Garst Warehouse CO Dam, located in Guthrie County, Iowa, is a private earth dam designed by the USDA NRCS and completed in 1963. With a height of 24 feet and a length of 496 feet, this dam serves multiple purposes including fire protection and stock or small fish pond management. It has a storage capacity of 80 acre-feet and covers a surface area of 7 acres.

The dam is regulated by the Iowa Department of Natural Resources and has a low hazard potential, with a moderate risk assessment rating. Despite not being rated for its condition, the dam is inspected, permitted, and enforced regularly by the state agencies. Although it does not have an Emergency Action Plan (EAP) in place, the dam's risk management measures are deemed to be adequate.

Situated on the TR-Middle Raccoon River, Garst Warehouse CO Dam plays a crucial role in water resource management in the area. While it may not have a significant impact on the surrounding environment, its presence ensures the safety and stability of the water supply and ecosystem. For water resource and climate enthusiasts, this dam serves as a testament to the importance of maintaining and regulating man-made structures to support sustainable water management practices.