Eau Claire, Wisconsin Water Quality Report
Water quality data for 5 water systems serving 70,899 people.
Water Source
Detected Contaminants
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (7)
4H
Jul 2, 2025
75
Oct 1, 2009
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (370)
4H
Jul 2, 2025
66
Jan 1, 2025
66
Jan 1, 2025
66
Jan 1, 2025
66
Jan 1, 2025
+ 365 more resolved violations
Frequently Asked Questions
Is Eau Claire tap water safe to drink?
Eau Claire's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Eau Claire tap water?
2 contaminants have been detected in Eau Claire's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Eau Claire?
Install a water filter rated for the specific contaminants found in Eau Claire's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Eau Claire have any water quality violations?
Yes, Eau Claire currently has 7 active violations. See the violations section above for details.