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Public water system · WI2650260

Active

Wi Dot Rest Area 36 Lafayette

At a glance

Wi Dot Rest Area 36 Lafayette (PWSID WI2650260) is an active transient non-community water system in Walworth County, Wisconsin. It reports serving 800 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; all are health-based, and the most recent began in May 2004.

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

Population served

800

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI2650260
System typeTransient non-community water system
Activity statusActive
Population served800
Service connections1
Primary water sourceGroundwater
Owner typeState government
Primacy agencyWI state drinking water program
City servedElkhorn
StateWisconsin
ZIP—
CountyWalworth County

How does Wi Dot Rest Area 36 Lafayette compare with other water systems in Walworth County?

By EPA's size categories, Wi Dot Rest Area 36 Lafayette is a small system (501 to 3,300 people). Walworth County has 252 active public water systems. Its population served is about twice the county average of 380 people per system, and accounts for 0.8% of the 95,693 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 Wi Dot Rest Area 36 Lafayette is about 5.6 times 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 Wi Dot Rest Area 36 Lafayette?

EPA lists Wi Dot Rest Area 36 Lafayette as owned by a state 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. 8 of the 252 active systems in Walworth County (3.2%) are also owned by a state government.

Does Wi Dot Rest Area 36 Lafayette have drinking water violations?

EPA's records list 2 violations for this system; all are health-based, and the most recent began in May 2004. The violations listed here began between July 1991 and May 2004. By type: 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2004-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1991-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

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.

Wi Dot Rest Area 36 Lafayette: frequently asked questions

Who runs Wi Dot Rest Area 36 Lafayette?

Wi Dot Rest Area 36 Lafayette (PWSID WI2650260) is a transient non-community water system owned by a state government. It is regulated by the WI state drinking water program.

How many people does Wi Dot Rest Area 36 Lafayette serve?

Wi Dot Rest Area 36 Lafayette reports serving 800 people through 1 service connection in Walworth County, Wisconsin.

Where does Wi Dot Rest Area 36 Lafayette 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 Wi Dot Rest Area 36 Lafayette have any drinking water violations?

EPA's records list 2 violations for this system; all are health-based, and the most recent began in May 2004. 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 Wi Dot Rest Area 36 Lafayette'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; all are health-based, and the most recent began in May 2004. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Wi Dot Rest Area 36 Lafayette's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Wi Dot Rest Area 36 Lafayette 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 Walworth County

Water systemCountyPopulation servedTypeSource
Whitewater WaterworksWalworth14,000CommunityGroundwater
Elkhorn WaterworksWalworth10,317CommunityGroundwater
Delavan WaterworksWalworth9,028CommunityGroundwater
Lake Geneva Utility CommissionWalworth7,107CommunityGroundwater
East Troy WaterworksWalworth5,054CommunityGroundwater
Bloomfield, Village ofWalworth4,071CommunityGroundwater

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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, “Wi Dot Rest Area 36 Lafayette, PWSID WI2650260, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wi-dot-rest-area-36-lafayette-wi2650260 (data as of October 1, 2026).