PEWAUKEE CITY WATER AND SEWER UTILITY

PWSID: WI2680214 · Pewaukee, WI · Serves 8,671 people

According to EPA Safe Drinking Water Information System (SDWIS), PEWAUKEE CITY WATER AND SEWER UTILITY (PWSID WI2680214) in Pewaukee, WI is listed as a CWS water system covering about 8,671 people. The same extract lists 55 health-based violation records spanning 2013-2025. Those 55 health-based rows for PEWAUKEE CITY WATER AND SEWER UTILITY cover contaminants such as Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228); they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

PEWAUKEE CITY WATER AND SEWER UTILITY has 55 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
8,671
Health-Based Violation Records
55
Distinct Contaminant Codes
2
Source Type
Groundwater

PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228). Recorded violations span 2013–2025. Day-to-day primacy enforcement for this system runs through the Wisconsin drinking-water program, not EPA directly.

A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Wisconsin state drinking-water program's public portal.

System Details

EPA ID (PWSID)
WI2680214
System Type
CWS
Water Source
Groundwater
Location
Pewaukee, WI
Population Served
8,671
Health Violations
Yes (55)

What contaminants are in this water system?

Contaminant Violations Health-Based
Gross Alpha, Excl. Radon and U 28 28
Combined Radium (-226 and -228) 27 27

Violation History (55)

Contaminant Health Date
Gross Alpha, Excl. Radon and U Yes Oct 1, 2025
Gross Alpha, Excl. Radon and U Yes Oct 1, 2025
Gross Alpha, Excl. Radon and U Yes Jul 1, 2025
Gross Alpha, Excl. Radon and U Yes Apr 1, 2025
Gross Alpha, Excl. Radon and U Yes Apr 1, 2025
Gross Alpha, Excl. Radon and U Yes Jan 1, 2025
Gross Alpha, Excl. Radon and U Yes Jan 1, 2025
Gross Alpha, Excl. Radon and U Yes Oct 1, 2024
Gross Alpha, Excl. Radon and U Yes Oct 1, 2024
Gross Alpha, Excl. Radon and U Yes Oct 1, 2024
Gross Alpha, Excl. Radon and U Yes Oct 1, 2024
Gross Alpha, Excl. Radon and U Yes Jul 1, 2024
Gross Alpha, Excl. Radon and U Yes Jul 1, 2024
Gross Alpha, Excl. Radon and U Yes Jul 1, 2024
Gross Alpha, Excl. Radon and U Yes Apr 1, 2024
Gross Alpha, Excl. Radon and U Yes Apr 1, 2024
Gross Alpha, Excl. Radon and U Yes Apr 1, 2024
Gross Alpha, Excl. Radon and U Yes Jan 1, 2024
Gross Alpha, Excl. Radon and U Yes Jan 1, 2024
Gross Alpha, Excl. Radon and U Yes Jan 1, 2024
Gross Alpha, Excl. Radon and U Yes Oct 1, 2023
Gross Alpha, Excl. Radon and U Yes Oct 1, 2023
Gross Alpha, Excl. Radon and U Yes Oct 1, 2023
Combined Radium (-226 and -228) Yes Jul 1, 2019
Combined Radium (-226 and -228) Yes Jul 1, 2019
Combined Radium (-226 and -228) Yes Jul 1, 2019
Combined Radium (-226 and -228) Yes Jul 1, 2019
Combined Radium (-226 and -228) Yes Jul 1, 2019
Combined Radium (-226 and -228) Yes Apr 1, 2018
Combined Radium (-226 and -228) Yes Apr 1, 2018
Combined Radium (-226 and -228) Yes Jan 1, 2018
Combined Radium (-226 and -228) Yes Jan 1, 2018
Combined Radium (-226 and -228) Yes Oct 1, 2017
Combined Radium (-226 and -228) Yes Oct 1, 2017
Combined Radium (-226 and -228) Yes Oct 1, 2017
Combined Radium (-226 and -228) Yes Jul 1, 2017
Combined Radium (-226 and -228) Yes Jul 1, 2017
Combined Radium (-226 and -228) Yes Jul 1, 2017
Combined Radium (-226 and -228) Yes Apr 1, 2017
Combined Radium (-226 and -228) Yes Apr 1, 2017
Combined Radium (-226 and -228) Yes Apr 1, 2017
Combined Radium (-226 and -228) Yes Jan 1, 2017
Combined Radium (-226 and -228) Yes Jan 1, 2017
Combined Radium (-226 and -228) Yes Jan 1, 2017
Combined Radium (-226 and -228) Yes Oct 1, 2015
Combined Radium (-226 and -228) Yes Oct 1, 2015
Combined Radium (-226 and -228) Yes Jul 1, 2015
Combined Radium (-226 and -228) Yes Jul 1, 2015
Combined Radium (-226 and -228) Yes Apr 1, 2015
Combined Radium (-226 and -228) Yes Apr 1, 2015
Gross Alpha, Excl. Radon and U Yes Oct 1, 2014
Gross Alpha, Excl. Radon and U Yes Jul 1, 2014
Gross Alpha, Excl. Radon and U Yes Apr 1, 2014
Gross Alpha, Excl. Radon and U Yes Jan 1, 2014
Gross Alpha, Excl. Radon and U Yes Oct 1, 2013

Frequently Asked Questions

What does EPA SDWIS list for PEWAUKEE CITY WATER AND SEWER UTILITY?
PEWAUKEE CITY WATER AND SEWER UTILITY has 55 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses groundwater water as its source.
How many people does PEWAUKEE CITY WATER AND SEWER UTILITY serve?
PEWAUKEE CITY WATER AND SEWER UTILITY serves 8,671 people in Pewaukee, WI. It is classified as a CWS water system.
What violations does PEWAUKEE CITY WATER AND SEWER UTILITY have?
PEWAUKEE CITY WATER AND SEWER UTILITY has 55 health-based violation records in PlainEnviro's extract spanning 2013–2025. Monitoring and reporting records are not included.
What contaminants have been found in PEWAUKEE CITY WATER AND SEWER UTILITY water?
Violations have been recorded for 2 contaminants. The most frequent: Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228).

Compare beyond Wisconsin

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest PEWAUKEE CITY WATER AND SEWER UTILITY on cumulative violation count (55) and EPA-reported population served (8,671). Violation-count peers include HACKETT WATERWORKS, GIBSON, WESTPORT WATER COMPANY. Population peers include MARBURY WATER SYSTEM, INC., ARLEY WATER WORKS, TOWN OF ORANGE PARK.

About This Data

PEWAUKEE CITY WATER AND SEWER UTILITY (WI2680214) is drawn from EPA SDWIS. Nearby county systems in this extract include MENOMONEE FALLS WW - SURFACE WATER; HARTLAND WATERWORKS; PEWAUKEE VILLAGE WATERWORKS; TOWN OF BROOKFIELD SAN DIST 4. Health-based rows (55 MCL/TT) are historical registry state, not a current drinkability score.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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