Water Quality: Swansea, MA

2 water systems • 17,410 people served

Multiple Health Violations
65
Total Violations
20
Health-Based Violations
2
Water Systems
17,410
Population Served

Water Quality Summary

Swansea is served by 2 public water systems with a combined service population of 17,410 people, and has 65 EPA Safe Drinking Water Act violations on record. Critically, 20 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Swansea's violation count is 103% above the national average for Massachusetts. Contaminants associated with violations include Fecal Coliform, TTHM.

Contaminants Found

Fecal Coliform

Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.

Common source: Human and animal fecal waste

EPA limit: Zero tolerance (any positive triggers violations)

TTHM

Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.

Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water

EPA limit: 0.080 mg/L (80 ppb)

Water Systems Serving Swansea

System Name PWSID Source Population Violations
SWANSEA WATER DISTRICT MA4292000 Surface Water 17,375 24
MAYNARD STATE LLC MA4334078 Groundwater 35 41

Concerned About Your Water?

A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.

Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.

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Data Sources

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.

Verify at epa.govSearch ECHO for MA