Chelmsford
Is Chelmsford tap water safe to drink?
Mostly yes — Chelmsford scores 89/100. This report aggregates EPA drinking water data across 0 local systems in Chelmsford. We found 0 total violations (0 unresolved).
Real-Time Environment
Live: 04:45 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Chelmsford.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Chelmsford?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter or no filter for Chelmsford water? Here's what the data says.
Baby Formula Safety
What new parents in Chelmsford should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Chelmsford, but it can affect plumbing longevity and appliance lifespan. The high safety score (89/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Current records show no major contaminant spikes, making Chelmsford a preferred choice for health-conscious families.
View Health Risk Glossary →Compliance Record for Chelmsford
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Chelmsford.
Frequently Asked Questions
Is Chelmsford tap water safe to drink?
Mostly yes — Chelmsford scores 89/100.
How many water systems serve Chelmsford?
Chelmsford is served by 0 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Chelmsford?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Chelmsford.
What is the water quality score for Chelmsford?
The water quality score for Chelmsford is 89 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in Chelmsford?
Current contaminant data for Chelmsford is being updated. Check back soon or search your specific address for the latest results.
Chelmsford Water Quality Summary
Chelmsford, MA receives a water quality score of 89/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Chelmsford'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.
Chelmsford's score of 89 is 16 points above the Massachusetts state average of 73, 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 Massachusetts water quality rankings report →
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Water Systems Serving Chelmsford (0)
Water system data coming soon for Chelmsford.
Check Your Specific Address
Water quality can vary by neighborhood in Chelmsford.
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Compare Chelmsford water quality: View all states · Contaminant library · How we score water quality