Federal Emergency Management AgencyLocation and attributes for FIRM hardcopy map panels. The spatial entities representing FIRM panels are polygons. The polygon for the FIRM panel corresponds to the panel neatlines. FIRM panels must not overlap or have gaps within a study. In situations where a portion of a panel lies outside the jurisdiction being mapped, the user must refer to the S_Pol_Ar table to determine the portion of the panel area where the FIRM Database shows the effective flood hazard data for the mapped jurisdiction.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/8d5233f024b64fa1a042dcd04e66e9ed_8engOpen Data DCPublicFloodplain FIRM Panels [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of ColumbiaLast Modified: 2023-09-22