Billings Mill Brook is a tributary of Tunkhannock Creek in Wyoming County, Pennsylvania, in the United States. It is approximately 3.5 miles (5.6 km) long and flows through Lemon Township and Tunkhannock Township. The watershed of the stream has an area of 12.7 square miles (33 km2). The stream has one named tributary, which is known as Kern Glen Creek. The surficial geology in the vicinity of Billings Mill Brook mainly consists of Wisconsinan Till, alluvium, and several others. A lake known as Lake Carey is in the stream's watershed. A number of bridges have also been constructed over Billings Mill Brook. The stream's watershed is designated as a Coldwater Fishery and a Migratory Fishery.

South Branch Tunkhannock Creek is a tributary of Tunkhannock Creek in Lackawanna County and Wyoming County, in Pennsylvania, in the United States. It is approximately 22.5 miles (36.2 km) long and flows through Scott Township, Benton Township, North Abington Township, and La Plume Township in Lackawanna County and Clinton Township, Factoryville, and Tunkhannock Township in Wyoming County. The watershed of the creek has an area of 98.3 square miles (255 km2). The creek's named tributaries include Trout Brook, Ackerly Creek, and Kennedy Creek. South Branch Tunkhannock Creek is not designated as an impaired waterbody and has relatively good water quality.