Horse Lake Dam, located in Sioux City, Iowa, is a vital water resource managed by the local government for fire protection, stock, and small fish pond purposes. Built in 1963 by the USDA NRCS, this earth dam stands at a height of 67 feet and spans 730 feet in length, with a storage capacity of 391 acre-feet. Situated on TR-Perry Creek, the dam serves to regulate water flow and provide essential water resources to the surrounding area.

The dam is under the regulatory jurisdiction of the Iowa Department of Natural Resources, with state permitting, inspection, and enforcement in place to ensure its safe operation. Despite being classified with a significant hazard potential, the condition assessment in 2016 deemed it satisfactory, with a moderate risk level. The dam is equipped with an uncontrolled spillway and has a surface area of 18.6 acres, serving as a crucial infrastructure for water resource management and climate resilience in the region.

With a history of serving the community for over half a century, Horse Lake Dam stands as a testament to the importance of sustainable water resource management. As climate change continues to impact water availability and quality, the dam plays a crucial role in mitigating risks and supporting the local ecosystem. Its maintenance and upkeep are essential to ensure continued water security for the area, highlighting the critical intersection of water resources and climate resilience.