Plain, Wisconsin Water Quality Report
Water quality data for 2 water systems serving 822 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (5)
4H
Jul 2, 2025
75
Oct 17, 2024
2E
Oct 17, 2024
75
Oct 17, 2024
75
Oct 17, 2024
Resolved Violations (25)
4H
Jul 2, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
75
Jan 1, 2023
75
Jan 1, 2023
+ 20 more resolved violations
Frequently Asked Questions
Is Plain tap water safe to drink?
Plain'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 Plain tap water?
0 contaminants have been detected in Plain's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Plain?
Install a water filter rated for the specific contaminants found in Plain's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Plain have any water quality violations?
Yes, Plain currently has 5 active violations. See the violations section above for details.