Topics:

Air Quality

The data on this page are elevation files in GeoTIFF format, and are compatible with AERMAP version 09040 or newer. All files are 1 arc-second resolution. The data were obtained from the USGS National Map. These elevation files are updated every five years (last updated: 2025).

Map of data on elevation levels in Iowa

Downloads

Elevation Data Files
File NameLatitudinal CoverageLongitudinal Coverage
Sioux Falls E (.zip file)43°N-44°N96°W-97°W    
Fairmont W (.zip file)43°N-44°N    95°W-96°W    
Fairmont E (.zip file)43°N-44°N    94°W-95°W    
Mason City W (.zip file)43°N-44°N    93°W-94°W    
Mason City E (.zip file)43°N-44°N    92°W-93°W    
La Crosse W (.zip file)43°N-44°N      91°W-92°W    
La Crosse E (.zip file)43°N-44°N    90°W-91°W    
Sioux City E (.zip file)42°N-43°N    96°W-97°W    
Fort Dodge W (.zip file)42°N-43°N    95°W-96°W    
Fort Dodge E (.zip file)42°N-43°N    94°W-95°W    
Waterloo W (.zip file)42°N-43°N    93°W-94°W    
Waterloo E (.zip file)42°N-43°N    92°W-93°W    
Dubuque W (.zip file)42°N-43°N    91°W-92°W    
Dubuque E (.zip file)42°N-43°N    90°W-91°W    
Fremont E (.zip file)41°N-42°N    96°W-97°W    
Omaha W (.zip file)41°N-42°N    95°W-96°W    
Omaha E (.zip file)41°N-42°N    94°W-95°W    
Des Moines W (.zip file)41°N-42°N    93°W-94°W    
Des Moines E (.zip file)41°N-42°N    92°W-93°W    
Davenport W (.zip file)41°N-42°N    91°W-92°W    
Davenport E (.zip file)41°N-42°N    90°W-91°W    
Lincoln E (.zip file)40°N-41°N    96°W-97°W    
Nebraska City W (.zip file)40°N-41°N    95°W-96°W    
Nebraska City E (.zip file)40°N-41°N    94°W-95°W    
Centerville W (.zip file)40°N-41°N    93°W-94°W    
Centerville E (.zip file)40°N-41°N    92°W-93°W    
Burlington W (.zip file)40°N-41°N    91°W-92°W    
Burlington E (.zip file)40°N-41°N    90°W-91°W