Community Water System · PWSID MI0005395

Green Brook Estates

Serves 40 peopleGroundwaterOwner: PrivateFowlerville, Michigan
Nothing open that measures the water, but 5 open testing or paperwork violations.

A missed test is not evidence of bad water. It also is not evidence of good water: for that period nobody checked.

On record since 2013: 55 violations. 6 over the limit · 6 treatment lapses · 32 missed or late tests · 11 notices or reports. Most recent began 2025-07-01.

For this year's test results, ask the utility for its annual Consumer Confidence Report. Every community system must publish one.

6Over the limit
6Treatment lapse
32Missed or late test1 open
11Notice or report4 open

More violations on record than 99% of active water systems in Michigan. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

200520102013 · Missed or late test: 12014 · Treatment lapse: 12014 · Missed or late test: 12014 · Notice or report: 32014 · Notice or report: 32015 · Notice or report: 220152016 · Treatment lapse: 32016 · Treatment lapse: 32017 · Over the limit: 32017 · Over the limit: 32017 · Missed or late test: 12018 · Over the limit: 22019 · Over the limit: 12019 · Missed or late test: 12020 · Missed or late test: 242020 · Missed or late test: 242020 · Missed or late test: 242020 · Missed or late test: 242020 · Missed or late test: 242020 · Missed or late test: 242020 · Missed or late test: 242020 · Missed or late test: 242020 · Missed or late test: 242020 · Missed or late test: 242020 · Missed or late test: 242020 · Missed or late test: 2420202021 · Missed or late test: 32021 · Missed or late test: 32023 · Notice or report: 22024 · Treatment lapse: 22024 · Missed or late test: 12024 · Notice or report: 12025 · Notice or report: 32025 · Notice or report: 32025
One square ≈ 2 violations (rounded up), by the year they began. Empty columns are years with nothing on EPA's record.
11% over the limit · 611% treatment lapse · 658% missed or late test · 3220% notice or report · 11

Across Michigan, 91% of violations are missed or late tests and 3% are water over a limit.

How far over the limit

at the limit2×5×10×100×+Arsenic2019-07-01 · Arsenic: measured 0.0110 MG/L vs limit 0.0100 MG/L (1.1×)2018-10-01 · Arsenic: measured 0.0110 MG/L vs limit 0.0100 MG/L (1.1×)2018-01-01 · Arsenic: measured 0.0110 MG/L vs limit 0.0100 MG/L (1.1×)2017-10-01 · Arsenic: measured 0.0110 MG/L vs limit 0.0100 MG/L (1.1×)2017-07-01 · Arsenic: measured 0.0110 MG/L vs limit 0.0100 MG/L (1.1×)2017-04-01 · Arsenic: measured 0.0110 MG/L vs limit 0.0100 MG/L (1.1×)
Each dot is one over-the-limit violation: the measured value divided by the limit it broke, on a log scale. Most legal limits for chemicals are running averages set for a lifetime of drinking, so “just over” and “ten times over” are very different news. Hover a dot for the numbers.

Lead & copper at the tap

Utilities sample taps in homes most likely to have lead pipes, and report the 90th-percentile result: 9 in 10 homes sampled came in at or below this number. Above the red line (the action level) the utility must act. The action level is not a safe level; EPA's health goal for lead is zero. EPA's file does not date these results, so they are shown highest first.

Lead, 90th percentile 5 results on file · action level 15 ppb

0 ppb
0 ppb
0 ppb
0 ppb
0 ppb

Open now (5)

  1. 2025-07-01Consumer Confidence RuleCCR Complete Failure to ReportOpen
  2. 2025-01-09Public NoticePN Violation for NPDWR ViolationOpen
  3. 2021-07-01Lead and Copper RuleLead Consumer NoticeOpen
  4. 2015-07-01Consumer Confidence RuleCCR Complete Failure to ReportOpen
  5. 2014-07-01Consumer Confidence RuleCCR Complete Failure to ReportOpen

Every violation on record

  1. 2025-07-01Consumer Confidence RuleCCR Complete Failure to ReportOpen
  2. 2025-01-09Public NoticePN Violation for NPDWR ViolationOpen
  3. 2025-01-06Public NoticePN Violation for NPDWR ViolationBack in compliance
  4. 2024-10-27Revised Total Coliform RuleTTBack in compliance
  5. 2024-10-17Lead service line inventoryRPTBack in compliance
  6. 2024-10-17Lead service line inventoryTTBack in compliance
  7. 2024-08-01Revised Total Coliform RuleMONBack in compliance
  8. 2023-07-01Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  9. 2023-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  10. 2021-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  11. 2021-07-01Lead and Copper RuleLead Consumer NoticeOpen
  12. 2021-07-01Revised Total Coliform RuleMONBack in compliance
  13. 2020-04-01Temperature (Centigrade)Water Quality Parameter M/RBack in compliance
  14. 2020-01-01ChlordaneMonitoring, RegularBack in compliance
  15. 2020-01-01Total Polychlorinated Biphenyls (PCB)Monitoring, RegularBack in compliance
  16. 2020-01-01PentachlorophenolMonitoring, RegularBack in compliance
  17. 2020-01-01HexachlorobenzeneMonitoring, RegularBack in compliance
  18. 2020-01-012, 4, 5-TpMonitoring, RegularBack in compliance
  19. 2020-01-012, 4-DMonitoring, RegularBack in compliance
  20. 2020-01-01Heptachlor epoxideMonitoring, RegularBack in compliance
  21. 2020-01-01HeptachlorMonitoring, RegularBack in compliance
  22. 2020-01-01LassoMonitoring, RegularBack in compliance
  23. 2020-01-01AtrazineMonitoring, RegularBack in compliance
  24. 2020-01-01AldicarbMonitoring, RegularBack in compliance
  25. 2020-01-01CarbofuranMonitoring, RegularBack in compliance
Show the other 28 entries
  1. 2020-01-01Aldicarb sulfoneMonitoring, RegularBack in compliance
  2. 2020-01-01Aldicarb sulfoxideMonitoring, RegularBack in compliance
  3. 2020-01-01HexachlorocyclopentadieneMonitoring, RegularBack in compliance
  4. 2020-01-01DinosebMonitoring, RegularBack in compliance
  5. 2020-01-01PicloramMonitoring, RegularBack in compliance
  6. 2020-01-01SimazineMonitoring, RegularBack in compliance
  7. 2020-01-01OxamylMonitoring, RegularBack in compliance
  8. 2020-01-01ToxapheneMonitoring, RegularBack in compliance
  9. 2020-01-01MethoxychlorMonitoring, RegularBack in compliance
  10. 2020-01-01Bhc-GammaMonitoring, RegularBack in compliance
  11. 2020-01-01EndrinMonitoring, RegularBack in compliance
  12. 2019-08-01Revised Total Coliform RuleMONBack in compliance
  13. 2019-07-01ArsenicMCL, Averagemeasured 0.0110 MG/L · limit 0.0100 MG/LBack in compliance
  14. 2018-10-01ArsenicMCL, Averagemeasured 0.0110 MG/L · limit 0.0100 MG/LBack in compliance
  15. 2018-01-01ArsenicMCL, Averagemeasured 0.0110 MG/L · limit 0.0100 MG/LPeriod ended · no return to compliance on file
  16. 2017-10-22Lead and Copper RuleLead Consumer NoticeBack in compliance
  17. 2017-10-01ArsenicMCL, Averagemeasured 0.0110 MG/L · limit 0.0100 MG/LPeriod ended · no return to compliance on file
  18. 2017-07-01ArsenicMCL, Averagemeasured 0.0110 MG/L · limit 0.0100 MG/LPeriod ended · no return to compliance on file
  19. 2017-04-01ArsenicMCL, Averagemeasured 0.0110 MG/L · limit 0.0100 MG/LPeriod ended · no return to compliance on file
  20. 2016-08-22Groundwater Rule ×3Failure To Address DeficiencyBack in compliance
  21. 2015-07-01Consumer Confidence RuleCCR Complete Failure to ReportOpen
  22. 2015-04-01Public NoticePN Violation for NPDWR ViolationBack in compliance
  23. 2014-12-30Lead and Copper RuleLead Consumer NoticeBack in compliance
  24. 2014-07-01Consumer Confidence RuleCCR Complete Failure to ReportOpen
  25. 2014-06-13Groundwater RuleFailure To Address DeficiencyBack in compliance
  26. 2014-05-07Public NoticePN Violation for NPDWR ViolationBack in compliance
  27. 2014-03-05Groundwater RuleFailure to Consult with StateBack in compliance
  28. 2013-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance

System details

Population served40
Service connections29
Water sourceGroundwater
System typeCommunity Water System
OwnerPrivate
StatusActive
CityFowlerville
EPA ZIP on file48836

Areas served

  • Livingston County

Reading this record

Green Brook Estates is a community water system that draws from groundwater and serves about 40 people in Fowlerville, Michigan. Everything above comes from the EPA's Safe Drinking Water Information System (SDWIS), where states report every violation by every public water system.

Four kinds of violation. Only one is a measurement of the water: over the limit means a test came back above a legal maximum (an MCL). A treatment lapse means a required protective step was not done, such as disinfection, filtration, fixing a defect an inspector found, or filing a lead-pipe inventory. A missed or late test means a required test was skipped or never reported. That is the most common kind, and the most misread: it does not mean the water was bad, and it does not mean the water was fine. Notices and reports covers public notices and the annual Consumer Confidence Report.

Status. “Back in compliance” means the state recorded a return to compliance. “Period ended” means the violation's compliance period is over but no return to compliance was ever filed, which is common in older records. EPA's federal copy lags state records by months, so call the utility for anything current.