Is Hannibal, Missouri tap water safe?
1 water system report serving Hannibal. Your water depends on which one serves your address. Check your bill if unsure.
B
Hannibal PWS
Serves 17,108 people · Surface water · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).