J. R. Holder is a privately owned earth dam located in Milledgeville, Georgia, along Beaverdam Creek. Built in 1965 by the Natural Resources Conservation Service, this dam serves primarily as a Fish and Wildlife Pond, with additional purposes including Fire Protection, Stock, Or Small Fish Pond, and Recreation. Standing at a height of 29 feet and a length of 525 feet, this dam has a storage capacity of 43 acre-feet and a low hazard potential rating.

With a drainage area of 0.09 square miles, J. R. Holder has a maximum discharge capacity of 90 cubic feet per second and features an uncontrolled spillway with a width of 40 feet. Despite its moderate risk assessment level of 3, the condition assessment for this dam is currently listed as "Not Available." Emergency action plans and risk management measures are also not documented for this structure, highlighting potential areas of improvement in terms of safety and maintenance. Water resource and climate enthusiasts may find J. R. Holder to be an intriguing case study for understanding the management of dams and the importance of proactive maintenance and monitoring in safeguarding water resources.