Data and Information

The Department of Natural Resources and Environmental Control uses data tools, mapping resources and information technology to study the health and resilience of Delaware’s natural resources, manage programs and provide information to the public. These tools include detailed datasets, digital mapping tools (known as geospatial data tools) and a

---

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). The

---

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. [button type=”primary” block=”true”

---

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 the Letter of

---