MONTREAL, WI · Iron County

MONTREAL WATERWORKS Water System

Current status

1 item on record is 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): WI8260121
System type: Community Water System
Population served: 887
Service connections: 190
Ownership: local government
Water source: groundwater (wells)

Violation history

Failure To Address Deficiency
Health-based
Groundwater Rule
May 2, 2018 – November 2, 2018
Resolved
Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
April 16, 2016 – May 13, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 8, 2016 – April 14, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 1, 2011
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Benzene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Toluene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Styrene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Styrene
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1995 – December 31, 1995
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1993 – November 30, 1993
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
May 2, 2018 – November 2, 2018	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
April 16, 2016 – May 13, 2016	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
February 8, 2016 – April 14, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Benzene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Toluene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Styrene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	Styrene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Ethylbenzene	—	Resolved
November 1, 1993 – November 30, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

September 25, 2024State Compliance achieved1 linked violation
December 1, 2023State Public Notification received1 linked violation
October 30, 2023State Public Notification requested1 linked violation
October 30, 2023State Violation/Reminder Notice1 linked violation
May 9, 2023State Violation/Reminder Notice1 linked violation
May 4, 2023State Compliance achieved1 linked violation
July 20, 2018State Public Notification received5 linked violations
April 14, 2017State Compliance achieved2 linked violations
March 29, 2017State Violation/Reminder Notice2 linked violations
September 1, 2016State Compliance achieved5 linked violations
May 13, 2016State Compliance achieved2 linked violations
May 9, 2016State Violation/Reminder Notice2 linked violations
March 17, 2016State Violation/Reminder Notice2 linked violations
March 17, 2016State Public Notification requested3 linked violations
September 17, 2015State Public Notification requested2 linked violations
October 8, 2013State Public Notification received7 linked violations
June 7, 2012State Public Notification received8 linked violations
June 7, 2012State Public Notification received5 linked violations
December 14, 2011State Compliance achieved7 linked violations
October 19, 2011State Public Notification requested10 linked violations
September 29, 2011Federal Compliance achieved3 linked violations
August 27, 2010Federal Final Administrative Order issued3 linked violations
January 21, 2009State Violation/Reminder Notice38 linked violations
February 23, 2004State Public Notification requested36 linked violations
June 6, 1996State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 26, 1996State no additional Formal Action needed241 linked violations
March 11, 1996State Public Notification received605 linked violations
February 1, 1994State Compliance achieved1 linked violation
December 14, 1993State Public Notification received1 linked violation
December 2, 1993State Other1 linked violation
November 29, 1993State Public Notification issued1 linked violation
November 18, 1993State Violation/Reminder Notice1 linked violation
November 18, 1993State Public Notification requested1 linked violation

Contact

MONTREAL CITY ATTN CLERK

Phone not on record

MONTREAL, WI 54550-9701