Uhl, also known as Elk Ranch Reservoir, is a privately owned water resource located in Moose, Wyoming. The dam was designed by John C. Simpson and serves primarily for irrigation purposes, with additional benefits for fish and wildlife. Completed in 1948, the earth dam has a height of 20 feet and a maximum storage capacity of 756 acre-feet, with a normal storage of 543 acre-feet.

Situated on Spread Creek in Teton County, Uhl covers a surface area of 83 acres and has a spillway width of 30 feet. Despite its low hazard potential, the dam's condition assessment is rated as poor, with the last inspection conducted in August 2018. The risk assessment for Uhl indicates a moderate risk level (3), highlighting the importance of ongoing monitoring and maintenance to ensure the safety and integrity of the structure.

With a history dating back over 70 years, Uhl represents a vital water management asset in the region. As a key component of the local irrigation infrastructure, it plays a crucial role in supporting agricultural activities and enhancing the natural environment. As climate change continues to impact water resources, the maintenance and upkeep of structures like Uhl are essential for ensuring sustainable water use and resilience in the face of evolving environmental challenges.