Baccharis Consulting LLC

Indian River Watershed in Delaware

Picture of the Indian River Watershed

                 Indian River Watershed

Watershed Description
Picture of Cow Bridge Branch

       Cow Bridge Branch in Indian River                                        Watershed


Indian River Watershed is located in southeastern Sussex County and is a major tributary to the Inland Bays of Delaware.  The watershed is the location of one of the most pristine nature preserves in Delaware, Doe Bridge Nature Preserve.

Watershed Area:  39,447 acres (15,964 hectares)

Location:  Central Sussex County in southern Delaware between Broadkill RIver on the north and Indian River Bay on the south.

Flow Direction:  South to the Indian River Bay.

Characteristics:  Agricultural and semi-urban watershed with flat to rolling terrain.

Major Vegetation Communities/Land Covers


Agricultural field is the predominant land cover in the watershed and ranks as #1. Cultivated lawn in the Millsboro, Delaware area ranks as #2.  Northeastern Coastal Plain Mixed Oak/Heath Forest is the largest “natural community” type and ranks as #3.  Ranked at #4 are the communities that are yet to be identified.  Impervious surface rounds out the list and is ranked at #5.

Indian River Watershed Vegetation Communities/Land Cover (Top 5 for 2007)
Vegetation Community/Land Cover Acres Hectares
Agricultural Field 13,766.00 5,571.00
Cultivated Lawn 5,627.00 2,277.00
Northeastern Coastal Plain Mixed Oak/Heath Forest 3,515.00 1,422.00
Unknown Forested Community 2,508.00 1,015.00
Impervious Surface 2,071.00 838.00

     *The table above is subject to change with more watershed mapping.

Managed Lands


Links of Interest


Vegetation Community/Land Cover Maps Available


One vegetation community/land cover map based on 2007 aerial imagery is available in .pdf format.  The map is in the process of completion and is provided “as is” for informational purposes.  Email for shapefile requests.