West Halfway Detention Dam, located in Solomon, Arizona, is a gravity dam primarily designed for debris control on the San Simon River. Owned and operated by the Bureau of Land Management, this federal structure stands at a structural height of 21 feet, with a hydraulic height of 15 feet, and a length of 940 feet. The dam has a maximum storage capacity of 405.04 acre-feet, with a normal storage level of 23.68 acre-feet, covering a surface area of 84 acres and serving a drainage area of 3.53 square miles.

With a low hazard potential and fair condition assessment, West Halfway Detention Dam has been inspected periodically, with the last inspection conducted in July 2015. The dam features an uncontrolled spillway with a width of 2 feet and has no outlet gates or associated structures. While the risk assessment for the dam is rated as moderate, there are no specific risk management measures or emergency action plans documented. Overall, West Halfway Detention Dam serves a crucial role in managing debris and enhancing water resource management in the region, catering to the environmental needs of the surrounding area.