Johnsburg, Illinois Water Quality Report
Water quality data for 2 water systems serving 1,298 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (27)
52
Jul 1, 2025
52
Jul 1, 2025
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
Resolved Violations (200)
71
Jul 1, 2024
71
Jul 1, 2024
71
Jul 1, 2024
71
Jul 1, 2024
27
Jan 1, 2024 — Dec 31, 2024
+ 195 more resolved violations
Frequently Asked Questions
Is Johnsburg tap water safe to drink?
Johnsburg'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 Johnsburg tap water?
0 contaminants have been detected in Johnsburg's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Johnsburg?
Install a water filter rated for the specific contaminants found in Johnsburg's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Johnsburg have any water quality violations?
Yes, Johnsburg currently has 27 active violations. See the violations section above for details.