Question 1

Is Lake Zurich tap water safe to drink?

Accepted Answer

Lake Zurich'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.

Question 2

What contaminants are in Lake Zurich tap water?

Accepted Answer

3 contaminants have been detected in Lake Zurich's water supply across 4 water systems. See the full contaminant table above for details.

Question 3

How can I improve my water quality in Lake Zurich?

Accepted Answer

Install a water filter rated for the specific contaminants found in Lake Zurich's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Question 4

Does Lake Zurich have any water quality violations?

Accepted Answer

Yes, Lake Zurich currently has 95 active violations. See the violations section above for details.

Contaminant	Detected Level	EPA Limit (MCL)	Health Guideline	% of Limit	Status
lithium	26.0	No federal limit	10.0 ug/L(EPA/USGS HBSL)	260%	Above guideline
PFHxA	0.004	No federal limit	1000.0 ug/L(EWG)	0%	Below guideline
PFPeA	0.004	No federal limit	1000.0 ug/L(EWG)	0%	Below guideline

Lake Zurich, Illinois Water Quality Report

Water Source

Detected Contaminants

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Compliance & Violations

Active Violations (2)

Resolved Violations (498)

Frequently Asked Questions