FEMA’s Region 6 BLE-to-FIRM Viewer (B2F) uses a geospatial database to help communities and counties review effective flood hazard areas that may be updated with Base Level Engineering (BLE) data, understand where BLE data may be adopted by the community for floodplain management without an update to the map, and identify areas they may want to further refine risk information for the future through the Letter of Map Revision (LOMR) process.

The B2F Viewer provides users an interactive map view of effective flood hazard areas, BLE coverage data, and limits of BLE data that will move forward onto FIRMs. Communities are encouraged to view this data and provide input to FEMA on any changes in community boundaries (annexations), any areas of expected growth, or any areas that have been affected by recent disasters.

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