Plxett Dam, located in Ardmore SD, Nebraska, is a privately owned structure designed for irrigation purposes along the TR-Prairie Dog Creek. Built in 1929, this earth dam stands at a height of 18 feet and spans 960 feet in length, with a storage capacity of 140 acre-feet. Despite its low hazard potential, Plxett Dam is regulated and inspected by the Nebraska Department of Natural Resources to ensure its fair condition and continued safety.

With its primary purpose of irrigation, Plxett Dam serves the surrounding agricultural community by providing a reliable water source for crop cultivation. The dam's proximity to the Prairie Dog Creek and its strategic location in Sioux County make it a vital resource for sustaining local farms and promoting agricultural development in the region. Additionally, the dam's fair condition and regular inspections contribute to its longevity and effectiveness in managing water resources for irrigation purposes.

As a key component of the local water infrastructure, Plxett Dam plays a crucial role in water management and agriculture in the area. Its design and construction, overseen by private owners, reflect a commitment to sustainable irrigation practices and the preservation of natural resources. Through ongoing inspections and regulatory oversight, Plxett Dam continues to fulfill its purpose of providing essential water resources for the community while maintaining a safe and reliable water supply for future generations.