Odegard 6-12-55-77 is a privately owned earth dam located in Powder River, Wyoming, specifically in the Sheridan County area. Completed in 2010, this dam serves multiple purposes including fire protection, stock watering, and creating a small fish pond. With a height of 26 feet and a hydraulic height of 21 feet, this structure spans 262 feet in length and has a storage capacity of 28 acre-feet. The dam is situated on the Elad Draw river or stream and has a drainage area of 0.09 square miles, with a spillway width of 20 feet for uncontrolled water discharge.

Despite being classified as low hazard potential, Odegard 6-12-55-77 is in fair condition as of the last inspection in September 2020. The dam has a moderate risk assessment rating of 3, indicating a need for ongoing monitoring and maintenance. With a valve outlet gate and a surface area of 1.63 acres, this structure plays a crucial role in water resource management and conservation efforts in the region. Water resource and climate enthusiasts will find this dam to be an intriguing example of infrastructure designed to support both human and ecological needs in the area.