Donaldson is a privately owned earth dam located in Clearmont, Wyoming, along the Donaldson Draw. Completed in 1970, this dam serves multiple purposes, including fire protection, stock watering, and creating a small fish pond. With a height of 27 feet and a hydraulic height of 22 feet, Donaldson has a storage capacity of 61 acre-feet and a surface area of 5 acres.

Despite being classified as having a low hazard potential, Donaldson is regularly inspected and maintained to ensure its structural integrity. The dam is equipped with an uncontrolled spillway, 45 feet wide, to manage excess water flow. Its condition was last assessed as fair in June 2021, with a moderate risk level assigned. The dam's emergency action plan status and risk management measures are currently unknown, indicating a potential area for improvement in safety protocols.

Located in Congressional District 00 of Wyoming, Donaldson plays a crucial role in local water resource management and ecosystem support. With its strategic placement along the Donaldson Draw, this dam contributes to fire protection efforts, livestock water supply, and recreational fishing opportunities. Climate enthusiasts and water resource professionals alike can appreciate the importance of Donaldson in maintaining a sustainable and resilient environment in Johnson County, Wyoming.