Dd No 2-18b, also known as Pawnee Watershed No 2-18b, is a dam located in Hodgeman County, Kansas, owned by the local government and designed by the USDA NRCS. Built in 1973, this Earth dam stands at a height of 25.9 feet and serves primarily for flood risk reduction in the area. With a storage capacity of 1110 acre-feet and a drainage area of 5.1 square miles, this structure plays a crucial role in managing water resources in the region.

Managed by the Kansas Department of Agriculture, this dam is state-regulated and undergoes regular inspections to ensure its structural integrity and functionality. The dam's low hazard potential and satisfactory condition assessment indicate its reliability in providing flood protection to the surrounding area. Although it has not been modified in recent years, the dam continues to meet its intended purpose effectively, with a maximum discharge capacity of 2800 cubic feet per second.

Situated on Dry Creek-TR, Dd No 2-18b plays a vital role in water resource management in the region, offering flood protection and peace of mind to the residents of Hanston. With a history of successful operation and maintenance, this dam is a key component of the local water infrastructure, highlighting the importance of proper planning and regulation in ensuring the safety and security of communities in the face of climate variability and water-related hazards.