291 active transient non-community water systems, 53% 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 Corner House?

EPA lists Corner House 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 Corner House have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2022. The violations listed here began between March 2018 and July 2022. By type: 3 public notice, recordkeeping or other, 3 reporting, 3 monitoring and reporting, 2 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 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
2022-07-19Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-07-19Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-07-12ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2022-06-08ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2022-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-12-16Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2019-12-07ReportingReporting, Assessment Forms (RTCR) · code 4ARevised Total Coliform Rulecode 8000NoResolved
2019-12-07Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2BRevised Total Coliform Rulecode 8000YesResolved
2019-10-30Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2019-06-07Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2018-03-30Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved

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.

Corner House: frequently asked questions

Who runs Corner House?

Corner House (PWSID NH2098020) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.

How many people does Corner House serve?

Corner House reports serving 100 people through 1 service connection in Carroll County, New Hampshire.

Where does Corner House 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 Corner House have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2022. 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 Corner House'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, one is health-based, and the most recent began in July 2022. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find Corner House's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Corner House 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 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, “Corner House, PWSID NH2098020, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/corner-house-nh2098020 (data as of October 1, 2026).