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 Pages Tagged With: "mapping"

Floodplain Mapping for Bundicks Branch

DNREC and the federal government are working on an update of the floodplain maps for Bundicks Branch, located west of Lewes, in Sussex County. The study involves new data and engineering models. The floodplain map update will occur through a process called a Letter of Map Revision (LOMR). DNREC is asking for comments and


Wetland Mapping Resources

Here is a list of mapping and geospatial data resources related to wetlands in Delaware. 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.



Floodplain Mapping

The DNREC Floodplain Management Program works with FEMA to improve the accuracy of Flood Insurance Rate Maps, which were originally created in the 1970s, and to provide technical support pertaining to flood risk.

Contact Us

Gina Tonn, PhD, PE, CFM Engineer


Floodplain Mapping for Clear Brook

DNREC and the federal government are working on an update of floodplain maps for Clear Brook, near Seaford in Sussex County. The study involves new data and engineering models. DNREC is gathering input from local property owners and businesses as part of the update.
Update (4/1/2021): FEMA has issued





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