Digital Flood Insurance Map 1 (DFIRM)
Digital Flood Insurance Map 1 (DFIRM) : "A Digital Flood Insurance Rate Map (DFIRM) includes all digital data required to create the hardcopy Flood Insurance Rate Map to FEMA FIA-21 standards and specifications (see: the "Standards for Digital Flood Insurance Rate Maps"). It includes base map information, graphics, text, shading, and other geographic and graphic data. DFIRM specifications are consistent with those required for mapping at a scale of 1: 24,000, or larger. DFIRMs generally are produced in a countywide format. They include information from the unincorporated areas of a county and all the incorporated communities within that county. Hardcopy maps printed from the DFIRMs are reviewed and approved by each community. They are the official basis for implementing the regulations and requirements of the NFIP. (FEMA, FAQs: Digital Flood Data and Mapping, 2007)
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