Rongis Detention Dam, located in Fremont, Wyoming, is a federal-owned structure managed by the Bureau of Land Management. Built in 1952, this gravity dam serves multiple purposes including fire protection, stock watering, and small fish pond management. The dam's primary function is to protect the surrounding area from wildfires and provide essential water resources for livestock and local wildlife.

With a structural height of 29 feet and a hydraulic height of 22 feet, Rongis Detention Dam has a storage capacity of 970 acre-feet, with a maximum storage of 527 acre-feet. The dam's spillway, though uncontrolled, has a width of 3 feet. Despite its low hazard potential, the dam is currently in poor condition, highlighting the need for regular inspection and maintenance to ensure its continued effectiveness. The risk assessment for the dam is moderate, emphasizing the importance of implementing risk management measures to mitigate potential failures and ensure the safety of downstream communities.

Overall, Rongis Detention Dam plays a crucial role in water resource management in the region, providing vital support for firefighting efforts and livestock operations. As climate change continues to impact water availability and extreme weather events, the maintenance and monitoring of this dam are essential to safeguarding both the environment and local communities against potential risks and ensuring the sustainable use of water resources in the area.