US Fish and Wildlife Service Wetlands Inventory Data

NWI data can be accessed in several ways depending on your needs. To display and query wetlands data in your software application please use our Web Map Services. This will ensure you have the latest data and reduce data management overhead. If you need to conduct GIS analysis please reference the information below to download the data by HUC watershed or by state. For downloads larger than a state, please contact the Wetlands Team to request a custom download.

Data and Resources

Information

Field Value
Contact Name Wetlands Team
Contact Email wetlands_team@fws.gov
Last Updated 23 October 2023
Published 15 April 2020