Round Lake
Is Round Lake tap water safe to drink?
Mostly yes — Round Lake scores 85/100. This report aggregates EPA drinking water data across 2 local systems in Round Lake. We found 61 total violations (15 unresolved).
Real-Time Environment
Live: 06:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Round Lake.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Round Lake?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filtration technologies matched to Round Lake contaminant records.
Baby Formula Safety
Guidance on preparing infant formula using municipal tap water in Round Lake.
Homebuyer's Perspective
Municipal water quality in Round Lake directly influences pipe corrosion rates and home filtration needs. The high safety score (85/100) suggests lower risk for plumbing corrosion and appliance scaling.
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 Round Lake
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Round Lake.
Frequently Asked Questions
Is Round Lake tap water safe to drink?
Mostly yes — Round Lake scores 85/100.
How many water systems serve Round Lake?
Round Lake is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Round Lake?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Round Lake.
What is the water quality score for Round Lake?
The water quality score for Round Lake is 85 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Round Lake?
The top contaminants detected in Round Lake include Lead (90th percentile). View detailed information on our contaminants page.
Round Lake Water Quality Summary
Round Lake, IL receives a water quality score of 85/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Round Lake's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.
Round Lake's score of 85 is 19 points above the Illinois state average of 66, and above 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 Round Lake (2)
Check Your Specific Address
Water quality can vary by neighborhood in Round Lake.
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