Plainfield, Illinois Water Quality Report
Water quality data for 5 water systems serving 50,360 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (12)
72
Jul 1, 2025
57
Apr 2, 2025
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (371)
75
Feb 3, 2024
75
Feb 3, 2024
02
Oct 1, 2023 — Dec 31, 2023
02
Oct 1, 2023 — Dec 31, 2023
02
Oct 1, 2023 — Dec 31, 2023
+ 366 more resolved violations
Frequently Asked Questions
Is Plainfield tap water safe to drink?
Plainfield'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 Plainfield tap water?
0 contaminants have been detected in Plainfield's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Plainfield?
Install a water filter rated for the specific contaminants found in Plainfield's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Plainfield have any water quality violations?
Yes, Plainfield currently has 12 active violations. See the violations section above for details.