Harwood Dam, located in Sioux County, Nebraska, was completed in 1960 for the primary purposes of fire protection, stock watering, and serving as a small fish pond. This earth dam stands at a height of 20 feet and spans 350 feet in length, with a storage capacity of 215.7 acre-feet and a surface area of 20.2 acres. The dam is regulated by the Nebraska Department of Natural Resources and undergoes regular inspections and enforcement to ensure its structural integrity.

Despite its low hazard potential, Harwood Dam plays a crucial role in water resource management for the area, with a normal storage capacity of 162.6 acre-feet and a drainage area of 3.1 square miles. The dam is situated along TR-Whitehead Creek and is overseen by the Omaha District of the U.S. Army Corps of Engineers. While its condition is currently not rated, the dam has a designated inspection frequency of 10 years to assess any potential risks and implement necessary maintenance measures.

For water resource and climate enthusiasts, Harwood Dam serves as a key structure in maintaining water supply for fire protection and livestock needs in the region. With its stone core and soil foundation, the dam stands as a testament to the importance of efficient water management in rural areas. As efforts continue to regulate and monitor the dam's condition, it remains a vital component in the sustainable utilization of water resources in Sioux County, Nebraska.