Potosi, Wisconsin Water Quality Report
Water quality data for 3 water systems serving 1,115 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (14)
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
Resolved Violations (284)
4H
Jul 2, 2025
66
Jan 1, 2025
66
Jan 1, 2025
66
Jan 1, 2025
66
Jan 1, 2025
+ 279 more resolved violations
Frequently Asked Questions
Is Potosi tap water safe to drink?
Potosi'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 Potosi tap water?
0 contaminants have been detected in Potosi's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Potosi?
Install a water filter rated for the specific contaminants found in Potosi's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Potosi have any water quality violations?
Yes, Potosi currently has 14 active violations. See the violations section above for details.