Monona County Roadgrade Dam 23-82-43, located in Moorhead, Iowa, is a local government-owned structure regulated by the Iowa Department of Natural Resources. Completed in 1988, this earth dam on Elk Creek stands at 29 feet tall and stretches 180 feet in length, with a storage capacity of 75 acre-feet. The dam serves a primary purpose of "Other" and has a low hazard potential with a moderate risk assessment rating.

Despite its low hazard potential, Monona County Roadgrade Dam 23-82-43 plays a crucial role in managing water resources in the area, with a normal storage capacity of 5 acre-feet and a drainage area of 13.5 square miles. The dam's uncontrolled spillway and soil foundation contribute to its overall structural integrity. While the dam's condition has not been officially rated, it is subject to state inspections, permitting, and enforcement to ensure public safety and optimal performance.

For water resource and climate enthusiasts, Monona County Roadgrade Dam 23-82-43 presents an opportunity to study the impact of local government-owned structures on flood control and water management in the region. With its location on Elk Creek and its association with the Rock Island District of the US Army Corps of Engineers, this dam serves as a key infrastructure piece in the broader network of water resource management in Monona County, Iowa, making it an important subject for further research and analysis.