Jenson is a private dam located in Fremont, Wyoming, along Antelope Creek, with a primary purpose of flood risk reduction. Built in 1979, this earth dam stands at 44 feet in height and spans 1200 feet in length, providing a storage capacity of 212 acre-feet. The dam is regulated by the State of Wyoming and undergoes regular inspections to ensure its structural integrity and safety.

Despite its low hazard potential and fair condition assessment, Jenson poses a moderate risk due to its location and potential impact in case of failure. The dam features an uncontrolled spillway and one other controlled outlet gate for water management. It has been designed by Bradley R. Mortensen and is under the jurisdiction of the State Engineer's Office in Wyoming. With a drainage area of 0 square miles and a surface area of 11 acres, Jenson plays a crucial role in mitigating flood risks and protecting the surrounding area.

Liz Cheney (R) represents Jenson's Congressional District of Wyoming, where this dam serves not only for flood risk reduction but also for fire protection, stock, small fish pond, and other purposes. With its strategic location on HWY. 287/789 and a history dating back to 1979, Jenson stands as a testament to responsible water resource management and climate resilience in the state of Wyoming.