Download Seamless Wetlands Data
Please read the Disclaimer,
Data Limitations, Exclusions
and Precautions, and the
Geodatabase User Caution.
Data can be downloaded by HUC 8 Watershed
Boundary or by State. The data is downloaded as a .zip file
that contains the following layers:
- Wetlands polygon data
- Wetlands Project Metadata (includes image
dates and project information)
- Wetlands Historic Map Information*
- Riparian polygon data*
- Riparian Project Metadata (includes image
dates and project information)*
- Historic Wetlands*
- Historic Wetlands Project Metadata (includes
image dates and project information)*
- USGS HUC 8 Watershed Boundary**
* If available at the requested
** Not include in State downloads.
each of these layers can be found on our
There are two methods for downloading
seamless wetlands data as viewed on the Wetlands Mapper:
The Wetlands Mapper Download Data
by Watershed tool uses the
Wetlands Mapper interface to
interactively download a ZIP file containing
a compressed file
Shapefile of the watershed of interest.
The tool is available by visiting the
Wetlands Mapper and selecting the
Download Data by Watershed tool
from the Tools menu.
Data by State
Each State dataset is available
as either a compressed file
Geodatabase or a
You can view the Geodatabase and Shapefiles by using
ArcGis Explorer free software, among others.
Please note that ArcGIS version 10.* is required
for Geodatabase downloads.
State and watershed data downloaded will be in an equal area
Albers projection with a North American Datum
(NAD) of 1983.
For specific projection information, visit the
Data Projection web
May 12, 2016