South Jacksonville, Illinois Water Quality Report
Water quality data for 1 water system serving 3,508 people.
Water Source
Detected Contaminants
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Compliance & Violations
Active Violations (4)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (90)
72
Jul 1, 2025
72
Jul 1, 2025
27
Oct 1, 2024 — Dec 31, 2024
27
Oct 1, 2024 — Dec 31, 2024
27
Oct 1, 2024 — Dec 31, 2024
+ 85 more resolved violations
Frequently Asked Questions
Is South Jacksonville tap water safe to drink?
South Jacksonville's water meets all EPA maximum contaminant levels. However, 3 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in South Jacksonville tap water?
3 contaminants have been detected in South Jacksonville's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in South Jacksonville?
Install a water filter rated for the specific contaminants found in South Jacksonville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does South Jacksonville have any water quality violations?
Yes, South Jacksonville currently has 4 active violations. See the violations section above for details.