Floodplain Cross Sections

Published by City of Washington, DC | District of Columbia | Metadata Last Checked: January 27, 2026 | Last Modified: 2025-04-11T00:00:00.000Z

Location and attributes for cross section lines in the area covered by the FIRM. This layer must contain all cross sections in a model, not just the lettered cross sections. A line developed from topographic information across a floodplain at which a computation of flood flow has been made to establish a potential flood elevation. Cross sections are shown on the Flood Boundary Floodway Map, Flood Insurance Rate Map, and/or Flood Profiles of a Flood Insurance Study.

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Complete Metadata

identifier	https://www.arcgis.com/home/item.html?id=fa630de4d78548c781df598189e996ee&sublayer=6
issued	2015-02-27T20:55:37.000Z
landingPage	https://opendata.dc.gov/datasets/DCGIS::floodplain-cross-sections
spatial	-77.1198,38.7976,-76.9116,38.9949
theme	[ "geospatial" ]

Location