Public water system record
Woodruff Lake Cooperative
On record as serving Livingston County, MI · Serves 95 people
Federal records show 1 health-based violation and 87 monitoring/reporting issues for Woodruff Lake Cooperative in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
Source water
Groundwater
ZIP
48381
EPA system ID
MI0007185
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 87
Key facts
- Woodruff Lake Cooperative draws water from 4 wells.
- Most recent formal enforcement: administrative penalty by Michigan, December 2025.
- Record on file since 1991, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 60 service lines.
Check whether Woodruff Lake Cooperative serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 11, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Jan 9, 2025 | Active |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Dec 1, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 11, 2023 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
2,4-D
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Picloram
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Aldicarb
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Aldicarb sulfone
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Aldicarb sulfoxide
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlordane
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
LASSO
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Atrazine
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Simazine
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Endrin
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlordane
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
2,4-D
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
LASSO
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Atrazine
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Aldicarb
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Aldicarb sulfone
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Aldicarb sulfoxide
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Picloram
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Simazine
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Endrin
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Styrene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Dec 8, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 11, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2021 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 19, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
Full record since 1991
EPA's records for Woodruff Lake Cooperative go back to 1991. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 4 |
| 2000s | 1 | 1 |
| 2020s | 1 | 87 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 2002, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1991 | Resolved |
Enforcement actions
Michigan regulators took 4 formal enforcement actions against Woodruff Lake Cooperative and issued 1 boil water order between 2002 and 2025. The most recent was an administrative penalty in December 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 17, 2025 | Michigan | Administrative penalty | 1 violation: Consumer Confidence Rule |
| Jun 27, 2025 | Michigan | Administrative penalty | 1 violation: Public Notice |
| Nov 30, 2021 | Michigan | Administrative penalty | 1 violation: Consumer Confidence Rule |
| May 17, 2021 | Michigan | Administrative penalty | 1 violation: Revised Total Coliform Rule |
| Dec 27, 2002 | Michigan | Boil water order | 1 violation (1 health-based): Total Coliform |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Woodruff Lake Cooperative draws water from 4 wells.
Annual water quality report
Woodruff Lake Cooperative must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Woodruff Lake Cooperative for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Michigan.
Certified drinking water labs by state EPA guidance for private wells