Princeton, Illinois Water Quality Report
Water quality data for 3 water systems serving 8,032 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (47)
75
Aug 22, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
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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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Resolved Violations (191)
4H
Jul 2, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
65
Dec 1, 2019
65
Dec 1, 2019
+ 186 more resolved violations
Frequently Asked Questions
Is Princeton tap water safe to drink?
Princeton'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 Princeton tap water?
0 contaminants have been detected in Princeton's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Princeton?
Install a water filter rated for the specific contaminants found in Princeton's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Princeton have any water quality violations?
Yes, Princeton currently has 47 active violations. See the violations section above for details.