Buffalo Grove
Is Buffalo Grove tap water safe to drink?
Use extra caution — Buffalo Grove scores 58/100. This report aggregates EPA drinking water data across 2 local systems in Buffalo Grove. We found 114 total violations (3 unresolved).
Real-Time Environment
Live: 03:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Buffalo Grove.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Buffalo Grove?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Filter requirements and certified reduction benchmarks for Buffalo Grove tap water.
Baby Formula Safety
Infant formula preparation risks, nitrate levels, and lead pipe guidance in Buffalo Grove.
Homebuyer's Perspective
Evaluating water infrastructure in Buffalo Grove protects plumbing and helps estimate water heater longevity. With a score of 58/100, 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 Buffalo Grove
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Buffalo Grove.
Frequently Asked Questions
Is Buffalo Grove tap water safe to drink?
Use extra caution — Buffalo Grove scores 58/100.
How many water systems serve Buffalo Grove?
Buffalo Grove is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Buffalo Grove?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Buffalo Grove.
What is the water quality score for Buffalo Grove?
The water quality score for Buffalo Grove is 58 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 Buffalo Grove?
The top contaminants detected in Buffalo Grove include Lead (90th percentile). View detailed information on our contaminants page.
Buffalo Grove Water Quality Summary
Buffalo Grove, IL receives a water quality score of 58/100 (Grade D) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Buffalo Grove'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.
Buffalo Grove's score of 58 is 8 points below 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 Buffalo Grove (2)
Check Your Specific Address
Water quality can vary by neighborhood in Buffalo Grove.
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