C
58

Fair Water Quality

Swansea, MA 02777

Bristol County · Population served: 35,678 · Data updated March 2026

Water Systems Serving This Area

🏔
SOMERSET WATER DEPARTMENT
Surface water · Pop. 18,303
PWSID: MA4273000
🏔
SWANSEA WATER DISTRICT
Surface water · Pop. 17,375
PWSID: MA4292000

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
10.0
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

6 detected 1 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBA10.9 pptNo standard500 pptUnregulated
PFHxS7.7 ppt10 ppt10 pptBelow limit
PFOA5.1 ppt4 ppt4 pptExceeded
PFPeA4.9 pptNo standardUnregulated
PFHxA4.0 pptNo standard400 pptUnregulated
PFBS3.5 ppt2000 ppt100 pptBelow limit

Violation History (Last 5 Years)

14Total (5yr)
11Health-Based
0Major

Water Quality Summary

Understanding Your Water in Swansea

Tap water quality in Swansea, Massachusetts (02777) receives an overall grade of C (Fair) with a score of 58 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 23 points below the Massachusetts state average of 81. Compared to the national average (75), this area scores significantly lower. The area is served by 2 water systems providing water to approximately 35,678 people, using surface water sources. Testing has found elevated levels of Lead that warrant attention. Notably, 1 PFAS compound exceeds EPA limits — a significant concern given the persistent nature of these chemicals. Over the past 5 years, water systems here have accumulated 14 violations, including 11 health-based violations.

Your Score 58/100 C
vs State 23 pts below Massachusetts avg (81)
vs National 17 pts below national avg (75)

What a Grade C Means

A score of 58/100 indicates fair water quality in Swansea, MA. While the water meets minimum federal standards, there are noteworthy concerns — either elevated contaminant levels approaching regulatory limits, a moderate violation history, or both. Residents may want to review specific contaminant data and consider targeted filtration, especially for sensitive groups like children and pregnant women.

Surface water: sourced from rivers, lakes, or reservoirs

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Swansea, Massachusetts receives a grade of C (Fair) with a score of 58/100. While it generally meets minimum federal standards, there are some areas of concern including violation history or elevated contaminant levels. Sensitive populations (children, pregnant women, elderly) may want to consider additional filtration.

ZIP code 02777 is served by 2 water systems using surface water sources, providing water to approximately 35,678 people. Surface water systems are more susceptible to contamination from agricultural runoff, industrial discharge, and weather events, but typically undergo more extensive treatment including filtration and disinfection.

Lead was detected at 10.0 ppb in Swansea, Massachusetts. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

Yes — 6 PFAS compounds were detected in water serving Swansea, Massachusetts, and 1 exceeds EPA maximum contaminant levels. PFAS are persistent chemicals linked to cancer, immune system effects, and developmental issues. A reverse osmosis or activated carbon filter certified for PFAS removal is recommended.

Water systems serving Swansea, Massachusetts have received 14 violations in the last 5 years, including 11 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Swansea, Massachusetts should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

Explore Nearby

Water Quality in Nearby ZIP Codes