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Skip Navigation LinksDNREC : Admin : Delaware Wetlands : Mapping



Wetland Mapping Resources

Delaware FirstMap

NOTE: To view map data while in the map viewer, hover over layers in the Contents section on the left sidebar and select the table icon.


U.S. Fish & Wildlife Service

Wetlands Mapper
View and download wetland data by watershed or state with this easy to use Wetlands Mapper by the U.S. Fish and Wildlife Service. Mobile version available.

Other Delaware Maps 

Delaware Environmental Navigator (DEN)
Use DEN to explore the many types of information collected by DNREC including layers such as the Coastal Management Area, the State Wetland Mapping Project (SWMP), watersheds, and land use/ land cover.


For more information please contact:
Mark Biddle-Environmental Scientist
Watershed Assessment Section

Delaware Wetlands Home


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