Sudbury
Is Sudbury tap water safe to drink?
Generally acceptable, but review local hotspots — score 77/100. This report aggregates EPA drinking water data across 1 local system in Sudbury. We found 285 total violations (164 unresolved).
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Sudbury?
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 or no filter for Sudbury water? Here's what the data says.
Baby Formula Safety
What new parents in Sudbury should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Sudbury, but it can affect plumbing longevity and appliance lifespan. With a score of 77/100, 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 Sudbury
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Sudbury.
Frequently Asked Questions
Is Sudbury tap water safe to drink?
Generally acceptable, but review local hotspots — score 77/100.
How many water systems serve Sudbury?
Sudbury is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Sudbury?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Sudbury.
What is the water quality score for Sudbury?
The water quality score for Sudbury is 77 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 Sudbury?
The top contaminants detected in Sudbury include Lead (90th percentile). View detailed information on our contaminants page.
Sudbury Water Quality Summary
Sudbury, MA receives a water quality score of 77/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Sudbury'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.
Sudbury's score of 77 is 3 points above 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 Sudbury (1)
Check Your Specific Address
Water quality can vary by neighborhood in Sudbury.
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