Is Rochester, Massachusetts tap water safe?
2 water systems report serving Rochester. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
C
Middleborough Water Supply
Serves 15,350 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2025).
B
Marion Water Division
Serves 6,119 people · Groundwater · Full report →
1 health-based violation in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).