Land Use & Zoning
Iowa's '100-year floodplain' designation means:
AThe area has flooded exactly 100 times in recorded history
BThere is a 1% annual probability of flooding in that area✓ Correct
CThe area will flood every 100 years without exception
DThe property is exempt from flood insurance requirements
Explanation
The 100-year floodplain (also called a Special Flood Hazard Area or SFHA) is defined as land with a 1% annual chance of flooding in any given year. It does not mean flooding occurs exactly once per century. Properties in the 100-year floodplain may require flood insurance.
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