Description: A line feature class of Federal Emergency Management Agency (FEMA) stream profile baseline arcs within Arlington County. A Profile Baseline shows the path of riverine flood flows on the Flood Insurance Rate Map (FIRM) and is an accurate representation of the distance between cross sections, structures, nodes or grids in the hydraulic model.Contact: Department of Environmental ServicesData Accessibility: Publicly AvailableUpdate Frequency: As NeededLast Revision Date: 11/14/2023Creation Date: 11/14/2023Feature Dataset Name: FEMALayer Name: FEMA_Stream_Profile_Baseline_arc