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created Apr 13 2015

updated Aug 24 2016

Description

The Floodplains data contains the Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual-chance flood event, and areas of minimal flood risk. 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 file is georeferenced to earth’s surface using the UTM projection and coordinate system. The specifications for the horizontal control of DFIRM data files are consistent with those required for mapping at a scale of 1:12000.

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Category
Energy & Environment
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Public
Tags
flood area
Licensing and Attribution
Data Provided By
FEMA
Source Link
http://gis.utah.gov/data/water-data-services/flood-areas/
License
Public Domain
Dataset Summary
Organization
FEMA
Dataset Owner
FEMA
Dataset Information
Agency
Natural Resources
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