Coal Creek is a tributary of the Susquehanna River in Luzerne County, Pennsylvania, in the United States. It is approximately 2.9 miles (4.7 km) long and flows through Plymouth Township and Plymouth. The watershed of the creek has an area of 1.46 square miles (3.8 km2). A reservoir known as Spring Brook Reservoir Number Four is situated on the creek. The surficial geology near the creek includes Wisconsinan Till, Wisconsinan Ice-Contact Stratified Drift, alluvium, coal dumps, and bedrock consisting of sandstone and shale. On July 3, 2011, Coal Creek flooded when 5 inches (13 cm) of rain fell in the watershed in less than 90 minutes. The flood caused $5 million in damage. The creek is designated as a Coldwater Fishery and a Migratory Fishery.