City of Washington, DCLocation 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 exceeding that level in any given year. The BFE is shown on the Flood Insurance Rate Map (FIRM) for zones AE, AH, A1-A30, AR, AR/A, AR/AE, AR/A1- A30, AR/AH, AR/AO, V1-V30 and VE.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/abbccdba911a4610a60aab68a2a77328_5engOpen Data DCPublicFloodplain Base Flood Elevations [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of ColumbiaLast Modified: 2025-04-11