Acheson Dam, located in Decatur County, Iowa, was completed in 1995 by the USDA NRCS and serves multiple purposes including fire protection, stock, and small fish pond management. This earth dam stands at 32 feet high and spans 436 feet in length, with a storage capacity of 62 acre-feet. The dam is regulated by the Iowa Department of Natural Resources and is inspected regularly to ensure its safety and functionality.

Despite being classified as a low hazard potential structure, Acheson Dam poses a moderate risk due to its location on TR- Steel Creek. The dam features an uncontrolled spillway type and has a surface area of 5 acres, serving as a vital resource for water management in the region. While the condition assessment is currently not rated, the dam is equipped to handle emergency situations with updated emergency action plans, although the last revision date is unknown. Overall, Acheson Dam plays a crucial role in water resource management and climate resilience efforts in the area.