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Public water system · NH1948130

Active

The Cat Shack

At a glance

The Cat Shack (PWSID NH1948130) is an active transient non-community water system in Grafton County, New Hampshire. It reports serving 100 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2025.

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

Population served

100

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNH1948130
System typeTransient non-community water system
Activity statusActive
Population served100
Service connections1
Primary water sourceGroundwater
Owner typeState government
Primacy agencyNH state drinking water program
City servedPlymouth
StateNew Hampshire
ZIP—
CountyGrafton County

How does The Cat Shack compare with other water systems in Grafton County?

By EPA's size categories, The Cat Shack is a very small system (500 people or fewer). Grafton County has 270 active public water systems. Its population served is well below the county average of 394 people per system, and accounts for less than 0.1% of the 106,236 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 Cat Shack is about 31% below 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 Cat Shack?

EPA lists The Cat Shack as owned by a state 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. 9 of the 270 active systems in Grafton County (3.3%) are also owned by a state government.

Does The Cat Shack have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2025. The violations listed here began between April 2025 and May 2025. By type: 1 reporting and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 2 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
2025-05-12ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2025-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

All 2 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 Cat Shack: frequently asked questions

Who runs The Cat Shack?

The Cat Shack (PWSID NH1948130) is a transient non-community water system owned by a state government. It is regulated by the NH state drinking water program.

How many people does The Cat Shack serve?

The Cat Shack reports serving 100 people through 1 service connection in Grafton County, New Hampshire.

Where does The Cat Shack 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 Cat Shack have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2025. 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 Cat Shack'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 2 violations for this system; none is health-based, and the most recent began in May 2025. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find The Cat Shack's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. The Cat Shack 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 Grafton County

Water systemCountyPopulation servedTypeSource
Lebanon Water DeptGrafton13,600CommunitySurface water
Hanover Water DeptGrafton9,600CommunitySurface water
Plymouth Vlg Water and SewerGrafton6,700CommunityGroundwater
Littleton Water and LightGrafton6,500CommunitySurface water
Bristol Water WorksGrafton3,575CommunityGroundwater
Lincoln Water WorksGrafton3,300CommunitySurface 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, “The Cat Shack, PWSID NH1948130, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/the-cat-shack-nh1948130 (data as of October 1, 2026).