WaterQ
Illinois State Report All States
Official Status: March 2026

Is Wonder Lake tap water safe to drink?

⚠ Caution Advised
C

Generally acceptable, but review local hotspots — score 66/100.

Safety Score
66
out of 100

Still not sure if you need a filter in Wonder Lake?

Read Decision Guide →

Wonder Lake

Illinois

View Illinois state report Verified: Apr 2026

Is Wonder Lake tap water safe to drink?

Generally acceptable, but review local hotspots — score 66/100. This report aggregates EPA drinking water data across 0 local systems in Wonder Lake. We found 0 total violations (0 unresolved).

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Wonder Lake?

Requirement Status
Recommended
🟡
💡

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 Wonder Lake? See our analysis.

Baby Formula Safety

Is Wonder Lake tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Wonder Lake, 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.

Property Impact: Requires Mitigation

Health & Family Safety

Current records show no major contaminant spikes, making Wonder Lake a preferred choice for health-conscious families.

View Health Risk Glossary →

Score Breakdown for Wonder Lake

EPA Compliance & Violations 60/100
Contaminant Safety Margin 66%

*Scores are calculated using weighted EPA monitoring data from the past 5 years.

Frequently Asked Questions

Is Wonder Lake tap water safe to drink?

Generally acceptable, but review local hotspots — score 66/100.

How many water systems serve Wonder Lake?

Wonder Lake is served by 0 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Wonder Lake?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Wonder Lake.

What is the water quality score for Wonder Lake?

The water quality score for Wonder Lake is N/A out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Wonder Lake?

Current contaminant data for Wonder Lake is being updated. Check back soon or search your specific address for the latest results.

Water Quality Score
66/100
Grade
C
Water Systems
2
Population
5,820

Wonder Lake Water Quality Summary

Wonder Lake, IL receives a water quality score of 66/100 (Grade C) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Wonder Lake'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.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology →

Water Systems Serving Wonder Lake (0)

Water system data coming soon for Wonder Lake.

Related

Compare Wonder Lake water quality: View all states · Contaminant library · How we score water quality