The LK Kemp NR Mabelle in Texas is a man-made reservoir that was built in the 1940s for flood control, water supply, and recreation purposes. The reservoir is fed by the South Sulphur River and serves as a water source for several nearby communities. The hydrology of the reservoir includes inflows from creeks and the river, as well as precipitation and runoff. The reservoir also has a spillway to control water levels during heavy rainfall. The area surrounding the reservoir is used for agricultural purposes, particularly for the production of wheat and cotton. Recreational activities such as fishing, boating, and camping are also popular at the reservoir. The surface flow and snowpack providers for the reservoir are the South Sulphur River and nearby creeks.