Marshall, Illinois Water Quality Report
Water quality data for 2 water systems serving 9,748 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 Marshall, Illinois.
Get Water Quality Alerts
Be the first to know when water quality changes in Marshall.
Compliance & Violations
Active Violations (17)
72
Jul 1, 2025
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 (47)
72
Jul 1, 2023
72
Jul 1, 2023
66
Jan 1, 2022
66
Jan 1, 2022
71
Jul 1, 2017
+ 42 more resolved violations
Frequently Asked Questions
Is Marshall tap water safe to drink?
Marshall'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 Marshall tap water?
0 contaminants have been detected in Marshall's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Marshall?
Install a water filter rated for the specific contaminants found in Marshall's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Marshall have any water quality violations?
Yes, Marshall currently has 17 active violations. See the violations section above for details.