Cary, Illinois Water Quality Report
Water quality data for 2 water systems serving 17,844 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| 6:2 FTS | 0.006 | No federal limit | — | — | No federal limit |
| PFBA | 0.007 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHpA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.007 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFPeA | 0.012 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Cary, Illinois.
Get Water Quality Alerts
Be the first to know when water quality changes in Cary.
Compliance & Violations
Active Violations (8)
72
Jul 1, 2025
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (99)
71
Jul 1, 2016
71
Jul 1, 2016
52
Oct 1, 2001
52
Oct 1, 2001
52
Oct 1, 2001
+ 94 more resolved violations
Frequently Asked Questions
Is Cary tap water safe to drink?
Cary's water meets all EPA maximum contaminant levels. However, 5 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Cary tap water?
5 contaminants have been detected in Cary's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Cary?
Install a water filter rated for the specific contaminants found in Cary's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Cary have any water quality violations?
Yes, Cary currently has 8 active violations. See the violations section above for details.