Watertown, MN · Anoka County

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

System facts

System ID (PWSID): MN1020005
System type: Community Water System
Population served: 500
Service connections: 163
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2017 – September 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2012 – September 30, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – December 31, 2009
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2017 – September 30, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2009 – December 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

October 30, 2017State Formal Notice of Violation issued4 linked violations
October 28, 2014State Public Notification requested2 linked violations
October 28, 2014State Formal Notice of Violation issued2 linked violations
October 27, 2014State Compliance achieved2 linked violations
March 6, 2013State Public Notification received1 linked violation
February 5, 2013State Formal Notice of Violation issued1 linked violation
February 5, 2013State Public Notification requested3 linked violations
November 23, 2012State Public Notification received1 linked violation
November 16, 2012State Formal Notice of Violation issued2 linked violations
November 16, 2012State Public Notification requested2 linked violations
November 1, 2012State Violation/Reminder Notice1 linked violation
November 1, 2012State Compliance achieved1 linked violation
October 30, 2012State Public Notification requested1 linked violation
October 30, 2012State Formal Notice of Violation issued1 linked violation
October 30, 2012State Compliance achieved1 linked violation
September 26, 2012State Violation/Reminder Notice1 linked violation
September 11, 2012State Violation/Reminder Notice2 linked violations
November 8, 2010State Compliance achieved5 linked violations
October 21, 2010State Public Notification requested2 linked violations
October 21, 2010State Formal Notice of Violation issued2 linked violations
March 22, 2010State Public Notification received1 linked violation
February 24, 2010State Public Notification requested3 linked violations
December 31, 1999State Compliance achieved1 linked violation
January 10, 1997State Formal Notice of Violation issued1 linked violation
December 1, 1996State Violation/Reminder Notice1 linked violation
November 1, 1996State Violation/Reminder Notice1 linked violation
January 15, 1994State Violation/Reminder Notice1 linked violation
January 15, 1994State Formal Notice of Violation issued1 linked violation
January 15, 1994State Public Notification requested1 linked violation
May 15, 1992State Boil Water Order1 linked violation
May 15, 1992State Violation/Reminder Notice1 linked violation
May 15, 1992State Compliance achieved1 linked violation
May 15, 1992State Compliance Meeting conducted1 linked violation
May 15, 1992State Technical Assistance Visit1 linked violation
May 15, 1992State Site Visit for enforcement purposes1 linked violation
May 15, 1992State Public Notification requested1 linked violation
May 15, 1992State Public Notification received1 linked violation
May 15, 1992State Formal Notice of Violation issued1 linked violation

Contact

GreyStone LLC c/o Sara Griffith

6126180946

Watertown, MN 55388