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A design prototype by Datopian, not an official website

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FEMA Floodplain Depth Grid

Virginia Department of Conservation and Recreation

Updated Mar 24, 2026

Updated ad hoc

About this dataset

Raster image service of FEMA floodplain depth grid found here: https://casdsis.dcr.virginia.gov/arcgis/rest/services/Floodplains

The Federal Emergency Management Agency (FEMA) has broadened its delivery of flood hazard data to include a number of flood risk products. These flood risk products depict and describe the variability of flood risk in the vicinity of the 1% annual chance floodplains designated on the Flood Insurance Rate Maps (FIRMs). Flood Depth Grids are delivered to local officials during the Flood Risk Review Meetings as a part of the Flood Risk Database, prior to the preparation of the preliminary FIRMs. Flood Depth Grids allow local community officials to use technological and software advances to view and analyze hazards in their community from a new perspective.

Data and resources (1)

Prototype by Datopian · not an official government website · data from data.virginia.gov