Hayward, Wisconsin Water Quality Report
Water quality data for 4 water systems serving 2,777 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (3)
75
Oct 1, 2012
75
Jul 1, 2011
75
Jan 1, 2010
Resolved Violations (497)
4H
Jul 2, 2025
65
Dec 11, 2024
65
Dec 11, 2024
65
Dec 11, 2024
65
Dec 11, 2024
+ 492 more resolved violations
Frequently Asked Questions
Is Hayward tap water safe to drink?
Hayward'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 Hayward tap water?
0 contaminants have been detected in Hayward's water supply across 4 water systems. See the full contaminant table above for details.
How can I improve my water quality in Hayward?
Install a water filter rated for the specific contaminants found in Hayward's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Hayward have any water quality violations?
Yes, Hayward currently has 24 active violations. See the violations section above for details.