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This article is the first in our blog series on HEC-RAS modeling. Be sure to check back for subsequent series articles.

Background

The Federal Emergency Management Agency (FEMA) regulates development within the 100-year floodplain by administrating the National Flood Insurance Program (NFIP). Communities that participate in the NFIP must prevent excessive development within the floodplain that could cause increases in potential flood damage. FEMA also does not allow development to occur within the floodway, which has a maximum allowable surcharge of...

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TagsHEC-RAS, Floodway, floodplain, 100-year flood, FEMA,