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Wetlands Data
Don't have GIS
software?
View
and print custom NWI maps online
How do I download
data?
Users
will be able to download one map file or one zipped 1:250,000 map folder
(includes all available data, up to 128 map files) at a time. Select a
data file or folder, then click the right mouse button to use the copy
option.
What data have been recently added? Search the list of updated data (NAD 83) plus scanned digital data from hard-copy (NAD 27) wetland maps.
How do I find the folder containing the map I need? NWI digital map data are organized in folders by USGS 1:250,000 map name...
Are data available?
Check either:
Regional Status Maps
or
Lists of
NWI digitized data in NAD 27and
in NAD83
or
NWI
Maps Database Search Form
Don't know an
NWI map code? (What is a PFO1A?)
Click here for wetland code
decription and definition
Digital data is
not yet available for final maps?
How to find Hard-Copy Maps for purchase
How do I cite NWI digital data, hard-copy maps, and metadata in publications?
| DOWNLOAD
DIGITAL WETLANDS DATA (GIS software needed to view maps) |
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| Shapedata | UTM NAD83 | single
quads or 1:250,000 zipped file folders |
These files are in UTM projection, NAD83 (includes re-projected NAD27 data and "updated" NAD83 data). |
| Personal Geodatabases | UTM NAD83 | geodatabases | Updated NWI geodatabase files or new digital data for which there are no NWI hardcopy maps. Examples available. |
|
Updated ARC Data
ARC Data |
UTM NAD83
UTM NAD27 |
single quads or 1:250,000 zipped file folders single
quads or |
Newer and updated ARC Export data without corresponding hard-copy maps. NWI ARC Export data (.e00) files for older quads where hard-copy maps were produced. |
|
Riparian/Wetland Data Shapefiles
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UTM NAD27
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single quads or 1:250,000 zipped file folders single
quads or |
NWI maps riparian areas along with wetland areas in arid portions of the nation. (To see the riparian mapping standards, visit our publications page.) |
|
NWI
WETLAND MAPS IN OTHER MEDIA (on-screen, CD's, PDF's, etc.) |
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CD-Rom State coverages and complete NWI database for purchase. Exit FWS Website. |
GIS Data Depot sells NWI Data on CD-Rom. | ||
| View wetland maps overlaid on USGS topo maps or DOQQ's. Provided in either GeoTIF, PDF or other formats for purchase. Exit FWS Website. | Gecko Software Mapping Solutions provides online viewing and sells NWI maps for the non-GIS user in either GeoTIF or PDF formats. | ||