Dd No N-2 (Gross), also known as Delaware WS Joint District No 10 N2, is a flood risk reduction structure located in Half Mound, Kansas. Owned by the local government and regulated by the Kansas Department of Agriculture, this earth dam was designed by the USDA NRCS and completed in 1977. With a height of 31 feet and a storage capacity of 135.08 acre-feet, it serves to protect the surrounding area from potential flooding events along the Nebo Creek-TR river or stream.

The dam has a low hazard potential and is currently rated as 'Not Rated' in terms of condition assessment. Despite its age, Dd No N-2 (Gross) continues to fulfill its primary purpose of flood risk reduction effectively. The structure does not have outlet gates and features an uncontrolled spillway with a width of 90 feet. With a moderate risk assessment score of 3, the dam is regularly inspected and meets state regulatory guidelines for operations and maintenance.

Overall, Dd No N-2 (Gross) is an essential infrastructure for managing flood risks in the Jackson County area of Kansas. Maintaining the integrity and functionality of this earth dam is crucial for protecting the community and surrounding properties from potential water-related disasters. As water resource and climate enthusiasts, understanding the design, purpose, and current status of Dd No N-2 (Gross) provides valuable insights into the ongoing efforts to safeguard the region against flooding events.