The flood insurance and Mitigation Administration (FIMA), a component of FEMA manages the National Flood Insurance program or NFIP. This program has three components:
- Identifies and maps floodplains across the nation
- Provides flood insurance
- Reduces flood damages through floodplain management regulations.
By the City of Duncan participating in the NFIP it makes federally backed flood insurance available for homeowners, renters and business owners.