Four-H Recreation Dam, located in Muscatine Lake, Louisa County, Iowa, was completed in 1977 with a primary purpose of recreation. Owned privately, the dam is regulated by the Iowa Department of Natural Resources and is subject to state permitting, inspection, and enforcement. Designed by the USDA NRCS, this earth dam stands at a height of 35 feet and spans 183 feet in length, providing a storage capacity of 70 acre-feet.

With a surface area of 4.8 acres and a drainage area of 0.3 square miles, Four-H Recreation Dam serves as a popular recreational spot for water resource and climate enthusiasts. The dam has a low hazard potential and a moderate risk assessment rating. Although the condition assessment is not rated, the dam meets regulatory guidelines and is regularly inspected for safety and maintenance. The spillway type is uncontrolled, and the dam has a normal storage capacity of 34 acre-feet.

Despite its age, Four-H Recreation Dam continues to provide a safe and enjoyable environment for outdoor activities such as fishing, boating, and wildlife observation. With its picturesque location and well-maintained facilities, this earth dam remains a valuable asset for the community and a key contributor to the region's water resource management efforts.