USA - NOAA releases U.S. Interagency Elevation Inventory

In partnership with five other federal partners (FEMA, USGS, USDA, USACE, NPS), NOAA maintains an inventory of available topo and bathy elevation data. The inventory just recently underwent a rebuild with new features, so we wanted to get the word out to elevation data users. I have attached the text. The link to the USIEI is

NOAA's new elevation mapping tool is here. It is a nationwide listing of known publicly available high-accuracy topographic and bathymetric source elevation data for the United States and its territories. The inventory provides a single resource for information about all known completed and in-progress broad-area public domain elevation data.

The United States Interagency Elevation Inventory raises awareness of and increases access to existing elevation data, thereby reducing data duplication efforts. It helps to identify data gaps and informs and encourages collaboration on future data collection efforts. The inventory displays data set boundaries and provides information about the elevation data but does not host the data itself. If available, links to access the data, metadata, and reports are included.

The information in the inventory may also be accessed via map services, and the terrestrial information is available as a GIS layer for download. The United States Interagency Elevation Inventory is a dynamic catalogue maintained by a partnership of federal agencies and supports the federal elevation theme.

Easy How-To

Enter a text search or draw your own polygon to view the completed and in-progress data set boundaries and attribute information in your request area. Use filters to further refine your results. View or download your search results or directly access the elevation data.

Helpful Hints

  • To search for a specific data type, be sure to click on Filters and then choose Data Type as the filter.
  • Hovering over Data Types, Statuses, and Quality Levels provides descriptions.
  • The U.S. Army Corps of Engineers Hydrographic Survey footprints only display when zoomed in to a harbor-level scale.
  • You can enter a latitude, longitude coordinate in the text box to search a single point location.
    Example: 32.8, -79.9
  • You can search by Hydrologic Unit Code (HUC) by entering the 8-, 10-, or 12-digit code
    Example for HUC12: 040302010101
  • You can search by a polygon using GeoJSON format coordinates.
    { "type": "Polygon", "coordinates": [[[-81, 28], [-81, 28.5], [-81.5, 28.5], [-81.5, 28], [-81, 28]]] }
  • You can search by a polygon using Well Known Text (WKT) format coordinates.
    POLYGON ((-81 28, -81 28.5, -81.5 28.5, -81.5 28, -81 28))


  • Frequently Asked Questions
  • Download All USIEI-Managed Records - Download all United States Interagency Elevation Inventory topographic, topobathy, and bathymetric lidar, and IfSAR data set footprints and attribute information in Esri gdb and Open Geospatial Consortium GeoPackage formats.
  • 3D Elevation Program (3DEP) – This program is managed by the U.S. Geological Survey’s National Geospatial Program to respond to growing needs for high-quality topographic data and for a wide range of other three-dimensional representations of the nation’s natural and constructed features.
  • Interagency Working Group on Ocean and Coastal Mapping (IWG-OCM)– This working group facilitates the coordination of ocean and coastal mapping activities and avoids duplication of mapping activities across the federal sector, as well as with state, industry, academic, and nongovernmental mapping interests.
  • U.S. Mapping Coordination – The Integrated Working Group on Ocean and Coastal Mapping and the 3D Elevation Program work together on coordinated mapping requirements and acquisition plans of federal and state agencies around the country through this site.


Access the map services used by the United States Interagency Elevation Inventory for use in your own applications.

See NOAA Announcement.

Read more.