Caballo Dam
Caballo Dam is an earthen dam on the Rio Grande about downstream from Truth or Consequences, New Mexico, United States. In conjunction with Elephant Butte Dam, which lies about upstream, it regulates the discharge of the river in the lower Rio Grande Valley of New Mexico. Caballo serves as an afterbay for the Elephant Butte Reservoir, i.e. it stores water released from Elephant Butte for hydroelectricity generation purposes and discharges it in the dry season to provide for irrigation agriculture downstream. The dam is an important part of the Rio Grande Project. A secondary purpose of the dam  was to compensate for lost capacity in Elephant Butte Lake due to sedimentation. Caballo Dam is high and stands above the Rio Grande. It is long and contains of material. The elevation of the crest is and the average elevation of its reservoir, Caballo Lake, is . The dam has two water outlets; the outlet works have a capacity of , and the main spillway has a capacity of . Caballo Lake is roughly long and stores up to of water.