Normal, Illinois Water Quality Report
Water quality data for 3 water systems serving 59,831 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Normal, Illinois.
Get Water Quality Alerts
Be the first to know when water quality changes in Normal.
Compliance & Violations
Active Violations (48)
75
Aug 22, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
71
Jul 1, 2025
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
72
Jul 1, 2024
72
Jul 1, 2023
66
Dec 30, 2022
66
Dec 30, 2022
75
Oct 15, 2022
75
Oct 15, 2022
75
Oct 12, 2018
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (110)
75
Jan 26, 2025
75
Jan 26, 2025
75
Jan 26, 2025
75
Jan 26, 2025
3A
Dec 1, 2023 — Dec 31, 2023
+ 105 more resolved violations
Frequently Asked Questions
Is Normal tap water safe to drink?
Normal'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 Normal tap water?
0 contaminants have been detected in Normal's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Normal?
Install a water filter rated for the specific contaminants found in Normal's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Normal have any water quality violations?
Yes, Normal currently has 48 active violations. See the violations section above for details.