Baccharis Consulting LLC

Lower Delaware Bay Watershed in Delaware


Outline of the Lower Delaware Bay watershed

                                                 Lower Delaware Bay Watershed

Watershed Description

Picture of Lower Delaware Bay watershed

      Lower Delaware Bay Watershed near                             Bombay Hook NWR

Lower Delaware Bay watershed occupies most of Delaware Bay downstream of Port Penn, Delaware.  This watershed contains the most water area of any in Delaware.

Watershed Area:  208,789 acres (84,494 hectares)

Location:  Delaware Bay downstream of Port Penn, Delaware.

Flow Direction:  Generally south, entirely tidal.

Characteristics: Mostly estuarine water of Delaware Bay with a small amount of land.

Major Vegetation Communities/Land Covers


Delaware Bay composes most of the watershed.  A very small amount is present as Reed Tidal Marsh, Beach and Beachgrass-Panicgrass Dune Grassland.

Lower Delaware Bay Watershed Vegetation Community/Land Covers (Top 5 for 2007)
Vegetation Community/Land Cover Acres Hectares
Estuarine Coastal Polyhaline Water 192,459 77,885
Estuarine Coastal Mesohaline Water 16,289 6,592
Reed Tidal Marsh 18 7
Beach 13 5
 Beachgrass-Panicgrass Dune Grassland  7  3

*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.