South Lake Dam, located in Linn County, Iowa, was completed in 1993 and serves as a private structure primarily used for fire protection, as well as a stock or small fish pond. This earth dam stands at a height of 28 feet and has a length of 352 feet, with a storage capacity of 47 acre-feet. The dam is situated on the TR-Spring Creek, and its purpose is regulated by the Iowa Department of Natural Resources.

Despite being classified as having a low hazard potential, South Lake Dam is considered to have a moderate risk level, indicating the need for careful monitoring and risk management measures. The dam's condition is currently marked as "Not Rated," suggesting a need for further assessment to ensure its structural integrity. While the dam has not been inspected in recent years, it is subject to state regulation, inspection, permitting, and enforcement to maintain safety standards and prevent potential hazards.

Overall, South Lake Dam presents an interesting case study for water resource and climate enthusiasts, showcasing the importance of private dam structures in providing essential services such as fire protection and water storage. With its location in a rural area and its role in supporting local ecosystems, the dam serves as a valuable resource that requires ongoing attention and maintenance to mitigate risks and safeguard its surrounding environment.