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

US Fish and Wildlife National Wetlands ...HTML

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Additional Info

Field	Value
Last Updated	October 26, 2021, 17:23 (UTC)
Created	April 15, 2020, 20:23 (UTC)
Update Interval
Data Owner Organization	US Fish and Wildlife Service
Data Owner Contact Name	Wetlands Team
Data Owner Contact Email	wetlands_team@fws.gov