Keokuk County Roadgrade Dam 7-75-13, located in North Skunk River, Iowa, is a privately owned earth dam completed in 1982 with a height of 32 feet and a length of 650 feet. The dam serves a primary purpose of "Other" and is regulated by the Iowa Department of Natural Resources (DNR). With a storage capacity of 190 acre-feet and a normal storage level of 42 acre-feet, the dam covers a surface area of 5.1 acres and drains a 0.62 square mile watershed area.

Despite being classified as having a low hazard potential, the dam's risk assessment is moderate, indicating a level 3 risk. The condition of the dam is currently not rated, and it has not been inspected recently. The spillway type is listed as uncontrolled, with no outlet gates specified. The dam is situated in a picturesque location in Keokuk County, Iowa, and while it may not be a high-risk structure, its maintenance and monitoring are essential to ensure the safety of the surrounding area and the North Skunk River ecosystem.