Is Block Island, Rhode Island tap water safe?
1 water system report serving Block Island. 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.
B
Block Island Water Company
Serves 9,999 people · Groundwater · Full report →
No health-based violations in the last 5 years; 12 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).