Geiser Dam, located in Ardmore, South Dakota, is a private-owned structure primarily used for irrigation purposes on the TR-Hat Creek. Built in 1940, this earth dam stands at a height of 13 feet and has a storage capacity of 57 acre-feet. With a low hazard potential and satisfactory condition assessment, the dam is regulated, inspected, and enforced by the Nebraska Department of Natural Resources.

Although Geiser Dam has not undergone any modifications in recent years, it continues to serve as a crucial water resource infrastructure in Sioux County, Nebraska. The dam's design includes a stone core and a soil foundation, providing stability and support for its structure. With a normal storage capacity of 28 acre-feet, the dam plays a vital role in ensuring efficient water distribution for agricultural purposes in the region.

Despite its modest size, Geiser Dam plays a significant role in water management and irrigation in the area. With its strategic location and reliable design, the dam contributes to the sustainable use of water resources while minimizing potential risks. As an essential component of the local water infrastructure, Geiser Dam exemplifies the importance of well-maintained and regulated dams in ensuring water security and climate resilience in the region.