U.S. flag

美国政府的官方网站

Dot gov

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS

A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites..

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Flood Resistance

A jurisdiction is flood resistant if it has high flood risk, it participates in the National Flood Insurance Program in good standing, and the 2015 or later IBC and IRC apply in the jurisdiction without weakening of any of the flood provisions.