Harrisburg, Illinois Water Quality Report
Water quality data for 4 water systems serving 12,829 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (37)
75
Aug 22, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
52
Jul 1, 2025
52
Jul 1, 2025
2E
Oct 17, 2024
2E
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
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Unknown
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Unknown
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Unknown
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Unknown
Resolved Violations (48)
72
Jul 1, 2024
72
Jul 1, 2024
3A
Sep 1, 2023 — Sep 30, 2023
3A
Sep 1, 2023 — Sep 30, 2023
3A
Sep 1, 2023 — Sep 30, 2023
+ 43 more resolved violations
Frequently Asked Questions
Is Harrisburg tap water safe to drink?
Harrisburg'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 Harrisburg tap water?
0 contaminants have been detected in Harrisburg's water supply across 4 water systems. See the full contaminant table above for details.
How can I improve my water quality in Harrisburg?
Install a water filter rated for the specific contaminants found in Harrisburg's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Harrisburg have any water quality violations?
Yes, Harrisburg currently has 37 active violations. See the violations section above for details.