Located in Mills County, Iowa, Dashner Dam stands as a private-owned structure designed by the USDA NRCS in 1959 for fire protection, stock, and small fish pond purposes. With a height of 37 feet and a length of 417 feet, this earth dam holds a storage capacity of 64 acre-feet, with a normal storage level of 21 acre-feet. Situated along the TR-Missouri River, the dam's low hazard potential and moderate risk assessment make it a key component of water resource management in the area.

The dam, regulated by the Iowa DNR, serves as a vital infrastructure for the community of Nebraska City, providing essential water storage and flood control measures. Despite being not rated for condition assessment, Dashner Dam continues to play a crucial role in maintaining water security and environmental stability in the region. With its uncontrolled spillway and soil foundation, the dam exemplifies the blend of functionality and efficiency in water resource management.

As climate change continues to impact water resources, Dashner Dam stands as a testament to sustainable infrastructure development and management. With its historical significance and ongoing operational importance, the dam represents a crucial link in the broader network of water infrastructure in Iowa. As water resource and climate enthusiasts, the preservation and upkeep of Dashner Dam should be a key priority to ensure continued water security and resilience in the face of evolving environmental challenges.