Is Southborough, Massachusetts tap water safe?
1 water system report serving Southborough. Your water depends on which one serves your address. Check your bill if unsure.
A
Southborough Dpw Water Division (MWRA)
Serves 10,638 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).