Oak Lawn
Is Oak Lawn tap water safe to drink?
Generally acceptable, but review local hotspots — score 69/100. This report aggregates EPA drinking water data across 1 local system in Oak Lawn. We found 39 total violations (18 unresolved).
Real-Time Environment
Live: 10:00 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Oak Lawn.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Oak Lawn?
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 Oak Lawn? See our analysis.
Baby Formula Safety
Is Oak Lawn tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Oak Lawn, water quality is a key factor in long-term property maintenance. With a score of 69/100, 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 Oak Lawn
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Oak Lawn.
Frequently Asked Questions
Is Oak Lawn tap water safe to drink?
Generally acceptable, but review local hotspots — score 69/100.
How many water systems serve Oak Lawn?
Oak Lawn is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Oak Lawn?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Oak Lawn.
What is the water quality score for Oak Lawn?
The water quality score for Oak Lawn is 69 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 Oak Lawn?
The top contaminants detected in Oak Lawn include Lead (90th percentile). View detailed information on our contaminants page.
Oak Lawn Water Quality Summary
Oak Lawn, IL receives a water quality score of 69/100 (Grade C) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Oak Lawn'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.
Oak Lawn's score of 69 is 3 points above the Illinois state average of 66, 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 Oak Lawn (1)
Check Your Specific Address
Water quality can vary by neighborhood in Oak Lawn.
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