Latty Dam, located in Des Moines, Iowa, serves multiple purposes including fire protection and providing a habitat for small fish. Built in 1966 by the USDA NRCS, this private-owned earth dam stands at a height of 32 feet and has a storage capacity of 35 acre-feet. The dam sits on the TR-Yellow Spring Creek, a tributary of the Mississippi River, and is regulated by the Iowa Department of Natural Resources.

With a low hazard potential and a moderate risk assessment rating, Latty Dam has not been officially rated for its condition as of yet. Despite its age, the dam has not undergone any major modifications since its last inspection in 1965. The spillway type for the dam is uncontrolled, indicating that water flow is not regulated. Although there are no associated structures or outlet gates, the dam continues to play a vital role in water resource management in the area.

Water resource and climate enthusiasts will find Latty Dam to be an intriguing structure due to its historical significance and the various purposes it serves. As part of the Rock Island District, the dam provides essential water storage for fire protection and serves as a habitat for aquatic life. The dam's location on the TR-Yellow Spring Creek highlights its importance in the local ecosystem and its role in managing water flow in the region. With its unique design and regulatory oversight by the Iowa DNR, Latty Dam stands as a testament to the importance of sustainable water resource management in Iowa.