West Antelope 58-80-27-05, located in Sheridan, Wyoming, is a privately-owned irrigation dam completed in 2006 with a primary purpose of irrigation. The dam, designed by Mike Cole of Pearl Field Services, stands at a height of 27 feet and has a hydraulic height of 20 feet. It has a storage capacity of 84 acre-feet and a surface area of 5.3 acres, serving as a crucial water resource for the surrounding area.

Situated on TRIB. WADDLE CREEK, West Antelope 58-80-27-05 is regulated by the Wyoming State regulatory agencies, with inspections and enforcement measures in place to ensure its structural integrity. The dam has a low hazard potential and is currently assessed to be in fair condition as of the last inspection in September 2019. With a moderate risk assessment rating, the dam plays a vital role in water management and agricultural activities in the region. Overall, West Antelope 58-80-27-05 represents a key infrastructure asset in the state's water resource management efforts.

This Earth-type dam, constructed with stone core materials, spans 810 feet in length and has a maximum discharge capacity of 11 cubic feet per second. Despite its relatively low hazard potential, the dam is subject to regular inspections and maintenance to ensure its continued safe operation. With Liz Cheney serving as the Congressional representative for the area, West Antelope 58-80-27-05 stands as a testament to the importance of sustainable water resource management practices in the face of changing climate conditions.