Holsapple Dam, located in Mt. Sterling, Iowa, was completed in 2000 by the USDA NRCS and serves as a private earth dam with a height of 30 feet and a length of 545 feet. The dam's primary purpose is for fire protection, stock, or as a small fish pond, with a storage capacity of 126 acre-feet and a surface area of 8.7 acres. It is regulated by the Iowa DNR and is in a low hazard potential category.

The dam, situated on the TR- FOX RIVER, falls under the jurisdiction of the Kansas City District of the US Army Corps of Engineers. Although it has not been rated for condition assessment, the risk level is moderate. The dam does not have any associated structures and does not feature a controlled spillway. Despite its low hazard potential, the dam plays a crucial role in providing water resources for the local area, highlighting the importance of proper maintenance and monitoring to ensure its continued functionality and safety.