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Public water system · 055295201

Active

Stone Lake Community

At a glance

Stone Lake Community (PWSID 055295201) is an active community water system in Wisconsin. It reports serving 851 people through 109 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2024.

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

Population served

851

Service connections

109

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSID055295201
System typeCommunity water system
Activity statusActive
Population served851
Service connections109
Primary water sourceGroundwater
Owner typeNative American
Primacy agencyEPA Region 05
City served—
StateWisconsin
ZIP—
County—

How does Stone Lake Community compare with other water systems in Wisconsin?

By EPA's size categories, Stone Lake Community is a small system (501 to 3,300 people). Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active community water system reports serving 6,703 people, so Stone Lake Community is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Wisconsin has 1,053 active community water systems, 9.5% 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 Stone Lake Community?

EPA lists Stone Lake Community as Native American-owned. The EPA Region 05 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.

Does Stone Lake Community have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2024. The violations listed here began between September 2010 and January 2024. By type: 11 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrite (2 of them). EPA lists 12 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
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Cyanidecode 1024NoResolved
2024-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylene dibromide (EDB)code 2946NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
2010-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

The 12 most recent 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.

Stone Lake Community: frequently asked questions

Who runs Stone Lake Community?

Stone Lake Community (PWSID 055295201) is a community water system Native American-owned. It is regulated by the EPA Region 05.

How many people does Stone Lake Community serve?

Stone Lake Community reports serving 851 people through 109 service connections in Wisconsin.

Where does Stone Lake Community 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 Stone Lake Community have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2024. 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 Stone Lake Community'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the EPA Region 05.

Where can I find Stone Lake Community's water quality report?

As a community water system, Stone Lake Community must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Wisconsin

Water systemCountyPopulation servedTypeSource
Milwaukee WaterworksMilwaukee626,000CommunitySurface water
Madison Water UtilityDane272,000CommunityGroundwater
Green Bay WaterworksBrown107,369CommunitySurface water
Racine WaterworksRacine105,100CommunitySurface water
Kenosha Water UtilityKenosha99,218CommunitySurface water
Appleton WaterworksOutagamie74,511CommunitySurface 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, “Stone Lake Community, PWSID 055295201, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/stone-lake-community-055295201 (data as of October 1, 2026).