Sewell Branch is a long 3rd order tributary to Andover Branch in Kent and Queen Annes Counties, Maryland. In Maryland, Sewell Branch forms the boundary in part of Kent and Queen Annes Counties.

Variant names According to the Geographic Names Information System, it has also been known historically as: Mill Branch Sewells Branch Wiccomis Branch Wickomis Branch

Course Sewell Branch rises on the Pinks Branch divide at Underwood Corner, Delaware. Sewell Branch then flows westerly into Maryland to meet Andover Branch about 1 mile southeast of Peacock Corners, Maryland.

Watershed Sewell Branch drains of area, receives about 44.7 in/year of precipitation, has a topographic wetness index of 673.20 and is about 6.8% forested.

See also List of rivers of Delaware

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