Is Storm Lake, Iowa tap water safe?
2 water systems report serving Storm Lake. Your water depends on which one serves your address. Check your bill if unsure.
A
Storm Lake Water Treatment Plant
Serves 11,431 people · Groundwater · 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).
A
Lake Creek Homeowners Association
Serves 175 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).