Located in Guthrie County, Iowa, the Sumner Dam is a private earth dam that was completed in 1974 for purposes including fire protection, stock, and small fish pond management. With a height of 29 feet and a length of 415 feet, the dam has a storage capacity of 37 acre-feet and serves as a vital water resource along TR-Brushy Creek. The dam is under the jurisdiction of the Iowa Department of Natural Resources and is regulated, inspected, and enforced by state authorities to ensure its safety and functionality.

Despite its low hazard potential and moderate risk assessment, the Sumner Dam remains a key infrastructure for the local community in Monteith, providing essential water resources for various purposes. The dam is owned by a private entity and was designed by the USDA NRCS, showcasing a collaborative effort in water resource management. While the dam has not been rated for its condition assessment, it continues to play a crucial role in water conservation and management in the region, highlighting the importance of sustainable infrastructure for climate and water enthusiasts.

With its uncontrolled spillway type and moderate risk management measures, the Sumner Dam stands as a testament to effective water resource management in Iowa. While the dam does not fall under USACE jurisdiction, it remains a significant structure for fire protection and agricultural purposes in the area. As climate change continues to impact water resources, the Sumner Dam serves as a reminder of the importance of sustainable infrastructure and effective risk assessment in ensuring the resilience of water systems in the face of environmental challenges.