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Floodplain Cross Sections
District of Columbia —
Location and attributes for cross section lines in the area covered by the FIRM. This layer must contain all cross sections in a model, not just the lettered cross... -
Community Rating System Special Flood Hazard Areas
District of Columbia —
The Community Rating System (CRS) is a voluntary incentive program that recognizes and encourages community floodplain management practices that exceed the minimum... -
Floodplains from 2010
District of Columbia —
Insurance applications include enforcement of the mandatory purchase requirement of the Flood Disaster Protection Act, which ... requires the purchase of flood... -
Floodplains from 2016
District of Columbia —
Insurance applications include enforcement of the mandatory purchase requirement of the Flood Disaster Protection Act, which ... requires the purchase of flood... -
Floodplains
District of Columbia —
The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and... -
Floodplain Base Flood Elevations
District of Columbia —
Location and attributes for Base Flood Elevations lines shown on FIRM. The elevation of surface water resulting from a flood that has a 1% chance of equaling or... -
Floodplains from 1985
District of Columbia —
Insurance applications include enforcement of the mandatory purchase requirement of the Flood Disaster Protection Act, which requires the purchase of flood insurance... -
Floodplains from 2016
District of Columbia —
The FIRM is the basis for floodplain management, mitigation, and insurance activities for the National Flood Insurance Program (NFIP). Insurance applications include... -
Floodplain General Structures
District of Columbia —
Location and attributes for flood control structures shown on the flood profile and FIRM. This table is required whenever hydraulic structures are shown in the flood... -
Floodplain FIRM Panels
District of Columbia —
Location and attributes for FIRM hardcopy map panels. The spatial entities representing FIRM panels are polygons. The polygon for the FIRM panel corresponds to the...