Olsen Gsd No 54, also known as the Little Delaware Mission Cr WS Dam 54, is a local government-owned structure located in Horton, Kansas. Built in 2003 by the USDA NRCS, this earth dam serves the primary purpose of debris control along Mission Creek. Standing at a height of 19 feet with a hydraulic height of 16 feet, the dam spans 525 feet in length and has a storage capacity of 109 acre-feet.

With a low hazard potential and a moderate risk assessment rating, Olsen Gsd No 54 plays a crucial role in managing the water resources in the area. The dam has a normal storage capacity of 21 acre-feet and covers a surface area of 6.01 acres, serving a drainage area of 0.56 square miles. The uncontrolled spillway, with a width of 70 feet, helps regulate the water flow and prevent potential flooding downstream.

Despite its age, Olsen Gsd No 54 has not been rated for its condition, but it continues to fulfill its purpose effectively. With no associated structures and no state jurisdiction or permitting requirements, the dam stands as a testament to the importance of proper water resource management in maintaining a sustainable environment for both the community and the local wildlife.