WaterQ
Illinois State Report All States
Official Status: March 2026

Is Libertyville tap water safe to drink?

⚠ Caution Advised
C

Use extra caution — Libertyville scores 55/100.

Safety Score
55
out of 100

Still not sure if you need a filter in Libertyville?

Read Decision Guide →

Libertyville

Illinois

View Illinois state report Data updated: Mar 2026

Is Libertyville tap water safe to drink?

Use extra caution — Libertyville scores 55/100. This report aggregates EPA drinking water data across 3 local systems in Libertyville. We found 298 total violations (25 unresolved).

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Libertyville?

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?

Wondering if Libertyville tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Libertyville tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Libertyville, water quality belongs on your due-diligence checklist alongside schools and crime data. With a score of 55/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

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 Libertyville

298
Violations (5yr)
25
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Libertyville.

Frequently Asked Questions

Is Libertyville tap water safe to drink?

Use extra caution — Libertyville scores 55/100.

How many water systems serve Libertyville?

Libertyville is served by 3 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Libertyville?

The water quality score for Libertyville is 55 out of 100, based on EPA contaminant data, violation history, and testing results across the 3 systems serving the city.

What are the top contaminants in Libertyville?

The top contaminants detected in Libertyville include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
55/100
Grade
D
Water Systems
3
Population
33,900

Libertyville Water Quality Summary

Libertyville, IL receives a water quality score of 55/100 (Grade D) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Libertyville's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.

Libertyville's score of 55 is 11 points below the Illinois state average of 66, and below the nationwide average of roughly 78/100 across all U.S. states.

Homebuyers considering a move to Libertyville, Illinois, will find that this mid-size city maintains a stable standard of water quality, earning a respectable B grade overall. Serving the community are ten distinct water systems, reflecting the complex infrastructure needs of a municipality nestled in the dense Chicago metropolitan region while sharing agricultural downstate influences. While the current score indicates a generally reliable supply, the presence of multiple systems means local water conditions can vary depending on which system services a specific property. Consequently, residents can expect generally sound water quality, though staying informed about their specific local supplier remains a practical step.

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

Lead (90th percentile)
0.0084 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Libertyville (3)

Related

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