Rock Island
Is Rock Island tap water safe to drink?
Generally acceptable, but review local hotspots — score 69/100. This report aggregates EPA drinking water data across 2 local systems in Rock Island. We found 192 total violations (47 unresolved).
Real-Time Environment
Live: 06:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Rock Island.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Rock Island?
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 Rock Island? See our analysis.
Baby Formula Safety
Is Rock Island tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Rock Island, 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 Rock Island
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Rock Island.
Frequently Asked Questions
Is Rock Island tap water safe to drink?
Generally acceptable, but review local hotspots — score 69/100.
How many water systems serve Rock Island?
Rock Island is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Rock Island?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Rock Island.
What is the water quality score for Rock Island?
The water quality score for Rock Island is 69 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 Rock Island?
The top contaminants detected in Rock Island include Lead (90th percentile). View detailed information on our contaminants page.
Rock Island Water Quality Summary
Rock Island, IL receives a water quality score of 69/100 (Grade C) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Rock Island'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.
Rock Island'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 Rock Island (2)
Check Your Specific Address
Water quality can vary by neighborhood in Rock Island.
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Quick compare in Illinois
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