Plowden Pond Dam, also known as Sadie Windham Dam, is a private-owned structure located in Clarendon, South Carolina. Completed in 1955, this earth-type dam stands at a height of 13 feet and spans 140 feet in length, with a storage capacity of 91 acre-feet. The primary purpose of the dam is for recreation, providing a serene and picturesque setting for water resource and climate enthusiasts to enjoy.

Despite its low hazard potential, the dam's condition assessment was rated as poor during its last inspection in October 2017. The dam is regulated by the South Carolina Department of Health and Environmental Control (DHEC), which oversees permitting, inspection, and enforcement activities. Although the dam has not been modified in recent years, its maintenance and upkeep are crucial to ensuring the safety and longevity of this recreational water resource.

With its location along the TR-Pocotaligo River and proximity to the Charleston District of the US Army Corps of Engineers, Plowden Pond Dam serves as a key feature for water enthusiasts seeking outdoor recreation in South Carolina. As efforts to assess and manage risks associated with the dam continue, it remains a valuable resource for the community while highlighting the importance of responsible water resource management in the face of changing climate conditions.