Cottage Grove, Wisconsin Water Quality Report
Water quality data for 1 water system serving 9,345 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (5)
75
Oct 17, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (14)
2E
Oct 17, 2024
24
Feb 1, 1997 — Feb 28, 1997
24
Feb 1, 1997 — Feb 28, 1997
24
Feb 1, 1997 — Feb 28, 1997
24
Feb 1, 1997 — Feb 28, 1997
+ 9 more resolved violations
Frequently Asked Questions
Is Cottage Grove tap water safe to drink?
Cottage Grove's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Cottage Grove tap water?
0 contaminants have been detected in Cottage Grove's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Cottage Grove?
Install a water filter rated for the specific contaminants found in Cottage Grove's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Cottage Grove have any water quality violations?
Yes, Cottage Grove currently has 5 active violations. See the violations section above for details.