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Public water system · WI7370400

Active

Lisas at Lakeside

At a glance

Lisas at Lakeside (PWSID WI7370400) is an active transient non-community water system in Marathon County, Wisconsin. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; all are health-based, and the most recent began in May 2015.

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

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI7370400
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedHatley
StateWisconsin
ZIP—
CountyMarathon County

How does Lisas at Lakeside compare with other water systems in Marathon County?

By EPA's size categories, Lisas at Lakeside is a very small system (500 people or fewer). Marathon County has 196 active public water systems. Its population served is well below the county average of 528 people per system, and accounts for less than 0.1% of the 103,490 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 Lisas at Lakeside is well 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 Lisas at Lakeside?

EPA lists Lisas at Lakeside 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. 149 of the 196 active systems in Marathon County (76%) are also privately owned.

Does Lisas at Lakeside have drinking water violations?

EPA's records list 2 violations for this system; all are health-based, and the most recent began in May 2015. The violations listed here began between September 1995 and May 2015. 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 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
2015-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1995-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Lisas at Lakeside: frequently asked questions

Who runs Lisas at Lakeside?

Lisas at Lakeside (PWSID WI7370400) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Lisas at Lakeside serve?

Lisas at Lakeside reports serving 25 people through 1 service connection in Marathon County, Wisconsin.

Where does Lisas at Lakeside 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 Lisas at Lakeside 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 2015. 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 Lisas at Lakeside'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 2015. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Lisas at Lakeside's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Lisas at Lakeside 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 Marathon County

Water systemCountyPopulation servedTypeSource
Wausau WaterworksMarathon39,994CommunityGroundwater
Weston Municipal UtilitiesMarathon16,000CommunityGroundwater
Kronenwetter Water & Sewer UtilityMarathon6,931CommunityGroundwater
Rib Mountain Water UtilityMarathon6,398CommunityGroundwater
Mosinee WaterworksMarathon3,406CommunityGroundwater
Rothschild WaterworksMarathon3,190CommunityGroundwater

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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, “Lisas at Lakeside, PWSID WI7370400, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/lisas-at-lakeside-wi7370400 (data as of October 1, 2026).