Jensen Dam, located in Carlisle, Iowa, is a privately owned structure designed by the USDA NRCS with a primary purpose of providing fire protection, stock, or a small fish pond. Completed in 1963, this earth dam stands at a height of 24 feet and spans a length of 580 feet, creating a reservoir with a storage capacity of 54 acre-feet. The dam is regulated by the Iowa Department of Natural Resources and is inspected regularly to ensure its safety and functionality.

Situated on the TR- North River, Jensen Dam plays a crucial role in managing water resources in the area, with a surface area of 5.1 acres and a drainage area of 0.25 square miles. While the dam has a low hazard potential, it is deemed to have a moderate risk level, signaling the importance of ongoing risk management measures. Despite not being rated for its condition, Jensen Dam remains a vital component of the local water infrastructure, contributing to the overall resilience of the region in the face of climate variability and changing water demands.

As water resource and climate enthusiasts, understanding the significance of structures like Jensen Dam is essential for appreciating the complex interactions between human activities and natural systems. With its historical importance, regulatory oversight, and ongoing risk management efforts, Jensen Dam stands as a testament to the critical role that infrastructure plays in ensuring water security and environmental sustainability in the face of evolving challenges.