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Public water system · NH2549060

Active

St Matthew Parish

At a glance

St Matthew Parish (PWSID NH2549060) is an active transient non-community water system in Rockingham County, New Hampshire. It reports serving 200 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in April 2023.

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

Population served

200

Service connections

3

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNH2549060
System typeTransient non-community water system
Activity statusActive
Population served200
Service connections3
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNH state drinking water program
City servedWindham
StateNew Hampshire
ZIP—
CountyRockingham County

How does St Matthew Parish compare with other water systems in Rockingham County?

By EPA's size categories, St Matthew Parish is a very small system (500 people or fewer). Rockingham County has 554 active public water systems. Its population served is about 59% below the county average of 492 people per system, and accounts for less than 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 transient non-community water system reports serving 144 people, so St Matthew Parish is about 39% above 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 St Matthew Parish?

EPA lists St Matthew Parish 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. 477 of the 554 active systems in Rockingham County (86%) are also privately owned.

Does St Matthew Parish have drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in April 2023. The violations listed here began between July 2003 and April 2023. By type: 2 reporting, 2 monitoring, 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 5 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2023-04-07ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2023-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-09-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2020-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2014-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2003-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 6 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.

St Matthew Parish: frequently asked questions

Who runs St Matthew Parish?

St Matthew Parish (PWSID NH2549060) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.

How many people does St Matthew Parish serve?

St Matthew Parish reports serving 200 people through 3 service connections in Rockingham County, New Hampshire.

Where does St Matthew Parish 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 St Matthew Parish have any drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in April 2023. 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 St Matthew Parish'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 6 violations for this system; 1 is health-based, and the most recent began in April 2023. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find St Matthew Parish's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. St Matthew Parish 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 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, “St Matthew Parish, PWSID NH2549060, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/st-matthew-parish-nh2549060 (data as of October 1, 2026).