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Public water system · NH0043020

Active

Olde Towne

At a glance

Olde Towne (PWSID NH0043020) is an active community water system in Merrimack County, New Hampshire. It reports serving 243 people through 97 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, 10 are health-based, and the most recent began in September 2013.

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

Population served

243

Service connections

97

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNH0043020
System typeCommunity water system
Activity statusActive
Population served243
Service connections97
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNH state drinking water program
City servedAllenstown
StateNew Hampshire
ZIP—
CountyMerrimack County

How does Olde Towne compare with other water systems in Merrimack County?

By EPA's size categories, Olde Towne is a very small system (500 people or fewer). Merrimack County has 244 active public water systems. Its population served is about half of the county average of 509 people per system, and accounts for 0.2% of the 124,152 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 Olde Towne 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 Olde Towne?

EPA lists Olde Towne 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. 194 of the 244 active systems in Merrimack County (80%) are also privately owned.

Does Olde Towne have drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in September 2013. The violations listed here began between February 2007 and September 2013. By type: 10 contaminant level above the legal limit, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Combined Uranium (9 of them). EPA lists 12 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
2013-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2010-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2009-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2009-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2009-05-24Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2009-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2009-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2008-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2008-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2008-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2007-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Olde Towne: frequently asked questions

Who runs Olde Towne?

Olde Towne (PWSID NH0043020) is a community water system privately owned. It is regulated by the NH state drinking water program.

How many people does Olde Towne serve?

Olde Towne reports serving 243 people through 97 service connections in Merrimack County, New Hampshire.

Where does Olde Towne 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 Olde Towne have any drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in September 2013. 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 Olde Towne'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, 10 are health-based, and the most recent began in September 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the NH state drinking water program.

Where can I find Olde Towne's water quality report?

As a community water system, Olde Towne 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 Merrimack County

Water systemCountyPopulation servedTypeSource
Concord Water DeptMerrimack44,215CommunitySurface water
Franklin Water WorksMerrimack7,200CommunityGroundwater
Pembroke Water WorksMerrimack5,200CommunityGroundwater
Central Hooksett Water PctMerrimack4,650CommunityPurchased surface water
Penacook Boscawen Water PctMerrimack3,800CommunityGroundwater
New London Springfield WaterMerrimack3,250CommunityGroundwater

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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, “Olde Towne, PWSID NH0043020, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/olde-towne-nh0043020 (data as of October 1, 2026).