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Public water system · NH0285010

Active

Swasey Central Sch

At a glance

Swasey Central Sch (PWSID NH0285010) is an active non-transient non-community water system in Rockingham County, New Hampshire. It reports serving 370 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in July 2021.

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

Population served

370

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNH0285010
System typeNon-transient non-community water system
Activity statusActive
Population served370
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNH state drinking water program
City servedBrentwood
StateNew Hampshire
ZIP—
CountyRockingham County

How does Swasey Central Sch compare with other water systems in Rockingham County?

By EPA's size categories, Swasey Central Sch is a very small system (500 people or fewer). Rockingham County has 554 active public water systems. Its population served is about 25% below the county average of 492 people per system, and accounts for 0.1% of the 272,726 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 Swasey Central Sch is about 14% 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 Swasey Central Sch?

EPA lists Swasey Central Sch as owned by a local government. 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. 70 of the 554 active systems in Rockingham County (13%) are also owned by a local government.

Does Swasey Central Sch have drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in July 2021. The violations listed here began between July 2009 and July 2021. By type: 6 contaminant level above the legal limit, 5 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (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
2021-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2021-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2019-06-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2019-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2017-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2016-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2013-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2013-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-10-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2009-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Swasey Central Sch: frequently asked questions

Who runs Swasey Central Sch?

Swasey Central Sch (PWSID NH0285010) is a non-transient non-community water system owned by a local government. It is regulated by the NH state drinking water program.

How many people does Swasey Central Sch serve?

Swasey Central Sch reports serving 370 people through 1 service connection in Rockingham County, New Hampshire.

Where does Swasey Central Sch 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 Swasey Central Sch have any drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in July 2021. 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 Swasey Central Sch'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, 6 are health-based, and the most recent began in July 2021. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find Swasey Central Sch's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Swasey Central Sch 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 Rockingham County

Water systemCountyPopulation servedTypeSource
Aquarion Water/NhRockingham34,000CommunityGroundwater
Portsmouth Water WorksRockingham33,000CommunitySurface water
Salem Water DeptRockingham21,000CommunitySurface water
Derry Water DeptRockingham17,370CommunityPurchased surface water
Seabrook Water DeptRockingham14,000CommunityGroundwater
Exeter Water DeptRockingham12,236CommunitySurface 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, “Swasey Central Sch, PWSID NH0285010, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/swasey-central-sch-nh0285010 (data as of October 1, 2026).