WaterQ
Massachusetts State Report All States
Official Status: March 2026

Is Swansea tap water safe to drink?

✓ Generally Safe
B

Generally acceptable, but review local hotspots — score 78/100.

Safety Score
78
out of 100

Still not sure if you need a filter in Swansea?

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Swansea

Massachusetts

View Massachusetts state report Data updated: Mar 2026

Is Swansea tap water safe to drink?

Generally acceptable, but review local hotspots — score 78/100. This report aggregates EPA drinking water data across 1 local system in Swansea. We found 24 total violations (18 unresolved).

Real-Time Environment

Live: 12:15 PM
0mm Precipitation

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

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 Swansea?

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?

Evaluation of municipal compliance and household filtration options in Swansea.

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Baby Formula Safety

EPA compliance thresholds and pediatric water precautions for Swansea.

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Homebuyer's Perspective

Water system history in Swansea informs property maintenance and private filtration requirements. With a score of 78/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Positive / Stable

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 Swansea

24
Violations (5yr)
18
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Swansea.

Frequently Asked Questions

Is Swansea tap water safe to drink?

Generally acceptable, but review local hotspots — score 78/100.

How many water systems serve Swansea?

Swansea is served by 1 public water system in our latest EPA-backed dataset.

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

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

What is the water quality score for Swansea?

The water quality score for Swansea is 78 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 Swansea?

The top contaminants detected in Swansea include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
78/100
Grade
B
Water Systems
1
Population
17,375

Swansea Water Quality Summary

Swansea, 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.

Swansea'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.

Swansea's score of 78 is 4 points above the Massachusetts state average of 74, and in line with 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

Lead (90th percentile)
0.002 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Swansea (1)

Related

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