Semmes Lake, located in Columbia, South Carolina, is a picturesque water resource managed by the US Army for recreational purposes. Built in 1940, this earth dam stands at 22 feet high and spans 970 feet in length, creating a serene surface area of 29 acres. With a storage capacity of 641 acre-feet and a maximum discharge of 800 cubic feet per second, Semmes Lake provides a tranquil setting for outdoor activities and wildlife observation.

Despite its primary purpose for recreation, Semmes Lake poses a significant hazard potential due to its uncontrolled spillway and moderate risk assessment rating. The dam is inspected every four years, with the last assessment conducted in March 2021. While the condition assessment is not available, the emergency action plan was last revised in June 2010, indicating a proactive approach to ensuring the safety and security of the surrounding community in the event of a dam failure.

With its scenic location along Wildcat Creek and close proximity to the urban hub of Columbia, Semmes Lake offers a unique blend of natural beauty and outdoor recreation opportunities. Managed by the US Army, this historic earth dam continues to be a beloved destination for water resource and climate enthusiasts seeking a peaceful retreat in the heart of South Carolina.