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Public water system · NH2082050

Active

Stoneford

At a glance

Stoneford (PWSID NH2082050) is an active community water system in Rockingham County, New Hampshire. It reports serving 188 people through 75 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 1997.

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

Population served

188

Service connections

75

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNH2082050
System typeCommunity water system
Activity statusActive
Population served188
Service connections75
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNH state drinking water program
City servedSandown
StateNew Hampshire
ZIP—
CountyRockingham County

How does Stoneford compare with other water systems in Rockingham County?

By EPA's size categories, Stoneford is a very small system (500 people or fewer). Rockingham County has 554 active public water systems. Its population served is about 62% 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 community water system reports serving 6,703 people, so Stoneford is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. New Hampshire has 706 active community water systems, 29% 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 Stoneford?

EPA lists Stoneford 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 Stoneford 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 1997. The violations listed here began between January 1997 and October 1997. By type: 12 monitoring and reporting. The contaminants or rules involved are Nitrate, 1,2,4-Trichlorobenzene, cis-1,2-Dichloroethylene and o-Dichlorobenzene. EPA lists 12 as archived. 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
1997-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoArchived
1997-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoArchived

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.

Stoneford: frequently asked questions

Who runs Stoneford?

Stoneford (PWSID NH2082050) is a community water system privately owned. It is regulated by the NH state drinking water program.

How many people does Stoneford serve?

Stoneford reports serving 188 people through 75 service connections in Rockingham County, New Hampshire.

Where does Stoneford 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 Stoneford 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 1997. 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 Stoneford'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 1997. For current results, consult the system's annual water quality report, EPA ECHO, or the NH state drinking water program.

Where can I find Stoneford's water quality report?

As a community water system, Stoneford must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

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, “Stoneford, PWSID NH2082050, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/stoneford-nh2082050 (data as of October 1, 2026).