Is Rock Island, Tennessee tap water safe?
2 water systems report serving Rock 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
Warren County Utility District
Serves 29,055 people · Surface water · 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).
D
Warren County U.D. #2
Serves 5,611 people · Surface water · Full report →
30 health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).