Base Flood
NFIP Policy Index
Definition/Description
The flood having a one percent chance of being equaled or exceeded in any given year. This is the regulatory standard also referred to as the "100-year flood." The base flood is the national standard used by the NFIP and all Federal agencies for the purposes of requiring the purchase of flood insurance and regulating new development. Base Flood Elevations (BFEs) are typically shown on Flood Insurance Rate Maps (FIRMs).
NFIP Requirement
Guidance
- IS-9 Managing Floodplain Development Through The National Flood Insurance Program (NFIP) (pages 3-4 to 3-5)
Related Keywords
Special Topic Resources
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Flood Profile
- Managing Floodplain Development (IS-9) pp. 4-16 to 4-19
Last Modified: Friday, 20-Apr-2007 14:41:37 EDT