Mendota, Illinois Water Quality Report
Water quality data for 1 water system serving 6,926 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 27.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 270% | Above guideline |
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Mendota, Illinois.
Get Water Quality Alerts
Be the first to know when water quality changes in Mendota.
Compliance & Violations
Active Violations (16)
52
Jul 1, 2025
52
Jul 1, 2025
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
Resolved Violations (155)
4H
Jul 2, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
02
Jan 1, 2021 — Mar 31, 2021
02
Jan 1, 2021 — Mar 31, 2021
+ 150 more resolved violations
Frequently Asked Questions
Is Mendota tap water safe to drink?
Mendota'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 Mendota tap water?
1 contaminants have been detected in Mendota's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Mendota?
Install a water filter rated for the specific contaminants found in Mendota's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Mendota have any water quality violations?
Yes, Mendota currently has 16 active violations. See the violations section above for details.