Seminoe is a Federal-owned dam located in Carbon, Wyoming, along the North Platte River. Built in 1938 by the Bureau of Reclamation, this concrete arch dam stands at a height of 295 feet and serves multiple purposes including hydroelectric power generation, irrigation, and recreation. With a maximum storage capacity of over 1 million acre-feet and a surface area of 20,291 acres, Seminoe plays a crucial role in water resource management in the region.

Despite its age, Seminoe is a well-regulated and inspected structure, with the Bureau of Reclamation overseeing its operation, maintenance, and enforcement. The dam's spillway type is controlled, with a width of 42 feet to manage high discharges. With a high hazard potential due to its location and storage capacity, Seminoe is classified as very high risk (level 1) and is closely monitored for any potential risks or hazards. Overall, Seminoe remains a key component of the water infrastructure in Wyoming, ensuring reliable water supply, power generation, and recreational opportunities for the region.