National Wetlands Inventory

National Spatial Data Infrastructure (NSDI) Wetlands Layer:

Visit the Wetlands Layer index page for more information.

Contact Information:

You can also email the FWS Customer Service Center, or call 1.800.344.WILD (1.800.344.9453).

Web Map Services (WMS)

WMS iconGeospatial Wetlands Data is also available through an Open GIS Consortium (OGC) Web Map Service (WMS).

WMS service name: FWS_Wetlands_WMS Projection: GCS, NAD83 

OGC Version: 1.3

Wetlands Data WMS address:

Wetlands Status WMS address:

Connecting to the Wetlands WMS in ESRI' ArcGIS

  1. Launch ArcCatalog.
  2. Under the “GIS Servers” directory in the explorer window on the left, double click on “Add WMS Server” to open the Add WMS Server dialog box.
  3. Enter the WMS address specified at the top of this page in the URL text box.
  4. Click on the “Get Layers” button to view the service and layer information.
  5. Click on the “OK” button to add the connection and view it in ArcCatalog. You will see the connection show up under “GIS Servers”
  6. This WMS connection will now also be available in ArcMap under “GIS Servers” after you select “add data”.

Note: it is best if you load a base reference layer to help you get oriented with the Wetlands data. Due to the quantity and complexity of the wetlands data the WMS service only displays at 1:250,000 scale and greater.

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