Parsons Dam, located in Linn County, Iowa, is a privately owned earth dam completed in 2004 for the primary purpose of recreation. With a height of 29 feet and a length of 1,150 feet, the dam has a storage capacity of 52 acre-feet and covers a surface area of 4.5 acres. The dam regulates the flow of the TR-Cedar River and is under the jurisdiction of the Iowa Department of Natural Resources.

Managed by Hall & Hall Engineers, Parsons Dam is classified as having a low hazard potential and a moderate risk level. The dam's spillway is uncontrolled with a width of 1 foot. Despite being not rated in terms of condition assessment, the dam has been permitted, inspected, and regulated by the state of Iowa. With its scenic location and recreational opportunities, Parsons Dam provides a valuable water resource for the community while also serving as a vital structure for managing river flow and mitigating flood risks in the area.