The Mud Lake Wetland South Dam, located in Cherry County, Nebraska, was completed in 2000 and serves as a vital resource for fish and wildlife conservation. Owned privately and regulated by the Nebraska Department of Natural Resources, this earth dam stands at a height of 19 feet and has a hydraulic height of 16 feet, with a total structural height of 28 feet. The dam has a storage capacity of 7,209 acre-feet, providing essential water resources for the surrounding area.

With a surface area of 475 acres and a drainage area of 13.7 square miles, the Mud Lake Wetland South Dam plays a crucial role in managing water levels and supporting the ecosystem of Mud Creek. The dam has a low hazard potential and is in satisfactory condition as of the last assessment in May 2019. The dam is inspected every 5 years to ensure its safety and functionality, with emergency measures in place to address any potential risks. Overall, the Mud Lake Wetland South Dam is a key component of water resource management and wildlife conservation efforts in the region, showcasing the importance of sustainable infrastructure for climate resilience.