Hales Corners, WI · Waukesha County

BROOKFIELD HILLS Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of September 13, 2017. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Waukesha County, WI.

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): WI2680276
System type: Community Water System
Population served: 1,200
Service connections: 376
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Combined Uranium
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Chromium
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1991 – July 31, 1991
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
June 10, 1988 – June 9, 1992
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2009 – June 30, 2009	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Chromium	—	Resolved
July 1, 1991 – July 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
June 10, 1988 – June 9, 1992	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

February 20, 2017State Administrative/Compliance Order without penalty issued1 linked violation
February 20, 2017State Compliance achieved1 linked violation
February 20, 2017State Administrative/Compliance Order without penalty issued1 linked violation
February 20, 2017State Compliance achieved1 linked violation
September 15, 2016State Compliance Meeting conducted1 linked violation
September 15, 2016State Public Notification received1 linked violation
September 15, 2016State Compliance achieved1 linked violation
September 15, 2016State Compliance Meeting conducted1 linked violation
September 15, 2016State Public Notification received1 linked violation
September 15, 2016State Compliance achieved2 linked violations
August 25, 2016State Other1 linked violation
August 25, 2016State Other2 linked violations
July 27, 2016State Other1 linked violation
July 27, 2016State Formal Notice of Violation issued1 linked violation
July 27, 2016State Other2 linked violations
July 27, 2016State Formal Notice of Violation issued1 linked violation
June 27, 2011State Compliance achieved2 linked violations
June 27, 2011State Compliance achieved1 linked violation
August 27, 2010State Public Notification issued14 linked violations
April 8, 2010State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
April 8, 2010State Public Notification issued22 linked violations
April 8, 2010State Public Notification issued4 linked violations
April 8, 2010State Public Notification received1 linked violation
April 8, 2010State Public Notification issued2 linked violations
April 8, 2010State Public Notification received1 linked violation
April 8, 2010State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 15, 2009State Public Notification received1 linked violation
December 15, 2009State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 15, 2009State Public Notification received1 linked violation
December 1, 2009State Public Notification issued1 linked violation
November 19, 2009State Violation/Reminder Notice1 linked violation
November 19, 2009State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 19, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 19, 2009State Public Notification requested1 linked violation
November 19, 2009State Violation/Reminder Notice1 linked violation
November 19, 2009State Public Notification requested1 linked violation
October 26, 2009State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 26, 2009State Public Notification received1 linked violation
October 26, 2009State Public Notification received1 linked violation
October 5, 2009State Public Notification issued1 linked violation
October 5, 2009State Public Notification issued1 linked violation
October 5, 2009State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
October 5, 2009State Public Notification issued23 linked violations
July 28, 2009State Violation/Reminder Notice55 linked violations
July 28, 2009State Violation/Reminder Notice12 linked violations
May 13, 2009State Other1 linked violation
May 13, 2009State Other16 linked violations
May 13, 2009State Othergeneral compliance action — not tied to a specific violation on record
May 12, 2009State Compliance Meeting conducted3 linked violations
March 26, 2009State Public Notification received1 linked violation
March 25, 2009State Public Notification issued2 linked violations
February 3, 2009State Public Notification received26 linked violations

Last known contact on file (system is inactive)

WIMMER, MARC - WIMMER REALTY

Phone not on record

Hales Corners, WI 53130-1368