Eldon Thompson is a private fish and wildlife pond located in Barnesville, Minnesota, within the Otter Tail County. The dam, completed in 1997 by USDA NRCS, stands at a height of 12 feet and has a maximum storage capacity of 122 acre-feet. The primary purpose of Eldon Thompson is to provide habitat for fish and wildlife, with a normal storage capacity of 50.9 acre-feet and a surface area of 17 acres.

The dam on Eldon Thompson is classified as an earth dam with stone core types and a soil foundation. It has a drainage area of 0.2 square miles and a maximum discharge capacity of 70 cubic feet per second. The spillway, which is uncontrolled, has a width of 10 feet. Despite the low hazard potential and moderate risk assessment, the condition of the dam is currently not rated, and it undergoes inspection every 8 years.

Overall, Eldon Thompson serves as a valuable resource for conservation and wildlife management in the region. With its strategic location on TR Whisky Creek and its contribution to the enhancement of fish and wildlife habitats, this dam exemplifies the importance of sustainable water resource management in mitigating the impacts of climate change and promoting biodiversity in Minnesota.