Water Quality: Waltham, MA

2 water systems • 65,258 people served

Multiple Health Violations
16
Total Violations
5
Health-Based Violations
2
Water Systems
65,258
Population Served

Water Quality Summary

Waltham is served by 2 public water systems with a combined service population of 65,258 people, and has 16 EPA Safe Drinking Water Act violations on record. Critically, 5 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Waltham's violation count is 50% below the national average for Massachusetts. Contaminants associated with violations include Disinfection Byproducts.

Contaminants Found

Disinfection Byproducts

Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.

Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter

Water Systems Serving Waltham

System Name PWSID Source Population Violations
WALTHAM WATER DEPARTMENT MA3308000 Surface Water 65,218 6
CRAFTSMAN VILLAGE CONDOMINIUMS MA2125026 Groundwater 40 10

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