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Public water system · WI4200522

Active

Columbia Park Restrooms

At a glance

Columbia Park Restrooms (PWSID WI4200522) is an active transient non-community water system in Fond du Lac County, Wisconsin. It reports serving 102 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

102

Service connections

4

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI4200522
System typeTransient non-community water system
Activity statusActive
Population served102
Service connections4
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWI state drinking water program
City servedFond Du Lac
StateWisconsin
ZIP—
CountyFond du Lac County

How does Columbia Park Restrooms compare with other water systems in Fond du Lac County?

By EPA's size categories, Columbia Park Restrooms 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 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 Columbia Park Restrooms is about 29% 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 Columbia Park Restrooms?

EPA lists Columbia Park Restrooms as owned by a local government. 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. 26 of the 207 active systems in Fond du Lac County (13%) are also owned by a local government.

Does Columbia Park Restrooms 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 Columbia Park Restrooms. For the latest compliance status, check EPA ECHO for current compliance history.

Columbia Park Restrooms: frequently asked questions

Who runs Columbia Park Restrooms?

Columbia Park Restrooms (PWSID WI4200522) is a transient non-community water system owned by a local government. It is regulated by the WI state drinking water program.

How many people does Columbia Park Restrooms serve?

Columbia Park Restrooms reports serving 102 people through 4 service connections in Fond du Lac County, Wisconsin.

Where does Columbia Park Restrooms 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 Columbia Park Restrooms have any drinking water violations?

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

Is Columbia Park Restrooms' 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 Columbia Park Restrooms' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Columbia Park Restrooms 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, “Columbia Park Restrooms, PWSID WI4200522, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/columbia-park-restrooms-wi4200522 (data as of October 1, 2026).