Mosinee, Wisconsin Water Quality Report
Water quality data for 3 water systems serving 4,572 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (19)
71
Jul 1, 2025
72
Jul 1, 2025
66
Jan 1, 2025
75
Oct 17, 2024
4G
Oct 17, 2024
75
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
75
Oct 17, 2024
75
Oct 1, 2022
66
Jan 1, 2022
75
Oct 1, 2021
75
Jan 1, 2013
75
Jan 1, 2013
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (408)
3A
Mar 1, 2025 — Mar 31, 2025
3A
Mar 1, 2025 — Mar 31, 2025
3A
Mar 1, 2025 — Mar 31, 2025
3A
Nov 1, 2024 — Nov 30, 2024
3A
Nov 1, 2024 — Nov 30, 2024
+ 403 more resolved violations
Frequently Asked Questions
Is Mosinee tap water safe to drink?
Mosinee'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 Mosinee tap water?
0 contaminants have been detected in Mosinee's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Mosinee?
Install a water filter rated for the specific contaminants found in Mosinee's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Mosinee have any water quality violations?
Yes, Mosinee currently has 19 active violations. See the violations section above for details.