National Wetlands Inventory
Ecological Services

Overview

New data has been added to both Wetlands Mappers for over 70 million acres of the U.S. These updates include various areas within the lower 48 states and American Samoa. To view these updates, please visit our Wetlands Mapper webpage. The Wetlands Mapper integrates digital map data with other resource information to produce timely and relevant management and decision support tools.  Data can also be downloaded by HUC 8 Watershed Boundary or by State. 
 

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Wetlands Mapper

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Wetland Codes

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Google Earth

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Download Data

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Status and Trends

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Web Map Services


Latest News and Reports






















New: National Wetlands Inventory Version 2.0 – May 2016
Version 2.0 of the National Wetlands Inventory provides more inclusive geospatial data of all wetlands and surface water features. This national geospatial data product will contribute substantially to improved modeling of flow and water movement in surface water basins, channels, and wetlands. For more information visit the Wetlands V2 Product Summary web page.






















Wetlands Mapper now accessible on Mobile Devices - November 2015
A new version of the Wetlands Mapper has been developed to run on mobile devices. When accessing the Wetlands Mapper from a mobile device, the user will now be automatically directed to this new mobile friendly version. Use your mobile device to access the new version of our Wetlands Mapper.





















Updated Data Collection Procedures
The Data Collection Requirements and Procedures document has been updated to include digital mapping conventions related to Cowardin 2.0 (adopted by the FGDC in 2013), instructions on the NWI QA/QC Tool for Arc 10.x, the NWI Map Code Diagram and the NWI Water Regime Restriction Table sorted by sub-class. To download the updated document click here.






















New Data added to the Wetlands Mappers - May 2016
New data has been added to both Wetlands Mappers for over 70 million acres of the U.S. These updates include various areas within the lower 48 states and American Samoa. To view these updates, please visit our Wetlands Mapper webpage.





















Watershed Downloads Now Available
'Download by Watershed' capability is now implemented in the Wetlands Mapper. By using the Tools menu, users can interactively select HUC8 Watersheds to download wetlands and wetlands related layers for that area. For more information visit our data download page at: http://www.fws.gov/wetlands/Data/Data-Download.html.

Click here to view archived news and report announcements.                 

Last updated: September 22, 2016