Chillicothe, Illinois Water Quality Report

Water Source

4

Water Systems

6K

People Served

Ground water

Water Source

Detected Contaminants

Contaminant	Detected Level	EPA Limit (MCL)	Health Guideline	% of Limit	Status
6:2 FTS	0.005	No federal limit	—	—	No federal limit
PFHxA	0.003	No federal limit	1000.0 ug/L(EWG)	0%	Below guideline
PFPeA	0.004	No federal limit	1000.0 ug/L(EWG)	0%	Below guideline

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Compliance & Violations

Active Violations (55)

72

Jul 1, 2025

minor

72

Jul 1, 2025

minor

72

Jul 1, 2024

minor

72

Jul 1, 2023

minor

66

Dec 30, 2022

moderate

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minor

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minor

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minor

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Unknown

minor

Violation

Unknown

minor

Resolved Violations (187)

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

71

Jul 1, 2025

minor

71

Jul 1, 2025

minor

+ 182 more resolved violations

Frequently Asked Questions

Is Chillicothe tap water safe to drink?

Chillicothe's water meets all EPA maximum contaminant levels. However, 3 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.

What contaminants are in Chillicothe tap water?

3 contaminants have been detected in Chillicothe's water supply across 4 water systems. See the full contaminant table above for details.

How can I improve my water quality in Chillicothe?

Install a water filter rated for the specific contaminants found in Chillicothe's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Does Chillicothe have any water quality violations?

Yes, Chillicothe currently has 55 active violations. See the violations section above for details.