Puckum BranchPuckum Branch is a long second-order tributary to Marshyhope Creek in Dorchester County, Maryland. This is the only stream of this name in the United States.CoursePuckum Branch rises about northeast of Eldorado, Maryland and then flows west-southwest to join Marshyhope Creek about 1 mile east of Ennalls, Maryland.WatershedPuckum Branch drains of area, receives about 44.4 in/year of precipitation and is about 22.74% forested.