FOWLERVILLE, MI · Livingston County

GREEN BROOK ESTATES Water System

Current status

2 items on record are 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 Michigan’s official records. Always confirm current status with Michigan before making decisions based on this information.

System facts

System ID (PWSID): MI0005395
System type: Community Water System
Population served: 40
Service connections: 29
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2020 – March 31, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2018 – March 31, 2018
Archived
Failure To Address Deficiency
Health-based
Groundwater Rule
August 22, 2016 – April 29, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015
Addressed
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2014 – September 30, 2014
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014
Addressed
Public Notification Violation for NPDWR Violation
—
Public Notice
May 7, 2014 – December 2, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2014 – June 30, 2014
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2013 – September 16, 2014
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Endrin
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Barium
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2013 – December 31, 2013
Resolved

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
January 1, 2020 – March 31, 2020	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
August 22, 2016 – April 29, 2019	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
July 1, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Addressed
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Addressed
May 7, 2014 – December 2, 2014	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2013 – September 16, 2014	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Endrin	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Barium	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Aldicarb sulfone	—	Resolved

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

June 30, 2025State Administrative Penalty assessed1 linked violation
May 7, 2025State Public Notification received3 linked violations
December 29, 2024State Public Notification received3 linked violations
December 6, 2024State Public Notification requested3 linked violations
December 4, 2024State Violation/Reminder Notice2 linked violations
December 4, 2024State Violation/Reminder Notice3 linked violations
November 2, 2023State Violation/Reminder Notice2 linked violations
August 30, 2021State Compliance achieved9 linked violations
August 11, 2021State Public Notification requested5 linked violations
March 31, 2020State Public Notification requested25 linked violations
April 29, 2019State Compliance achieved4 linked violations
April 3, 2019State Violation/Reminder Notice1 linked violation
April 3, 2019State Public Notification requested1 linked violation
March 20, 2019State Public Notification received22 linked violations
November 20, 2018State Consent Decree/Judgement22 linked violations
August 2, 2018State Civil Case filed in State court22 linked violations
April 16, 2018State Public Notification received2 linked violations
January 24, 2018State Public Notification received2 linked violations
December 18, 2017State Compliance achieved1 linked violation
November 6, 2017State Public Notification received2 linked violations
October 6, 2017State Violation/Reminder Notice1 linked violation
October 6, 2017State Public Notification requested1 linked violation
August 14, 2017State Public Notification received2 linked violations
July 17, 2017State Public Notification requested1 linked violation
May 19, 2016State Compliance achieved30 linked violations
May 17, 2016State Compliance achieved2 linked violations
April 25, 2016State Public Notification received94 linked violations
March 30, 2016State Public Notification issued9 linked violations
March 10, 2016State Administrative Penalty assessed22 linked violations
December 10, 2015State Compliance achieved23 linked violations
November 23, 2015State Violation/Reminder Notice1 linked violation
December 2, 2014State Compliance achieved1 linked violation
June 13, 2014State Formal Notice of Violation issued1 linked violation
June 13, 2014State Public Notification requested30 linked violations
April 28, 2014State Public Notification requested2 linked violations
April 28, 2014State Violation/Reminder Notice1 linked violation
April 3, 2014State Violation/Reminder Notice5 linked violations
March 31, 2014State Compliance achieved10 linked violations
March 20, 2014State Compliance achieved11 linked violations
February 3, 2014State Formal Notice of Violation issued61 linked violations
February 3, 2014State Boil Water Order64 linked violations
October 24, 2013State Formal Notice of Violation issued7 linked violations
October 24, 2013State Violation/Reminder Notice12 linked violations
May 31, 2007State Public Notification requested5 linked violations
September 21, 2006State Compliance achieved6 linked violations

Contact

THORNBURGH, WILLIAM K

Phone not on record

FOWLERVILLE, MI 48836