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Public water system · WI4200771

Active

The Nuthouse

At a glance

The Nuthouse (PWSID WI4200771) is an active transient non-community water system in Fond du Lac County, Wisconsin. It reports serving 53 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

53

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI4200771
System typeTransient non-community water system
Activity statusActive
Population served53
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedFond Du Lac
StateWisconsin
ZIP—
CountyFond du Lac County

How does The Nuthouse compare with other water systems in Fond du Lac County?

By EPA's size categories, The Nuthouse is a very small system (500 people or fewer). Fond du Lac County has 207 active public water systems. Its population served is well below the county average of 421 people per system, and accounts for less than 0.1% of the 87,145 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so The Nuthouse is about 63% 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. Wisconsin has 9,112 active transient non-community water systems, 82% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.

Who owns and regulates The Nuthouse?

EPA lists The Nuthouse as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 162 of the 207 active systems in Fond du Lac County (78%) are also privately owned.

Does The Nuthouse have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for The Nuthouse. For the latest compliance status, check EPA ECHO for current compliance history.

The Nuthouse: frequently asked questions

Who runs The Nuthouse?

The Nuthouse (PWSID WI4200771) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does The Nuthouse serve?

The Nuthouse reports serving 53 people through 2 service connections in Fond du Lac County, Wisconsin.

Where does The Nuthouse 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 Nuthouse have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is The Nuthouse'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the WI state drinking water program.

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

The annual Consumer Confidence Report requirement applies to community water systems. The Nuthouse 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 Fond du Lac County

Water systemCountyPopulation servedTypeSource
Fond Du Lac WaterworksFond du Lac44,678CommunityGroundwater
Ripon Water UtilityFond du Lac7,716CommunityGroundwater
North Fond Du Lac WaterworksFond du Lac5,414CommunityGroundwater
Campbellsport WaterworksFond du Lac1,825CommunityGroundwater
Oakfield WaterworksFond du Lac1,058CommunityGroundwater
Ashwood Grove EdgewaterFond du Lac1,046CommunityGroundwater

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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 Nuthouse, PWSID WI4200771, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/the-nuthouse-wi4200771 (data as of October 1, 2026).