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Granite City, Illinois Flood Zones

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Enter any address in Granite City, Illinois to see its FEMA flood zone

Flood Risk in Granite City, Illinois

Granite City has a population of 27,549 residents. Like many communities in Illinois, properties in Granite City 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 Granite City. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

Flood Zone Types in Granite City

FEMA assigns flood zone designations to areas in Granite City, Illinois:

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.

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Flood Insurance in Granite City

Properties in Granite City 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 Illinois flood zone data →