Semroska Dam, located in Sioux County, Nebraska, is a privately owned structure primarily used for irrigation purposes. Built in 1951 by the USDA NRCS, this earth dam stands at a height of 24 feet and has a length of 690 feet, providing a storage capacity of 98 acre-feet. Despite its age, the dam is regulated, inspected, and enforced by the Nebraska Department of Natural Resources, ensuring its safety and functionality.

The dam, situated on the TR-Hat Creek, plays a crucial role in managing water resources in the area, with a low hazard potential and a poor condition assessment as of the last inspection in 2016. Although it may be showing signs of wear and tear, the dam continues to serve its purpose effectively, with a normal storage capacity of 44 acre-feet and a maximum discharge capacity of 1150 cubic feet per second. With its stone core and soil foundation, Semroska Dam remains an integral part of the local water infrastructure.

Water resource and climate enthusiasts will appreciate the significance of Semroska Dam in maintaining irrigation supplies and regulating water flow in the region. As a key structure designed by the USDA NRCS, the dam stands as a testament to effective water management practices, ensuring the sustainability of agricultural activities in Sioux County, Nebraska. Despite its age and condition, Semroska Dam continues to be a vital asset in the conservation and utilization of water resources for the benefit of the surrounding community.