Mankato, MN · Blue Earth County

Stony Creek Well Association Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of April 3, 2018. 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 Blue Earth County, MN.

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 Minnesota’s official records. Always confirm current status with Minnesota before making decisions based on this information.

System facts

System ID (PWSID): MN1070021
System type: Community Water System
Population served: 51
Service connections: 23
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2005 – December 13, 2005
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2009 – June 30, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2005 – December 13, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 26, 2009State Compliance achieved2 linked violations
August 4, 2009State Violation/Reminder Notice1 linked violation
July 29, 2009State Public Notification received1 linked violation
July 14, 2009State Public Notification requested1 linked violation
July 14, 2009State Formal Notice of Violation issued1 linked violation
June 8, 2009State Violation/Reminder Notice1 linked violation
May 19, 2009State Violation/Reminder Notice1 linked violation
December 4, 2008State Public Notification received2 linked violations
November 6, 2008State Formal Notice of Violation issued1 linked violation
November 6, 2008State Public Notification requested1 linked violation
August 29, 2008State Violation/Reminder Notice2 linked violations
December 13, 2005State Compliance achieved1 linked violation
December 2, 2005State Compliance achieved1 linked violation
November 9, 2005State Public Notification received1 linked violation
November 1, 2005State Compliance Meeting conducted2 linked violations
September 30, 1984State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 30, 1984State Compliance achievedgeneral compliance action — not tied to a specific violation on record
September 30, 1983State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 30, 1982State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Last known contact on file (system is inactive)

Stony Creek Welll Association

5073440270

Mankato, MN 56001