![]() The FIRM Database depicts flood risk information and supporting data used to develop the risk data. The FIRM Database is the digital, geospatial version of the flood hazard information (location and attributes for boundaries of flood insurance risk zones) shown on the published paper Flood Insurance Rate Maps (FIRMs). ![]() ![]() Any preliminary or draft data that appear on maps displayed at community meetings, etc., are not included here. The NFHL is updated as new data reaches its designated effective date and becomes valid for regulatory use under the National Flood Insurance Program (NFIP).Īll data included in this layer are considered "final"by FEMA. This layer is a compilation of effective Flood Insurance Rate Map (FIRM) databases and any Letters of Map Revision (LOMR) that have been issued against those databases since their publication date.
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