Datasets, Web services > Polygon data, Vector data > Indiana > 2015-2019

FIRM Floodplains and Flood Hazard Zones: Indiana

Indiana. Department of Natural Resources · 2017 Full Details

Full Details

Title
FIRM Floodplains and Flood Hazard Zones: Indiana
Description
This polygon layer represents floodplains created from FEMA Flood Rate Insurance Maps (FIRM). The layer is symbolized to show the following flood hazard primary risk classifications using the "Unique Values, Many Fields" option, using the attribute fields named "FLD_ZONE" and "ZONE_SUBTY". This database is an interim version of the Digital Flood Insurance Rate Map (DFIRM) Database. It does not fully meet all DFIRM specifications as found in ������Guidelines and Specifications for Flood Hazard Mapping Partners, Appendix L: Guidance for Preparing Draft Digital Data and DFIRM Database������. "The DFIRM Database is derived from Flood Insurance Studies (FISs), previously published Flood Insurance Rate Maps (FIRMs), flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by the Federal Emergency Management Agency (FEMA). The specifications for the horizontal control of DFIRM data files are consistent with those required for mapping at a scale of 1:12,000. "The DFIRM Database presents the flood risk information depicted on the FIRM in a digital format suitable for use in electronic mapping applications. The DFIRM database is a subset of the Digital FIS database that serves to archive the information collected during the FIS.������
Creator
Indiana. Department of Natural Resources
Temporal Coverage
2017
Date Issued
2017-03-20
Access Rights
Public
Format
Shapefile
Language
English
Date Added
August 28, 2025

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Cite and Reference

  • Citation
    Indiana. Department of Natural Resources (2017). FIRM Floodplains and Flood Hazard Zones: Indiana. . http://maps.indiana.edu/layerGallery.html (dataset)
  • BTAA Geoportal Link

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