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Public water system · NH1932050

Active

Twin Ridge Condos

At a glance

Twin Ridge Condos (PWSID NH1932050) is an active community water system in Rockingham County, New Hampshire. It reports serving 348 people through 139 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in July 2010.

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

Population served

348

Service connections

139

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDNH1932050
System typeCommunity water system
Activity statusActive
Population served348
Service connections139
Primary water sourcePurchased surface water
Owner typePrivate
Primacy agencyNH state drinking water program
City servedPlaistow
StateNew Hampshire
ZIP—
CountyRockingham County

How does Twin Ridge Condos compare with other water systems in Rockingham County?

By EPA's size categories, Twin Ridge Condos is a very small system (500 people or fewer). Rockingham County has 554 active public water systems. Its population served is about 29% 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 community water system reports serving 6,703 people, so Twin Ridge Condos 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 27 New Hampshire systems (1.1%) list purchased surface water as their primary source.

Who owns and regulates Twin Ridge Condos?

EPA lists Twin Ridge Condos 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 Twin Ridge Condos have drinking water violations?

EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in July 2010. The violations listed here began between August 1994 and July 2010. By type: 2 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as archived and 1 as resolved. 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. 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
2010-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
1995-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1994-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

All 3 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.

Twin Ridge Condos: frequently asked questions

Who runs Twin Ridge Condos?

Twin Ridge Condos (PWSID NH1932050) is a community water system privately owned. It is regulated by the NH state drinking water program.

How many people does Twin Ridge Condos serve?

Twin Ridge Condos reports serving 348 people through 139 service connections in Rockingham County, New Hampshire.

Where does Twin Ridge Condos get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Twin Ridge Condos have any drinking water violations?

EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in July 2010. 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 Twin Ridge Condos' 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 3 violations for this system; 2 are health-based, and the most recent began in July 2010. For current results, consult the system's annual water quality report, EPA ECHO, or the NH state drinking water program.

Where can I find Twin Ridge Condos' water quality report?

As a community water system, Twin Ridge Condos 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, “Twin Ridge Condos, PWSID NH1932050, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/twin-ridge-condos-nh1932050 (data as of October 1, 2026).