Hacklebarney-Pierson Dam, located in Villisca, Iowa, is a private earth dam designed by USDA NRCS for grade stabilization purposes. Completed in 2005, this dam stands at a height of 26 feet and has a length of 420 feet, providing a storage capacity of 89 acre-feet. With a primary purpose of grade stabilization, the dam also serves other functions such as fire protection, stock or small fish pond, and recreation.

Situated on a tributary to the West Nodaway River, this dam plays a crucial role in managing water resources in Montgomery County, Iowa. With a low hazard potential and a condition assessment of "Not Rated," the dam poses minimal risks while offering essential benefits to the local community. While it does not have a spillway or outlet gates, the dam is equipped to handle a maximum discharge of 105 cubic feet per second.

Overall, Hacklebarney-Pierson Dam serves as a vital infrastructure for water resource management in the region, ensuring grade stabilization and providing storage for various purposes. With its strategic location and design, this dam contributes to the overall resilience of the area's water infrastructure while offering recreational opportunities for the residents of Villisca and surrounding areas.