WaterQ
Massachusetts State Report All States
Official Status: March 2026

Is Nantucket tap water safe to drink?

⚠ Caution Advised
F

Use extra caution — Nantucket scores 11/100.

Safety Score
11
out of 100

Still not sure if you need a filter in Nantucket?

Read Decision Guide →

Nantucket

Massachusetts

View Massachusetts state report Verified: Apr 2026

Is Nantucket tap water safe to drink?

Use extra caution — Nantucket scores 11/100. This report aggregates EPA drinking water data across 0 local systems in Nantucket. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 07:45 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Nantucket.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Nantucket?

Requirement Status
Recommended
🟡
💡

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 Nantucket? See our analysis.

Baby Formula Safety

Is Nantucket tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Nantucket, water quality is a key factor in long-term property maintenance. With a score of 11/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

Current records show no major contaminant spikes, making Nantucket a preferred choice for health-conscious families.

View Health Risk Glossary →

Score Breakdown for Nantucket

EPA Compliance & Violations 60/100
Contaminant Safety Margin 11%

*Scores are calculated using weighted EPA monitoring data from the past 5 years.

Frequently Asked Questions

Is Nantucket tap water safe to drink?

Use extra caution — Nantucket scores 11/100.

How many water systems serve Nantucket?

Nantucket is served by 0 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Nantucket?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Nantucket.

What is the water quality score for Nantucket?

The water quality score for Nantucket is N/A out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Nantucket?

Current contaminant data for Nantucket is being updated. Check back soon or search your specific address for the latest results.

Water Quality Score
11/100
Grade
F
Water Systems
2
Population
30,703

Nantucket Water Quality Summary

Nantucket, MA receives a water quality score of 11/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Nantucket'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.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology →

Water Systems Serving Nantucket (0)

Water system data coming soon for Nantucket.

Related

Compare Nantucket water quality: View all states · Contaminant library · How we score water quality