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Public water system · NH0088040

Active

The Refinery

At a glance

The Refinery (PWSID NH0088040) is an active transient non-community water system in Merrimack County, New Hampshire. It reports serving 200 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2022.

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

PWSIDNH0088040
System typeTransient non-community water system
Activity statusActive
Population served200
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNH state drinking water program
City servedAndover
StateNew Hampshire
ZIP—
CountyMerrimack County

How does The Refinery compare with other water systems in Merrimack County?

By EPA's size categories, The Refinery is a very small system (500 people or fewer). Merrimack County has 244 active public water systems. Its population served is about 61% below 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 transient non-community water system reports serving 144 people, so The Refinery 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 The Refinery?

EPA lists The Refinery 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 The Refinery have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2022. The violations listed here began between August 2021 and December 2022. By type: 2 reporting and 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 4 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
2022-12-07ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2022-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-09-09ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2021-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

All 4 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.

The Refinery: frequently asked questions

Who runs The Refinery?

The Refinery (PWSID NH0088040) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.

How many people does The Refinery serve?

The Refinery reports serving 200 people through 1 service connection in Merrimack County, New Hampshire.

Where does The Refinery 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 The Refinery have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2022. 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 The Refinery'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 4 violations for this system; none is health-based, and the most recent began in December 2022. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find The Refinery's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. The Refinery 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 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, “The Refinery, PWSID NH0088040, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/the-refinery-nh0088040 (data as of October 1, 2026).