Floodplain
The Federal Emergency Management Agency (FEMA) defines a floodplain
as “any land area susceptible to being inundated by flood waters from any
source.”

FEMA categorizes floodplains into two types: the 100-year floodplain, and
500-year floodplain. The 100-year floodplain has a 1% chance of being inundated
in any given year, and the 500-year floodplain has a 0.2% chance.
Following FEMA’s classification, the study classified the floodplain areas
into 3 categories: 100-Year Floodplain, 500-Year Floodplain, and Outside
Floodplain.

This data used for Going Places has since been replaced by an updated federal data set and is included for archival purposes.
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