Fort Phantom Hill Reservoir is located near Nugent, Texas in the US. The reservoir was constructed in 1938 as a flood control measure on Elm Creek, a tributary of the Clear Fork of the Brazos River. The lake provides water for agricultural and recreational uses, including boating, fishing, camping, and hiking. The hydrology of the reservoir is primarily influenced by rainfall and runoff from the surrounding watersheds. The surface flow into the reservoir is supplemented by snowpack from the nearby mountains. The lake is considered an important water source for the region and is managed by the City of Abilene. The reservoir has a storage capacity of 38,000 acre-feet and covers an area of 4,213 acres.