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Public water system · WI2680229

Active

Pewaukee Village Waterworks

At a glance

Pewaukee Village Waterworks (PWSID WI2680229) is an active community water system in Waukesha County, Wisconsin. It reports serving 8,166 people through 3,024 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2026.

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

Population served

8,166

Service connections

3,024

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWI2680229
System typeCommunity water system
Activity statusActive
Population served8,166
Service connections3,024
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWI state drinking water program
City servedPewaukee
StateWisconsin
ZIP—
CountyWaukesha County

How does Pewaukee Village Waterworks compare with other water systems in Waukesha County?

By EPA's size categories, Pewaukee Village Waterworks is a medium system (3,301 to 10,000 people). Waukesha County has 589 active public water systems. Its population served is about 15 times the county average of 549 people per system, and accounts for 2.5% of the 323,265 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active community water system reports serving 6,703 people, so Pewaukee Village Waterworks is about 22% above 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 Pewaukee Village Waterworks?

EPA lists Pewaukee Village Waterworks 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. 102 of the 589 active systems in Waukesha County (17%) are also owned by a local government.

Does Pewaukee Village Waterworks have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2026. The violations listed here began between February 2025 and January 2026. By type: 7 public notice, recordkeeping or other and 5 contaminant level above the legal limit. The contaminant or rule involved most often is Public Notice (7 of them). EPA lists 7 as unaddressed and 5 as archived. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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
2026-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesArchived
2025-11-19Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2025-11-19Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2025-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesArchived
2025-09-30Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2025-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesArchived
2025-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesArchived
2025-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesArchived
2025-03-03Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2025-03-03Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2025-02-12Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2025-02-12Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed

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.

Pewaukee Village Waterworks: frequently asked questions

Who runs Pewaukee Village Waterworks?

Pewaukee Village Waterworks (PWSID WI2680229) is a community water system owned by a local government. It is regulated by the WI state drinking water program.

How many people does Pewaukee Village Waterworks serve?

Pewaukee Village Waterworks reports serving 8,166 people through 3,024 service connections in Waukesha County, Wisconsin.

Where does Pewaukee Village Waterworks 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 Pewaukee Village Waterworks have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2026. 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 Pewaukee Village Waterworks' 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, 5 are health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.

Where can I find Pewaukee Village Waterworks' water quality report?

As a community water system, Pewaukee Village Waterworks 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 Waukesha County

Water systemCountyPopulation servedTypeSource
Waukesha Water UtilityWaukesha70,718CommunityPurchased surface water
Brookfield Water UtilityWaukesha29,070CommunityGroundwater
New Berlin Water UtilityWaukesha27,899CommunityPurchased surface water
Menomonee Falls Ww - Surface WaterWaukesha23,867CommunityPurchased surface water
Oconomowoc WaterworksWaukesha15,805CommunityGroundwater
Sussex Village Hall & Water UtilityWaukesha11,750CommunityGroundwater

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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, “Pewaukee Village Waterworks, PWSID WI2680229, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/pewaukee-village-waterworks-wi2680229 (data as of October 1, 2026).