Winchester
Is Winchester tap water safe to drink?
Use extra caution — Winchester scores 44/100. This report aggregates EPA drinking water data across 1 local system in Winchester. We found 74 total violations (31 unresolved).
Real-Time Environment
Live: 06:45 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Winchester.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Winchester?
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 Winchester? See our analysis.
Baby Formula Safety
Is Winchester tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Winchester, water quality is a key factor in long-term property maintenance. With a score of 44/100, 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 Winchester
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Winchester.
Frequently Asked Questions
Is Winchester tap water safe to drink?
Use extra caution — Winchester scores 44/100.
How many water systems serve Winchester?
Winchester is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Winchester?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Winchester.
What is the water quality score for Winchester?
The water quality score for Winchester is 44 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 Winchester?
The top contaminants detected in Winchester include Lead (90th percentile). View detailed information on our contaminants page.
Winchester Water Quality Summary
Winchester, MA receives a water quality score of 44/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Winchester'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.
Winchester's score of 44 is 30 points below the Massachusetts state average of 74, 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 Massachusetts water quality rankings report →
Key Contaminants
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Water Systems Serving Winchester (1)
Check Your Specific Address
Water quality can vary by neighborhood in Winchester.
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Compare Winchester water quality: View all states · Contaminant library · How we score water quality