Keller Dam, located in Ansley, Nebraska, is a private-owned earth dam designed by the USDA NRCS and completed in 1964. This structure on TR-MUD CREEK serves multiple purposes, including flood risk reduction. With a height of 19.4 feet and a storage capacity of 183.5 acre-feet, it plays a crucial role in managing water resources in the region.

Despite its low hazard potential, Keller Dam's condition is assessed as poor, with the last inspection conducted in November 2012. The dam's primary purpose extends beyond flood risk reduction, emphasizing its importance in water management and conservation efforts. The dam's location within Custer County highlights its significance in safeguarding the local environment and supporting the community's water needs.

Managed by the Nebraska Department of Natural Resources, Keller Dam stands as a testament to the intricate balance between water resource management and climate resilience. Its role in regulating water flow, controlling floods, and providing essential water storage underscores the need for proactive maintenance and monitoring. As a key component of the region's infrastructure, Keller Dam serves as a critical resource for water enthusiasts and climate advocates alike, showcasing the intersection of human ingenuity and environmental stewardship.