SPRING VALLEY, WI · Dunn County

SHADY OAKS MHP 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): WI6170445
System type: Community Water System
Population served: 40
Service connections: 23
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025 – July 16, 2025
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 1, 2020 – February 23, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 1, 2020 – February 23, 2022
Resolved
Monitoring, Regular
—
Radium-226
April 1, 2019 – June 30, 2019
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015
Addressed
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2011 – May 31, 2011
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
March 1, 2011 – July 16, 2018
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2010 – December 31, 2010
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
December 1, 2010 – July 16, 2018
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2010 – September 30, 2010
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
July 1, 2010 – July 16, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 1, 2010 – July 16, 2018
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2010 – April 30, 2010
Archived
Monitoring, Regular
—
Nitrate
April 1, 2010 – June 30, 2010
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2010 – February 28, 2010
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
December 1, 2009 – July 16, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 1, 2009 – July 16, 2018
Resolved
Monitoring, Regular
—
Chromium
January 1, 2009 – December 31, 2009
Archived
Monitoring, Regular
—
Selenium
January 1, 2009 – December 31, 2009
Archived
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2009 – December 31, 2009
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2009 – December 31, 2009
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)Addressed corrective action reported, pending final confirmation

Period	Violation	Contaminant / rule	Health-based	Status
July 2, 2025 – July 16, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Resolved
October 1, 2020 – February 23, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2020 – February 23, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2019 – June 30, 2019	Monitoring, Regular	Radium-226	—	Archived
July 1, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Addressed
May 1, 2011 – May 31, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 2011 – July 16, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2010 – December 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 2010 – July 16, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Nitrate	—	Archived
July 1, 2010 – July 16, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2010 – July 16, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2010 – April 30, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 2010 – June 30, 2010	Monitoring, Regular	Nitrate	—	Archived
February 1, 2010 – February 28, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 2009 – July 16, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 1, 2009 – July 16, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Chromium	—	Archived
January 1, 2009 – December 31, 2009	Monitoring, Regular	Selenium	—	Archived
January 1, 2009 – December 31, 2009	Monitoring, Regular	Nitrate-Nitrite	—	Archived
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2-Dichloropropane	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)Addressed corrective action reported, pending final confirmation

Enforcement actions

July 16, 2025State Compliance achieved1 linked violation
February 17, 2023State Compliance achieved1 linked violation
February 17, 2023State Compliance achieved1 linked violation
February 17, 2023State Compliance achieved1 linked violation
February 16, 2023State Consent Decree/Judgement5 linked violations
February 16, 2023State Consent Decree/Judgement1 linked violation
February 16, 2023State Consent Decree/Judgement1 linked violation
February 16, 2023State Consent Decree/Judgement1 linked violation
February 16, 2023State Consent Decree/Judgement1 linked violation
February 16, 2023State Consent Decree/Judgement1 linked violation
February 16, 2023State Consent Decree/Judgement1 linked violation
February 16, 2023State Consent Decree/Judgement2 linked violations
February 16, 2023State Consent Decree/Judgement1 linked violation
February 16, 2023State Consent Decree/Judgement1 linked violation
February 16, 2023State Consent Decree/Judgement1 linked violation
February 16, 2023State Consent Decree/Judgement1 linked violation
November 1, 2022State Civil Case filed in State court1 linked violation
June 17, 2022State Public Notification received1 linked violation
February 23, 2022State Public Notification received1 linked violation
February 23, 2022State Compliance achieved1 linked violation
February 23, 2022State Public Notification received5 linked violations
February 23, 2022State Compliance achieved1 linked violation
February 23, 2022State Compliance achieved1 linked violation
February 23, 2022State Public Notification received1 linked violation
February 23, 2022State Public Notification received1 linked violation
February 14, 2022State Violation/Reminder Notice1 linked violation
September 14, 2021State Compliance achieved1 linked violation
August 25, 2021State Compliance achieved1 linked violation
April 9, 2021State Compliance achieved3 linked violations
March 19, 2021State Formal Notice of Violation issued1 linked violation
March 19, 2021State Formal Notice of Violation issued1 linked violation
March 19, 2021State Formal Notice of Violation issued1 linked violation
March 25, 2020State Compliance achieved1 linked violation
March 11, 2020State Formal Notice of Violation issued8 linked violations
March 11, 2020State Formal Notice of Violation issued4 linked violations
July 19, 2019State Compliance achieved2 linked violations
July 15, 2019State Public Notification received2 linked violations
March 15, 2019State Formal Notice of Violation issued1 linked violation
March 15, 2019State Formal Notice of Violation issued1 linked violation
March 15, 2019State Formal Notice of Violation issued2 linked violations
January 31, 2019State Formal Notice of Violation issued1 linked violation
January 31, 2019State Administrative/Compliance Order without penalty issued1 linked violation
January 31, 2019State Compliance Meeting conducted1 linked violation
January 31, 2019State Public Notification received1 linked violation
December 5, 2018State Compliance achieved1 linked violation
September 25, 2018State Public Notification received2 linked violations
July 23, 2018State Public Notification received3 linked violations
July 23, 2018State Compliance achieved1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received13 linked violations
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received21 linked violations
July 16, 2018State Public Notification received2 linked violations
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Compliance achieved1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
July 16, 2018State Public Notification received1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice21 linked violations
June 25, 2018State Public Notification requested21 linked violations
June 25, 2018State Violation/Reminder Notice2 linked violations
June 25, 2018State Public Notification requested2 linked violations
June 25, 2018State Public Notification requested3 linked violations
June 25, 2018State Violation/Reminder Notice3 linked violations
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice13 linked violations
June 25, 2018State Public Notification requested13 linked violations
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested3 linked violations
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice2 linked violations
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice2 linked violations
June 25, 2018State Violation/Reminder Notice4 linked violations
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested2 linked violations
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
June 25, 2018State Violation/Reminder Notice1 linked violation
June 25, 2018State Public Notification requested1 linked violation
March 9, 2018State Other2 linked violations
December 23, 2016State Formal Notice of Violation issued1 linked violation
August 29, 2016State Public Notification received1 linked violation
August 29, 2016State Compliance achieved1 linked violation
August 29, 2016State Public Notification received1 linked violation
July 18, 2016State Compliance achieved2 linked violations
July 15, 2016State Public Notification received1 linked violation
July 8, 2016State Formal Notice of Violation issued1 linked violation
July 8, 2016State Formal Notice of Violation issued1 linked violation
July 2, 2016State Compliance Meeting conducted1 linked violation
July 2, 2016State Compliance Meeting conducted1 linked violation
April 27, 2016State Compliance achieved3 linked violations
February 25, 2016State Compliance achieved1 linked violation
January 22, 2016State Formal Notice of Violation issued1 linked violation
January 22, 2016State Formal Notice of Violation issued1 linked violation
January 22, 2016State Formal Notice of Violation issued3 linked violations
December 31, 2015State Compliance achieved1 linked violation
July 7, 2015State Administrative/Compliance Order without penalty issued1 linked violation
July 7, 2015State Administrative/Compliance Order without penalty issued1 linked violation
January 15, 2015State Administrative/Compliance Order without penalty issued4 linked violations
December 3, 2014State Other1 linked violation
April 26, 2014State Public Notification received2 linked violations
April 16, 2014State Violation/Reminder Notice1 linked violation
April 16, 2014State Public Notification requested1 linked violation
April 15, 2014State Other1 linked violation
January 8, 2014State Compliance achieved1 linked violation
January 8, 2014State Compliance achieved1 linked violation
June 11, 2013State Formal Notice of Violation issued3 linked violations
March 1, 2013State Public Notification requested3 linked violations
February 6, 2013State Public Notification requested2 linked violations
June 13, 2012State Other3 linked violations
March 16, 2012State Other3 linked violations
February 24, 2012State Other3 linked violations
October 19, 2011State Other2 linked violations
September 23, 2011State Compliance achieved4 linked violations
September 13, 2011State Other3 linked violations
September 9, 2011State Civil Case concluded3 linked violations
September 2, 2011State Compliance achieved1 linked violation
September 1, 2011State Injunction1 linked violation
September 1, 2011State Injunction1 linked violation
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Intentional no-action3 linked violations
September 1, 2011State Intentional no-action2 linked violations
September 1, 2011State Intentional no-action2 linked violations
September 1, 2011State Intentional no-action4 linked violations
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Injunction5 linked violations
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Civil Case concluded3 linked violations
September 1, 2011State Civil Case concluded4 linked violations
September 1, 2011State Injunction2 linked violations
September 1, 2011State Injunction1 linked violation
September 1, 2011State Injunction2 linked violations
September 1, 2011State Injunction2 linked violations
September 1, 2011State Civil Case concluded1 linked violation
September 1, 2011State Injunction1 linked violation
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Civil Case concluded3 linked violations
September 1, 2011State Civil Case concluded3 linked violations
September 1, 2011State Injunction2 linked violations
September 1, 2011State Injunction2 linked violations
September 1, 2011State Injunction2 linked violations
September 1, 2011State Civil Case concluded3 linked violations
September 1, 2011State Injunction3 linked violations
September 1, 2011State Injunction3 linked violations
September 1, 2011State Civil Case concluded3 linked violations
September 1, 2011State Injunction25 linked violations
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Injunction2 linked violations
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Injunction23 linked violations
September 1, 2011State Civil Case concluded4 linked violations
September 1, 2011State Injunction4 linked violations
September 1, 2011State Civil Case concluded5 linked violations
September 1, 2011State Civil Case concluded15 linked violations
September 1, 2011State Injunction15 linked violations
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Civil Case concluded1 linked violation
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Injunction1 linked violation
September 1, 2011State Civil Case concluded2 linked violations
September 1, 2011State Civil Case concluded1 linked violation
September 1, 2011State Injunction1 linked violation
September 1, 2011State Injunction4 linked violations
September 1, 2011State Injunction2 linked violations
August 23, 2011State Other3 linked violations
July 27, 2011State Public Notification requested3 linked violations
July 21, 2011State Other3 linked violations
June 29, 2011State Compliance achieved3 linked violations
June 29, 2011State Compliance achieved2 linked violations
June 9, 2011State Violation/Reminder Notice2 linked violations
June 9, 2011State Other2 linked violations
June 9, 2011State Other2 linked violations
June 6, 2011State Other3 linked violations
April 13, 2011State Compliance achieved14 linked violations
April 13, 2011State Compliance achieved2 linked violations
April 7, 2011State Compliance achieved22 linked violations
March 31, 2011State Compliance achieved1 linked violation
March 31, 2011State Compliance achieved1 linked violation
March 31, 2011State Compliance achieved1 linked violation
March 31, 2011State Compliance achieved1 linked violation
March 31, 2011State Compliance achieved2 linked violations
March 31, 2011State Compliance achieved1 linked violation
March 31, 2011State Compliance achieved1 linked violation
March 31, 2011State Compliance achieved2 linked violations
March 31, 2011State Compliance achieved1 linked violation
March 31, 2011State Compliance achieved2 linked violations
March 31, 2011State Compliance achieved2 linked violations
March 31, 2011State Compliance achieved21 linked violations
March 31, 2011State Compliance achieved1 linked violation
March 31, 2011State Compliance achieved1 linked violation
February 22, 2011State Intentional no-action1 linked violation
February 22, 2011State Intentional no-action1 linked violation
February 22, 2011State Intentional no-action1 linked violation
February 22, 2011State Intentional no-action2 linked violations
February 22, 2011State Intentional no-action1 linked violation
February 22, 2011State Intentional no-action1 linked violation
September 17, 2010State Other40 linked violations
September 16, 2010State Other16 linked violations
May 19, 2010State Other44 linked violations
June 30, 2005State Compliance achieved1 linked violation
March 10, 1996State Compliance achieved1 linked violation
March 10, 1996State Compliance achieved2 linked violations
March 10, 1996State Compliance achieved1 linked violation
June 27, 1995State Formal Notice of Violation issued1 linked violation
June 27, 1995State Public Notification requested3 linked violations
June 27, 1995State Public Notification requested1 linked violation
June 27, 1995State Formal Notice of Violation issued1 linked violation
June 27, 1995State Public Notification requested1 linked violation
June 27, 1995State Formal Notice of Violation issued2 linked violations
September 16, 1994State Public Notification requested1 linked violation
September 16, 1994State Violation/Reminder Notice2 linked violations
September 16, 1994State Public Notification requested2 linked violations
September 16, 1994State Violation/Reminder Notice1 linked violation
September 16, 1994State Public Notification requested1 linked violation
September 16, 1994State Violation/Reminder Notice2 linked violations
January 9, 1993State Public Notification requested1 linked violation
January 9, 1993State Violation/Reminder Notice1 linked violation
December 3, 1992State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 1, 1992State Compliance achieved1 linked violation
November 26, 1991State Public Notification received3 linked violations
November 8, 1991State Formal Notice of Violation issued8 linked violations

Contact

HAZELNUT HOLDINGS LLC

Phone not on record

SPRING VALLEY, WI 54767