National Wetlands Inventory
NWI digital data files are records of wetlands location and classification as developed by the U.S. Fish & Wildlife Service. The classification system was adopted as a national classification standard in 1996 by the Federal Geographic Data Committee.
Download Seamless MS Statewide Wetlands Data shapefile:
With each download you will receive a .zip file that contains the following layers:
- NWI wetland polygon data
- NWI riparian polygon data (if available at the requested location)
- Metadata ( NWI project metadata including image dates used for delineation)
More detailed metadata - > http://www.fws.gov/wetlands/Data/metadata.html
State data downloaded will be in Albers projection with a North American Datum (NAD) of 1983.
For custom extractions of sub-state level and more detailed information on the process- http://www.fws.gov/wetlands/Data/DataDownload.html Mapper data downloaded by Extent will be in WGS 1984 Web Mercator.