Dd No 2, also known as Cedar Creek Watershed Dam No 2, is a crucial infrastructure owned by the local government in Altoona, Kansas. Designed by USDA NRCS, this Earth-type dam serves the primary purpose of flood risk reduction in the area. With a height of 17 feet and a storage capacity of 471.48 acre-feet, it plays a vital role in protecting the community from potential water-related disasters.

Situated along the Little Cedar Creek-TR, Dd No 2 is regulated by the Kansas Department of Agriculture and undergoes regular inspections and enforcement to ensure its structural integrity. Despite its low hazard potential, the dam is considered to have moderate risk (3) due to its location and surrounding factors. With a spillway width of 122 feet and a maximum discharge of 868 cubic feet per second, Dd No 2 is equipped to handle excess water flow during heavy rainfall events.

Although the dam's completion year is not specified, its design and construction by the Natural Resources Conservation Service demonstrate a commitment to water resource management and climate resilience. With its strategic location and functional features, Dd No 2 stands as a critical asset in safeguarding the local community and surrounding areas from the impacts of flooding and water-related emergencies.