FOWLERVILLE, MI · Livingston County
GREEN BROOK ESTATES Water System
Consumer Confidence Report status
GREEN BROOK ESTATES must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 item for GREEN BROOK ESTATES that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
GREEN BROOK ESTATES is one of 1,316 community water systems in Michigan in the 500 or fewer people size category, serving 40 people from groundwater.
As of August 1, 2026, its federal record holds 18 entries between 2013 and 2020, of which 1 remains open; none are health-based.
Of the 18, 15 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, inorganic chemicals, and the Consumer Confidence Rule.
Violation history
Monitoring, Regular
—Toxaphene
January 1, 2020 – March 31, 2020
ResolvedMonitoring, Regular
—Aldicarb sulfone
January 1, 2020 – March 31, 2020
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2020 – March 31, 2020
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2020 – March 31, 2020
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2020 – March 31, 2020
ResolvedMonitoring, Regular
—Atrazine
January 1, 2020 – March 31, 2020
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
January 1, 2018 – March 31, 2018
ArchivedMonitoring, Regular
—Arsenic
July 1, 2015 – September 30, 2015
ArchivedMaximum Contaminant Level Violation, Average
Health-basedArsenic
July 1, 2014 – September 30, 2014
ArchivedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014
AddressedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2013 – September 16, 2014
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
October 1, 2013 – December 31, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2013 – April 30, 2013
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Simazine
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Endrin
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Nickel
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—CYANIDE
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 | Toxaphene | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2018 – March 31, 2018 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Archived |
| July 1, 2015 – September 30, 2015 | Monitoring, Regular | Arsenic | — | Archived |
| 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 |
| October 1, 2013 – September 16, 2014 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| October 1, 2013 – December 31, 2013 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| April 1, 2013 – April 30, 2013 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | CYANIDE | — | 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
- December 17, 2025State Administrative Penalty assessed3 linked violations
- December 17, 2025State Violation/Reminder Notice3 linked violations
- July 1, 2025State Violation/Reminder Notice4 linked violations
- June 30, 2025State Administrative Penalty assessed1 linked violation
- May 7, 2025State Public Notification received3 linked violations
- May 7, 2025State Compliance achieved3 linked violations
- January 13, 2025State Compliance achieved3 linked violations
- December 6, 2024State Public Notification requested3 linked violations
- December 4, 2024State Violation/Reminder Notice2 linked violations
- November 19, 2024State Public Notification requested3 linked violations
- November 19, 2024State Violation/Reminder Notice3 linked violations
- November 2, 2023State Violation/Reminder Notice2 linked violations
- August 30, 2023State Violation/Reminder Notice2 linked violations
- September 19, 2022State Compliance achieved3 linked violations
- August 13, 2021State Public Notification requested5 linked violations
- September 24, 2020State Violation/Reminder Notice35 linked violations
- June 24, 2020State Compliance achieved25 linked violations
- March 31, 2020State Public Notification requested25 linked violations
- December 18, 2019State Compliance achieved6 linked violations
- October 9, 2019State Public Notification requested5 linked violations
- October 3, 2019State Violation/Reminder Notice4 linked violations
- April 29, 2019State Compliance achieved4 linked violations
- April 3, 2019State Public Notification requested1 linked violation
- April 3, 2019State Violation/Reminder Notice1 linked violation
- March 20, 2019State Public Notification received22 linked violations
- April 16, 2018State Public Notification received2 linked violations
- January 9, 2018State Public Notification requested2 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 achieved31 linked violations
- April 23, 2016State Formal Notice of Violation issued8 linked violations
- March 18, 2016State Compliance achieved23 linked violations
- December 10, 2015State Compliance achieved23 linked violations
- November 23, 2015State Violation/Reminder Notice1 linked violation
- December 2, 2014State Compliance achieved1 linked violation
- September 22, 2014State Public Notification requested7 linked violations
- September 16, 2014State Compliance achieved3 linked violations
- April 28, 2014State Public Notification requested2 linked violations
- April 3, 2014State Violation/Reminder Notice5 linked violations
- February 3, 2014State Administrative Penalty assessed65 linked violations
- February 3, 2014State Formal Notice of Violation issued61 linked violations
- October 24, 2013State Boil Water Order14 linked violations
- May 31, 2007State Public Notification requested5 linked violations
- April 30, 2007State Compliance achieved7 linked violations
- September 21, 2006State Compliance achieved6 linked violations
- February 18, 1994State Violation/Reminder Notice3 linked violations
Common questions
Is GREEN BROOK ESTATES required to publish a Consumer Confidence Report?
- Yes. GREEN BROOK ESTATES is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is GREEN BROOK ESTATES’s next Consumer Confidence Report due?
- GREEN BROOK ESTATES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GREEN BROOK ESTATES have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for GREEN BROOK ESTATES that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
THORNBURGH, WILLIAM K
Phone not on record
FOWLERVILLE, MI 48836