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Public water system · NH2546190

Active

Shaws Supermarket 686

At a glance

Shaws Supermarket 686 (PWSID NH2546190) is an active non-transient non-community water system in Rockingham County, New Hampshire. It reports serving 38 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in October 2014.

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

Population served

38

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNH2546190
System typeNon-transient non-community water system
Activity statusActive
Population served38
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNH state drinking water program
City servedWindham
StateNew Hampshire
ZIP—
CountyRockingham County

How does Shaws Supermarket 686 compare with other water systems in Rockingham County?

By EPA's size categories, Shaws Supermarket 686 is a very small system (500 people or fewer). Rockingham County has 554 active public water systems. Its population served is well 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 non-transient non-community water system reports serving 430 people, so Shaws Supermarket 686 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 Shaws Supermarket 686?

EPA lists Shaws Supermarket 686 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 Shaws Supermarket 686 have drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in October 2014. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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
2014-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

The one violation in EPA's records.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.

Shaws Supermarket 686: frequently asked questions

Who runs Shaws Supermarket 686?

Shaws Supermarket 686 (PWSID NH2546190) is a non-transient non-community water system privately owned. It is regulated by the NH state drinking water program.

How many people does Shaws Supermarket 686 serve?

Shaws Supermarket 686 reports serving 38 people through 1 service connection in Rockingham County, New Hampshire.

Where does Shaws Supermarket 686 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 Shaws Supermarket 686 have any drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in October 2014. 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 Shaws Supermarket 686'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 one violation for this system; it is health-based, and the most recent began in October 2014. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find Shaws Supermarket 686's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Shaws Supermarket 686 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, “Shaws Supermarket 686, PWSID NH2546190, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/shaws-supermarket-686-nh2546190 (data as of October 1, 2026).