Sandstone, located in Johnson County, Wyoming, is a federally owned earth dam completed in 1956 for fire protection, stock, and small fish pond purposes. The dam, standing at 39 feet tall with a hydraulic height of 34 feet, is situated along the Sandstone Draw river. With a storage capacity of 71 acre-feet, the dam covers a surface area of 5 acres and serves as a low hazard structure with a fair condition assessment.

Managed by the U.S. Army Corps of Engineers' Omaha District, Sandstone features an uncontrolled spillway with a width of 40 feet and no outlet gates. Despite its low hazard potential, the dam undergoes inspections every five years, with the last assessment conducted in May 2018. With its moderate risk assessment rating, Sandstone serves as a critical infrastructure for water resource management in the region, showcasing the importance of maintaining and monitoring such structures in the face of changing climate conditions.