Trimble Dam, located in Ringgold County, Iowa, is a privately-owned structure designed by the Soil Conservation Service (SCS) with a primary purpose of fire protection and as a stock or small fish pond. Completed in 1984, the earth dam stands at a height of 19 feet and stretches 425 feet in length, with a storage capacity of 56 acre-feet. The dam is regulated by the Iowa Department of Natural Resources (DNR) and is inspected, permitted, and enforced by state authorities.

With a low hazard potential and a moderate risk assessment, Trimble Dam plays a crucial role in water resource management along the TR-KUDER CR. river or stream. Although the dam has not been rated for its current condition, its operation and maintenance are essential to ensuring its effectiveness in providing fire protection and water storage. Situated within the Rock Island District and under the jurisdiction of the state of Iowa, Trimble Dam is a key component in the local water infrastructure.

While Trimble Dam does not have a controlled spillway, its uncontrolled spillway type and moderate risk assessment indicate the need for continued monitoring and management. As a significant feature in the landscape of Ringgold County, Iowa, Trimble Dam serves both practical and environmental purposes, highlighting the intersection of water resource management and climate resilience in the region. As enthusiasts in these fields, understanding the design, purpose, and regulation of Trimble Dam can offer valuable insights into the broader context of water infrastructure and climate adaptation efforts.