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Blackbird Creek Watershed in Delaware

Blackbird Creek Watershed

                Blackbird Creek Watershed

Watershed Description

Picture of Mesohaline Seepage Marsh in Blackbird Creek Watershed

    Mesohaline Seepage Marsh in Blackbird                           Creek Watershed

Blackbird Creek is located in southern New Castle County and is one of the only tidal streams in Delaware in which the head of tide is not dammed.  A lot of the Coastal Plain ponds in Delaware are located in this watershed.

Watershed Area:  19,491 acres (7,888 hectares)

Location:  Southern New Castle County in central Delaware, southeast of Townsend.

Flow Direction:  Generally northeast towards Delaware Bay.

Characteristics:  Considered one of the most natural watersheds in Delaware and is the location of numerous managed lands.

Major Vegetation Communities/Land Covers


Agricultural Field is the largest land cover in the Blackbird Creek watershed.  Mid-Atlantic Mesic Mixed Hardwood Forest is the largest “natural community” type.  Cultivated lawn comes in third and North Atlantic Low Salt Marsh is fourth in land area.  Northeastern Old Field ends the list.

Blackbird Creek Watershed Vegetation Community/Land Covers (Top 5 for 2007)
Vegetation Community/Land Cover Acres Hectares
Agricultural Field 5,099.00 2,063.00
Mid-Atlantic Mesic Mixed Hardwood Forest 3,955.00 1,601.00
Cultivated Lawn 2,664.00 1,078.00
North Atlantic Low Salt Marsh 1,571.00 636.00
Northeastern Old Field 898.00 364.00

    *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 still in the process of completion and is provided “as is” for informational purposes.  Shapefiles are available at