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White Clay Creek Watershed in Delaware

Outline of White Clay Creek Watershed

                                                     White Clay Creek Watershed


Watershed Description

The White Clay Creek watershed is the largest watershed in the Piedmont of Delaware.

Picture of White Clay Creek

  White Clay Creek at White Clay Creek State                                    Park

Watershed Area:  29,201 acres (11,817 hectares)

Location:  Northwestern Delaware in northwestern New Castle County.

Flow Direction:  Southeast towards the Christina River.

Characteristics:  Urban watershed in lower sections with a large state park towards the state line.

Major Vegetation Communities/Land Covers


Cultivated lawn covers a little more than one-third of the watershed.  The related impervious surface covers an additional 24%, which combined cover almost two-thirds of the watershed.  Northeastern Modified Successional Forest is the largest forest community.  Northeastern Piedmont Mesic Oak-Beech Forest ranks #4 and agricultural field brings up the rear at #5.

White Clay Creek Watershed Vegetation Community/Land Covers (Top 5 for 2007)
Vegetation Community/Land Cover Acres Hectares
Cultivated Lawn 11,262.90 4,557.94
Impervious Surface 7,076.50 2,863.76
Northeastern Modified Successional Forest 4,837.94 1,957.85
Northern Piedmont Mesic Oak-Beech Forest 1,264.13 511.57
Agricultural Field 1,237.29 500.71

*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.