River. One reach of the creek is a mid-sized coldwater stream. Another reach is a large freestone stream. Roaring Creek flows through rock formations consisting of sandstone and shale. Rocks in the watershed include claystones, conglomerates, sandstones, siltstones, and shales from the Devonian and Mississippian. Outcroppings of calcareous beds, limestones, and marine fossils occur in the watershed as well. Some mineable coal is present in the watershed of South Branch Roaring Creek. The Genesee beds appear along the creek and are the lowest beds that are visible above the water line. To the east, they are covered by Chemung beds. A soil known as the Albrights Series is found along the creek. It is a reddish-brown soil that is slightly poorly or moderately well drained and is made from glaciated red shale and sandstone. Roaring Creek has a 100 year floodplain. The average annual rate of precipitation in the watershed of Roaring Creek ranges from . In July 2003 and June 2004, the water temperature of the creek was found to range from at river mile 10.98 to at river mile 6.02. The air temperature near the creek ranged from at river mile 8.54 to at river mile 6.02. Watershed The watershed of Roaring Creek has an area of . The watershed occupies parts of Columbia County, Montour County, Northumberland County, and Schuylkill County. Most of the watershed is in Columbia County and smaller areas are in Montour County and Northumberland County. Only a very small area in its upper reaches is in Schuylkill County. The watershed is in the Lower North Branch Susquehanna drainage basin. The creek's mouth is in the United States Geological Survey quadrangle of Danville. However, its source is in the quadrangle of Shumans. The creek also passes through the quadrangle of Catawissa. Other quadrangles that the watershed is in include Shamokin, Ashland, and Mount Carmel. The creek flows in a generally northwesterly direction and serves as the border between Montour County and Columbia County in its last . Roaring Creek is one of three major streams draining the southern part of Columbia County. More than 40 percent of the watershed of Roaring Creek is on forested land, including evergreen and deciduous forests, as well as mixed forests. A significant portion of the forested land in the watershed is a tract of land along South Branch Roaring Creek. This tract was acquired by the Pennsylvania Department