Hales Corners, Wisconsin Water Quality Report
Water quality data for 3 water systems serving 744 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (32)
71
Jul 1, 2025
72
Jul 1, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
75
Oct 17, 2024
75
Oct 17, 2024
Violation
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
Resolved Violations (415)
3A
Sep 1, 2025 — Sep 30, 2025
3A
Aug 1, 2025 — Aug 31, 2025
3A
Aug 1, 2025 — Aug 31, 2025
3A
Jul 1, 2025 — Jul 31, 2025
3A
Jul 1, 2025 — Jul 31, 2025
+ 410 more resolved violations
Frequently Asked Questions
Is Hales Corners tap water safe to drink?
Hales Corners'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 Hales Corners tap water?
0 contaminants have been detected in Hales Corners's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Hales Corners?
Install a water filter rated for the specific contaminants found in Hales Corners's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Hales Corners have any water quality violations?
Yes, Hales Corners currently has 32 active violations. See the violations section above for details.