Dane Ridge Watershed Site C-3 is a relatively small earth dam located in Charter Oak, Iowa, along the TR-Boyer River. Completed in 1968, this dam serves multiple purposes including fire protection, stock watering, and small fish pond management. With a height of 38 feet and a length of 825 feet, this dam has a storage capacity of 105 acre-feet and covers a surface area of 3 acres.

Managed by the local government and regulated by the Iowa Department of Natural Resources, this dam is categorized as having a low hazard potential with a moderate risk assessment rating. The primary designer of this structure is the USDA Natural Resources Conservation Service, showcasing a collaborative effort in water resource management. While not currently rated in terms of condition assessment, the dam meets state permitting and inspection requirements, ensuring its functionality and safety.

With its location in Crawford County, Iowa, Dane Ridge Watershed Site C-3 stands as a testament to the importance of watershed management in mitigating flood risks and ensuring water conservation. As climate enthusiasts and water resource advocates, understanding the design and purpose of structures like this one is crucial in promoting sustainable water management practices in the face of changing environmental conditions.