LK Palo Pinto is a reservoir located in Santo, Texas, with a total capacity of 10,366 acre-feet. The reservoir was built in 1939 by the Brazos River Authority to provide water to the surrounding area for irrigation and municipal purposes. The hydrology of the reservoir is supplied by the Palo Pinto Creek, which flows into the Brazos River. The reservoir is used for recreational activities such as fishing, boating, and camping. The reservoir also provides a source of water for agricultural purposes, including irrigation for crops such as cotton, wheat, and hay. The surrounding area receives an average annual snowpack of around 0.7 inches, which contributes to the surface flow of the reservoir. Overall, LK Palo Pinto plays an important role in providing water resources to the surrounding area for both agricultural and recreational purposes.