FOND DU LAC, WI · Fond du Lac County

MARY HILL PARK SANITARY DIST Water System

Current status

No open violations on record as of July 4, 2026.

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): WI4200465
System type: Community Water System
Population served: 65
Service connections: 23
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – June 19, 2013
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2007 – March 31, 2007
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
July 1, 2006 – February 22, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2002 – September 30, 2002
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2002 – September 30, 2002
Archived
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
January 19, 2000 – February 10, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2000 – May 9, 2007
Resolved
Monitoring, Check/Repeat/Confirmation
—
Combined Radium (-226 and -228)
October 21, 1996 – November 30, 1996
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1993 – December 31, 1993
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 1991 – November 30, 1991
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 1983 – September 30, 1987
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
July 1, 2011 – June 19, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Archived
July 1, 2006 – February 22, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
June 1, 2004 – June 30, 2004	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2002 – September 30, 2002	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2002 – September 30, 2002	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 19, 2000 – February 10, 2006	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2000 – May 9, 2007	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 21, 1996 – November 30, 1996	Monitoring, Check/Repeat/Confirmation	Combined Radium (-226 and -228)	—	Resolved
December 1, 1993 – December 31, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 1991 – November 30, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
October 1, 1983 – September 30, 1987	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

May 15, 2025State Public Notification received1 linked violation
October 17, 2024State Compliance achieved1 linked violation
February 29, 2012State Other5 linked violations
May 9, 2007State Compliance achieved3 linked violations
May 9, 2007State Compliance achieved31 linked violations
May 9, 2007State Compliance achieved6 linked violations
May 9, 2007State Compliance achieved5 linked violations
May 9, 2007State Compliance achieved6 linked violations
April 25, 2007State Compliance achieved8 linked violations
December 22, 2006State Compliance achieved28 linked violations
October 23, 2006State Compliance achieved4 linked violations
February 10, 2006Federal Compliance achieved6 linked violations
December 7, 2004State Compliance achieved36 linked violations
March 24, 2004State Public Notification requested86 linked violations
October 13, 2003State Administrative/Compliance Order without penalty issued22 linked violations
May 5, 2003State Compliance achieved113 linked violations
December 4, 2002State Public Notification requested95 linked violations
January 24, 1994State Public Notification received1 linked violation
January 5, 1994State Violation/Reminder Notice1 linked violation
January 5, 1994State Public Notification requested1 linked violation
January 1, 1994State Compliance achieved1 linked violation
January 24, 1992State Public Notification requested6 linked violations

Contact

SCHNEIDER, DYLAN

Phone not on record

FOND DU LAC, WI 54937