Marion, Illinois Water Quality Report
Water quality data for 9 water systems serving 36,042 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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Compliance & Violations
Active Violations (20)
75
Jul 12, 2025
75
Jul 12, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
72
Jul 1, 2025
72
Jul 1, 2025
75
Apr 12, 2025
75
Apr 12, 2025
75
Jan 12, 2025
75
Jan 12, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
72
Jul 1, 2024
52
Oct 1, 2023
52
Oct 1, 2023
52
Oct 1, 2023
Resolved Violations (480)
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
27
Jul 1, 2025 — Sep 30, 2025
+ 475 more resolved violations
Frequently Asked Questions
Is Marion tap water safe to drink?
Marion's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Marion tap water?
1 contaminants have been detected in Marion's water supply across 9 water systems. See the full contaminant table above for details.
How can I improve my water quality in Marion?
Install a water filter rated for the specific contaminants found in Marion's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Marion have any water quality violations?
Yes, Marion currently has 122 active violations. See the violations section above for details.