SEP 2018
CTP Webinar: USGS 3DEP Program Supports FEMA Flood Mapping
Locations: CTP Information Exchange Webinar
Time: Monday, Sep 24, 2018, 1:00 PM - Monday, Sep 24, 2018, 2:30 PM

The 3D Elevation Program initiative fulfills the need for high-quality topographic data and for a wide range of other three-dimensional representations of the Nation's natural and constructed features. The primary goal of 3DEP is to systematically collect enhanced elevation data in the form of high-quality lidar data.



  • Alan Lulloff, PE, CFM - ASFPM Flood Science Center
  • Carol Lydic - National Map Liaison, USGS
  • Thuy Patton - Colorado Water Conservation Board
  • Amanda Lowe - Supervisory Geographer, USGS
  • Joshua Nimetz - Elevation Program Area Lead, USGS


  • Webinar Logistics
  • Introduction
  • USGS 3DEP program overview and how it supports the FEMA flood mapping program
  • State Perspective and Non-Federal Cost Share
  • USGS QA/QC Process
  • Questions/Discussion

USGS 3DEP website:

Direct link to 3DEP collaboration and partnerships page


3DEP for Flood Risk Management Fact Sheet


USGS 3DEP Program CTP Webinar Slides

USGS 3DEP Program CTP Webinar Recording


View all CTP Information Exchange Webinars