Big Dam, located in Campbell, Wyoming, is a privately owned structure designed by Naomi Morton-Knight and regulated by the Wyoming State Engineer's Office. Standing at a height of 24 feet with a hydraulic height of 19 feet, this earth dam on Big Dam Draw serves multiple purposes, including fire protection, stock watering, and as a small fish pond. With a storage capacity of 83 acre-feet, the dam covers a surface area of 6.5 acres and has a drainage area of 1.3 square miles.

Despite its low hazard potential and fair condition assessment, Big Dam has a moderate risk rating due to its location and potential impacts in the event of a failure. The dam, with a spillway width of 69 feet, has no outlet gates and was last inspected in March 2020. While no major modifications or emergency action plans have been reported, the dam is equipped to handle a maximum discharge of 1908 cubic feet per second. As an essential water resource for the region, Big Dam plays a crucial role in water management and conservation efforts in Wyoming.

For water resource and climate enthusiasts, Big Dam represents a significant structure in the state's infrastructure, providing essential services for fire protection and agricultural purposes. With its unique design and moderate risk assessment, this earth dam serves as a vital component in the local ecosystem, highlighting the importance of sustainable water management practices in the face of changing climate conditions. As efforts continue to ensure the safety and integrity of Big Dam, it remains a key player in the management of water resources in the region, contributing to the resilience of the surrounding communities and ecosystems.