Your Flood Risk May Have Changed: Get the Facts and Don't Be Caught Off Guard Lafayette Parish has had four official Flood Insurance Rate Maps (called FIRMs). The historic maps are dated 1980, 1985, and 1988 with the most recent effective maps, which originated in January 19, 1996 with one small area changed in January 1999. These are the maps that were in effect until December 20, 2018.
The most recent FIRM updated by FEMA for Lafayette Parish went into effect on December 21, 2018.
These maps depict the potential for flooding and are the basis for establishing building requirements and flood insurance rates.