Deemer Dam, located in Rathbun Reservoir, Iowa, is a privately owned structure designed by SCS and regulated by the Iowa DNR. Completed in 1984, this earth dam stands at a height of 28 feet and spans 470 feet, with a storage capacity of 122 acre-feet. Its primary purposes include fire protection and serving as a pond for small fish or livestock. The dam is situated on TR- Duck Valley Creek, within the Rock Island District, and falls under the jurisdiction of the state of Iowa.

Despite being classified with a low hazard potential and a moderate risk assessment, Deemer Dam has not received a condition rating and lacks an emergency action plan. With no recorded inspections or maintenance activities, there is a need for increased oversight and assessment to ensure the safety and functionality of this structure. Water resource and climate enthusiasts may find Deemer Dam to be an intriguing case study for understanding the importance of proper regulation and maintenance in ensuring the resilience of water infrastructure in the face of changing environmental conditions.