Rockford, Illinois Water Quality Report
Water quality data for 10 water systems serving 147,846 people.
Water Source
Detected Contaminants
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (11)
75
Aug 2, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
Resolved Violations (489)
27
Oct 1, 2024 — Dec 31, 2024
27
Oct 1, 2024 — Dec 31, 2024
27
Oct 1, 2024 — Dec 31, 2024
27
Oct 1, 2024 — Dec 31, 2024
71
Jul 1, 2024
+ 484 more resolved violations
Frequently Asked Questions
Is Rockford tap water safe to drink?
Rockford's water meets all EPA maximum contaminant levels. However, 2 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Rockford tap water?
2 contaminants have been detected in Rockford's water supply across 10 water systems. See the full contaminant table above for details.
How can I improve my water quality in Rockford?
Install a water filter rated for the specific contaminants found in Rockford's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Rockford have any water quality violations?
Yes, Rockford currently has 210 active violations. See the violations section above for details.