Three Mile Creek Watershed Site 36 is a crucial water resource in Iowa, owned and regulated by the local government and the Iowa Department of Natural Resources. Designed by the USDA NRCS, this earth dam stands at a height of 35 feet and has been serving multiple purposes since its completion in 1976, including fire protection, stock, and small fish pond management, as well as flood risk reduction. With a storage capacity of 61 acre-feet and a drainage area of 0.14 square miles, this dam plays a vital role in managing water resources in the Union County region.

Situated in Talmage, Iowa, along the TR-Three Mile Creek, this dam has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. Despite its moderate risk level, the dam has not been assessed for emergency action plan preparedness or risk management measures. With a surface area of 3.8 acres and a normal storage capacity of 39 acre-feet, the dam provides essential water management functions for the local community. Although its spillway is uncontrolled, the dam has not experienced any significant modifications or incidents since its construction.

Overall, Three Mile Creek Watershed Site 36 is a valuable asset for water resource and climate enthusiasts in Iowa, serving as a key infrastructure for flood risk reduction and water storage. Managed by local government authorities and the Iowa DNR, this dam plays a crucial role in maintaining water quality and quantity in the Union County region. With its strategic location and multi-purpose design, this earth dam continues to contribute to the sustainable management of water resources in the area.