Is Westwood, Massachusetts tap water safe?
1 water system report serving Westwood. 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.
D
Dedham Westwood Water Dist.
Serves 41,630 people · Surface water · Full report →
1 health-based violation in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Lead 90th percentile below the action level (2025).