Water Quality: Holliston, MA

1 water system • 15,713 people served

Multiple Health Violations
231
Total Violations
12
Health-Based Violations
1
Water Systems
15,713
Population Served

Water Quality Summary

Holliston has 12 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: TTHM, Total Haloacetic Acids (HAA5). In total, 231 violations are on record for 1 water system serving 15,713 people.

Contaminants Found

TTHM
Total Haloacetic Acids (HAA5)

Water Systems Serving Holliston

System Name PWSID Source Population Violations
HOLLISTON WATER DEPARTMENT MA2136000 Groundwater 15,713 231

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.

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