Carson Dam, located in Clarke County, Iowa, was completed in 1979 by the USDA NRCS and is currently privately owned. The dam serves multiple purposes including fire protection, stock, and small fish pond management. With a height of 26 feet and a length of 340 feet, Carson Dam has a storage capacity of 43 acre-feet and covers a surface area of 2.9 acres.

The dam is regulated by the Iowa Department of Natural Resources and is inspected regularly to ensure compliance with state regulations. Despite its low hazard potential, Carson Dam has a moderate risk rating and has not been assessed for its condition. The dam's spillway is uncontrolled, and it is situated on the Otter Creek tributary, providing essential water resources for the surrounding area.

Water resource and climate enthusiasts will find Carson Dam an intriguing structure for its unique design and multi-purpose functionality. As a key feature in the region's water management system, the dam plays a vital role in providing water for fire protection and supporting local wildlife. Its location on Otter Creek adds to its significance in regulating water flow and maintaining the ecological balance of the area. Overall, Carson Dam stands as a testament to the importance of sustainable water resource management in mitigating climate-related challenges.