FloodZoneMap.org

Storm Lake, Iowa Flood Zones

Check an Address in Storm Lake

Enter any address in Storm Lake, Iowa to see its FEMA flood zone

Flood Risk in Storm Lake, Iowa

Storm Lake has a population of 11,269 residents. Like many communities in Iowa, properties in Storm Lake may be located in various FEMA flood zones ranging from high-risk Special Flood Hazard Areas to low-risk zones.

Use the address lookup above to check the specific flood zone for any property in Storm Lake. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

Flood Zone Types in Storm Lake

FEMA assigns flood zone designations to areas in Storm Lake, Iowa:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Storm Lake

Properties in Storm Lake that are in FEMA Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even in low-risk zones, flood insurance is recommended — over 20% of NFIP claims come from outside high-risk areas. Visit FloodSmart.gov for quotes.

View all Iowa flood zone data →