John Wilson Dam, located in Newberry, South Carolina, is a privately owned earth dam standing at a height of 26 feet and stretching 600 feet in length. This dam, built on TR-Turners Branch river or stream, serves the primary purpose of water storage with a capacity of 120 acre-feet and a normal storage level of 64 acre-feet. The dam features a controlled spillway type and has a hazard potential rated as low with fair overall condition assessment.

Managed by the South Carolina Department of Health and Environmental Control, John Wilson Dam is subject to state regulation, inspection, and enforcement. The dam poses a very high risk, marked as 1 on the risk assessment scale, emphasizing the importance of regular monitoring and maintenance to ensure its structural integrity and safety. With a history of last inspection in December 2017, the dam is deemed to meet guidelines for emergency action planning, but there is a need for updated emergency contacts and inundation maps for effective risk management.

Water resource and climate enthusiasts interested in John Wilson Dam can appreciate its significance in the local water infrastructure, its role in regulating water flow, and the potential impact of its risk level on downstream areas. This earth dam stands as a vital structure in managing water resources in the region, highlighting the importance of proactive measures to mitigate any potential hazards associated with its operation.