James Dam, located in Warren County, Iowa, is a privately owned structure designed by the USDA NRCS and regulated by the Iowa DNR. Completed in 1979, this earth dam serves multiple purposes, including fire protection and creating a small fish pond. With a height of 30 feet and a length of 275 feet, James Dam has a storage capacity of 72 acre-feet, with a normal storage level of 37 acre-feet.

Despite its low hazard potential, James Dam has a moderate risk assessment rating of 3. The dam's condition is currently not rated, with the last inspection dating back to June 1972. While the dam lacks certain safety features like outlet gates and spillways, it remains a crucial asset for water resource management in the region. Climate and water resource enthusiasts will find James Dam's location on the Des Moines River and its role in protecting the local ecosystem intriguing.

As a key component of the water infrastructure in the area, James Dam underscores the importance of maintaining and assessing the condition of dams to prevent potential risks. With its historical significance and continuing role in water management, James Dam serves as a reminder of the vital connection between water resources, climate, and human intervention in shaping the landscape.