Polo is a privately owned earth dam located in Polo Ranch, Wyoming, designed by PILCH ENGINEERING and completed in 1999 for irrigation purposes. It stands at a height of 29 feet and has a storage capacity of 134 acre-feet, with a normal storage level of 95 acre-feet. The dam spans 1,160 feet in length, impounding water from Hanna Creek and serving as a vital resource for fire protection, livestock, fish and wildlife, and irrigation.

Despite its low hazard potential and fair condition assessment, Polo Dam is subject to regular state inspection, regulation, and enforcement to ensure its safety and functionality. The spillway, with a width of 100 feet, is uncontrolled, allowing for the release of excess water during high flow events. The dam's moderate risk assessment level indicates a need for ongoing risk management measures, highlighting the importance of maintaining the dam's integrity for the surrounding community and ecosystem.

Located in Sheridan County, Wyoming, Polo Dam plays a crucial role in water resource management, providing essential irrigation water for agricultural activities in the region. With its strategic location and design features, this earth dam serves as a key infrastructure asset for sustaining water supply and supporting various water-related activities, highlighting the intersection of water resource management and climate resilience in the area.