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Public water system · NH2549050

Active

Nesmith Library

At a glance

Nesmith Library (PWSID NH2549050) is an active transient non-community water system in Rockingham County, New Hampshire. It reports serving 200 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2004.

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

Population served

200

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNH2549050
System typeTransient non-community water system
Activity statusActive
Population served200
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNH state drinking water program
City servedWindham
StateNew Hampshire
ZIP—
CountyRockingham County

How does Nesmith Library compare with other water systems in Rockingham County?

By EPA's size categories, Nesmith Library 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 Nesmith Library 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 Nesmith Library?

EPA lists Nesmith Library 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 Nesmith Library have drinking water violations?

EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2004. The violations listed here began between July 1999 and October 2004. By type: 3 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 5 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
2004-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-01-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
1999-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1999-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 5 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.

Nesmith Library: frequently asked questions

Who runs Nesmith Library?

Nesmith Library (PWSID NH2549050) is a transient non-community water system owned by a local government. It is regulated by the NH state drinking water program.

How many people does Nesmith Library serve?

Nesmith Library reports serving 200 people through 1 service connection in Rockingham County, New Hampshire.

Where does Nesmith Library 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 Nesmith Library have any drinking water violations?

EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2004. 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 Nesmith Library'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 5 violations for this system; 2 are health-based, and the most recent began in October 2004. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find Nesmith Library's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Nesmith Library 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, “Nesmith Library, PWSID NH2549050, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/nesmith-library-nh2549050 (data as of October 1, 2026).