Perkins Township (Swan Island) is an unorganized territory in Sagadahoc County, Maine, United States. Originally incorporated as the town of Perkins, it has been uninhabited since being abandoned by the 1940s. The township comprises Swan Island, Little Swan Island and some tidal flats - all within the Kennebec River between the towns of Richmond and Dresden. The Swan Island Historic District comprises most of the township, with 8 buildings, 5 structures and 1,500 acres (610 ha). Some of the buildings date to the 1750s. The district was added to the National Register of Historic Places in 1995. The entire township is now protected as the Steve Powell Wildlife Management Area, and is under the jurisdiction of the Maine Department of Inland Fisheries and Wildlife. Camping, hunting, fishing, a