Lake Zurich
Is Lake Zurich tap water safe to drink?
Generally acceptable, but review local hotspots — score 66/100. This report aggregates EPA drinking water data across 1 local system in Lake Zurich. We found 260 total violations (16 unresolved).
Real-Time Environment
Live: 11:15 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Lake Zurich.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Lake Zurich?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Should you buy a water purifier in Lake Zurich? See our analysis.
Baby Formula Safety
Is Lake Zurich tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Lake Zurich, water quality is a key factor in long-term property maintenance. With a score of 66/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Lake Zurich
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Lake Zurich.
Frequently Asked Questions
Is Lake Zurich tap water safe to drink?
Generally acceptable, but review local hotspots — score 66/100.
How many water systems serve Lake Zurich?
Lake Zurich is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Lake Zurich?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Lake Zurich.
What is the water quality score for Lake Zurich?
The water quality score for Lake Zurich is 66 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.
What are the top contaminants in Lake Zurich?
The top contaminants detected in Lake Zurich include Lead (90th percentile). View detailed information on our contaminants page.
Lake Zurich Water Quality Summary
Lake Zurich, IL receives a water quality score of 66/100 (Grade C) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Lake Zurich's water quality is near the national average. While most systems meet EPA standards, some violations have been recorded. Residents may wish to review their specific water system's report for contaminant details.
Lake Zurich's score of 66 matches the Illinois state average, and below the nationwide average of roughly 78/100 across all U.S. states.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Illinois water quality rankings report →
Key Contaminants
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Water Systems Serving Lake Zurich (1)
Check Your Specific Address
Water quality can vary by neighborhood in Lake Zurich.
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Compare Lake Zurich water quality: View all states · Contaminant library · How we score water quality