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Flood Insurance Rate Map (FIRM)

The purpose of this page is to define a Flood Insurance Rate Map (FIRM), a commonly used term in floodplain management.


The official map of a community on which FEMA has delineated both the special hazard areas and the risk premium zones applicable to the community.

NFIP Requirement

  • 59.1 - Definition
  • 59.22 (6) - Local Map Repository
  • 59.22 (9) (v) - Community Boundary Updates

Other Applicable NFIP Regulations

  • 64.3 - FIRM Use for Sale of Flood Insurance
  • 65 - Revisions to FIRM


Related Keywords

Special Topic Resources

Coastal Study 

 Countywide Format 

 Digital FIRM 

 Floodway Analysis 


 Riverine Study 

 Using NFIP Maps 

  • How to Read a FiRM Online Tutorial
Last Updated: 
04/26/2019 - 12:32