Henderson, Illinois Water Quality Report
Water quality data for 1 water system serving 375 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (19)
75
Aug 22, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
72
Jul 1, 2025
71
Jul 1, 2025
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
72
Jul 1, 2024
72
Jul 1, 2023
75
Dec 14, 2018
75
Dec 14, 2018
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (84)
27
Jan 1, 2025 — Dec 31, 2025
27
Jan 1, 2025 — Dec 31, 2025
27
Jan 1, 2024 — Dec 31, 2024
27
Jan 1, 2024 — Dec 31, 2024
66
Dec 30, 2022
+ 79 more resolved violations
Frequently Asked Questions
Is Henderson tap water safe to drink?
Henderson'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 Henderson tap water?
0 contaminants have been detected in Henderson's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Henderson?
Install a water filter rated for the specific contaminants found in Henderson's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Henderson have any water quality violations?
Yes, Henderson currently has 19 active violations. See the violations section above for details.