PEWAUKEE, WI · Waukesha County

PEWAUKEE CITY WATER AND SEWER UTILITY Water System

Current status

2 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.

System facts

System ID (PWSID): WI2680214
System type: Community Water System
Population served: 8,671
Service connections: 3,211
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2025 – December 31, 2025
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
August 18, 2025
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 1, 2025 – June 30, 2025
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
November 18, 2024
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2024 – December 31, 2024
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
August 29, 2024 – January 8, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
January 1, 2024 – March 31, 2024
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Toluene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Benzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Mercury
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Nickel
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Radium-226
April 1, 2018 – June 30, 2018
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Archived

Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
August 18, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
July 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
November 18, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
August 29, 2024 – January 8, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
January 1, 2020 – December 31, 2020	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Toluene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Benzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Styrene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Mercury	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Nickel	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

August 19, 2025State Formal Notice of Violation issued1 linked violation
August 19, 2025State Administrative/Compliance Order without penalty issued1 linked violation
August 19, 2025State Administrative/Compliance Order without penalty issued1 linked violation
August 19, 2025State Formal Notice of Violation issued3 linked violations
August 19, 2025State Administrative/Compliance Order without penalty issued1 linked violation
August 19, 2025State Compliance Meeting conducted1 linked violation
June 23, 2025State Public Notification received3 linked violations
June 18, 2025State Administrative/Compliance Order without penalty issued1 linked violation
June 18, 2025State Administrative/Compliance Order without penalty issued3 linked violations
June 18, 2025State Formal Notice of Violation issued1 linked violation
June 18, 2025State Formal Notice of Violation issued1 linked violation
June 18, 2025State Compliance Meeting conducted1 linked violation
March 4, 2025State Administrative/Compliance Order without penalty issued3 linked violations
March 4, 2025State Administrative/Compliance Order without penalty issued2 linked violations
March 4, 2025State Formal Notice of Violation issued1 linked violation
January 8, 2025State Compliance achieved1 linked violation
January 8, 2025State Public Notification received1 linked violation
November 19, 2024State Administrative/Compliance Order without penalty issued5 linked violations
September 27, 2024State Public Notification received4 linked violations
August 30, 2024State Administrative/Compliance Order without penalty issued2 linked violations
August 30, 2024State Formal Notice of Violation issued2 linked violations
July 17, 2024State Administrative/Compliance Order without penalty issued2 linked violations
June 21, 2024State Public Notification received2 linked violations
March 26, 2024State Formal Notice of Violation issued5 linked violations
March 26, 2024State Administrative/Compliance Order without penalty issued4 linked violations
March 26, 2024State Public Notification received7 linked violations
March 26, 2024State Formal Notice of Violation issued2 linked violations
December 12, 2023State Administrative/Compliance Order without penalty issued3 linked violations
September 19, 2022State Public Notification received4 linked violations
December 20, 2021State Public Notification received4 linked violations
June 9, 2021State Public Notification received23 linked violations
May 25, 2021State Compliance achieved14 linked violations
May 25, 2021State Compliance achieved24 linked violations
May 21, 2021State Public Notification requested5 linked violations
May 21, 2021State Violation/Reminder Notice13 linked violations
May 21, 2021State Public Notification requested14 linked violations
May 21, 2021State Violation/Reminder Notice5 linked violations
May 21, 2021State Public Notification requested23 linked violations
March 4, 2021State Compliance achieved4 linked violations
February 2, 2021State Compliance achieved3 linked violations
February 2, 2021State Compliance achieved2 linked violations
February 2, 2021State Compliance achieved3 linked violations
February 2, 2021State Compliance achieved2 linked violations
February 2, 2021State Compliance achieved2 linked violations
February 2, 2021State Compliance achieved2 linked violations
February 2, 2021State Compliance achieved9 linked violations
February 2, 2021State Compliance achieved3 linked violations
February 2, 2021State Compliance achieved3 linked violations
February 2, 2021State Compliance achieved3 linked violations
March 19, 2020State Public Notification received4 linked violations
December 17, 2019State Public Notification received3 linked violations
December 31, 2018State Compliance achieved8 linked violations
December 20, 2018State Public Notification received7 linked violations
December 20, 2018State Public Notification received8 linked violations
October 2, 2018State Compliance achieved10 linked violations
October 2, 2018State Public Notification requested9 linked violations
October 2, 2018State Violation/Reminder Notice7 linked violations
September 26, 2018State Violation/Reminder Notice4 linked violations
June 19, 2018State Compliance achieved7 linked violations
February 27, 2018State Formal Notice of Violation issued3 linked violations
February 27, 2018State Administrative/Compliance Order without penalty issued4 linked violations
February 27, 2018State Administrative/Compliance Order without penalty issued2 linked violations
November 30, 2017State Compliance Meeting conducted3 linked violations
November 30, 2017State Public Notification requested5 linked violations
August 25, 2017State Other10 linked violations
March 20, 2017State Public Notification received7 linked violations
October 8, 2015State Public Notification requested12 linked violations
September 17, 2015State Public Notification issued10 linked violations
December 15, 2014State Public Notification received13 linked violations
December 3, 2014State Formal Notice of Violation issued16 linked violations
November 14, 2014State Other48 linked violations
November 6, 2014State Other30 linked violations

Contact

WAGNER, MAGDELENE - DIRECTOR OF PUBLIC WORKS

Phone not on record

PEWAUKEE, WI 53072