Modesto, Illinois Water Quality Report
Water quality data for 4 water systems serving 2,291 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (17)
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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 (430)
75
May 30, 2025
75
May 30, 2025
75
May 30, 2025
75
May 30, 2025
75
May 30, 2025
+ 425 more resolved violations
Frequently Asked Questions
Is Modesto tap water safe to drink?
Modesto'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 Modesto tap water?
0 contaminants have been detected in Modesto's water supply across 4 water systems. See the full contaminant table above for details.
How can I improve my water quality in Modesto?
Install a water filter rated for the specific contaminants found in Modesto's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Modesto have any water quality violations?
Yes, Modesto currently has 17 active violations. See the violations section above for details.