Lake Edwin Johnson Dam, located in Spartanburg, South Carolina, is a state-owned earth dam completed in 1942 with a primary purpose of recreation. Standing at a height of 36 feet and stretching 400 feet in length, the dam holds a maximum storage capacity of 570 acre-feet, with a normal storage level of 420 acre-feet. The dam is situated on Thompson Creek and covers a surface area of 38 acres, offering a picturesque setting for water resource and climate enthusiasts.

Despite its recreational appeal, Lake Edwin Johnson Dam poses a significant hazard potential and has been assessed as unsatisfactory in condition as of March 2019. The dam is subject to state regulation, inspection, and enforcement by SC DHEC, with a required inspection frequency of every three years. While the dam has no spillway or outlet gates, its construction with stone core types on a soil foundation highlights the engineering challenges faced in maintaining this vital water resource infrastructure.

As a beloved spot for outdoor activities and water-based recreation, Lake Edwin Johnson Dam serves as a reminder of the importance of effective dam management and emergency preparedness. With its rich history and scenic surroundings, the dam stands as a testament to the enduring need for sustainable water resource practices in the face of changing climate patterns.