Waltham
Is Waltham tap water safe to drink?
Generally acceptable, but review local hotspots — score 78/100. This report aggregates EPA drinking water data across 0 local systems in Waltham. We found 0 total violations (0 unresolved).
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Waltham?
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 Waltham water? Here's what the data says.
Baby Formula Safety
What new parents in Waltham should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Waltham, but it can affect plumbing longevity and appliance lifespan. With a score of 78/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.
Health & Family Safety
Current records show no major contaminant spikes, making Waltham a preferred choice for health-conscious families.
View Health Risk Glossary →Compliance Record for Waltham
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Waltham.
Frequently Asked Questions
Is Waltham tap water safe to drink?
Generally acceptable, but review local hotspots — score 78/100.
How many water systems serve Waltham?
Waltham is served by 0 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Waltham?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Waltham.
What is the water quality score for Waltham?
The water quality score for Waltham is 78 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in Waltham?
Current contaminant data for Waltham is being updated. Check back soon or search your specific address for the latest results.
Waltham Water Quality Summary
Waltham, MA receives a water quality score of 78/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Waltham'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.
Waltham's score of 78 is 5 points above the Massachusetts state average of 73, and in line with the nationwide average of roughly 78/100 across all U.S. states.
Prospective homebuyers looking at Waltham will find that this mid-size Massachusetts municipality receives a respectable, above-average rating for its water quality. A single water system services the entire community, which simplifies local oversight but operates within the coastal Northeast's typical framework of dense, older urban infrastructure. Because of these aging distribution networks, residents may want to pay extra attention to tap-level factors like residential plumbing when evaluating older homes in the area.
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 Waltham (0)
Water system data coming soon for Waltham.
Check Your Specific Address
Water quality can vary by neighborhood in Waltham.
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