Is Humboldt, Iowa tap water safe?
1 water system report serving Humboldt. Your water depends on which one serves your address. Check your bill if unsure.
A
Humboldt Municipal Water Dept
Serves 4,792 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).