Oakley, also known as Goose Creek Reservoir, is a private water resource located in Cassia, Idaho. Managed by the Idaho Department of Water Resources, this reservoir plays a crucial role in irrigation, with a storage capacity of 76,000 acre-feet and a surface area of 1350 acres. Built in 1916, Oakley stands at a height of 144.8 feet with a spillway width of 555 feet, ensuring controlled water release during periods of high discharge.

Despite its fair condition assessment, Oakley poses a high hazard potential, emphasizing the importance of regular inspections and risk management measures. With a very high risk rating, this reservoir requires careful monitoring and preparedness to mitigate any potential emergencies. The dam's location near Goose Creek and the Snake River adds to its significance in the region, highlighting the critical role it plays in water resource management for agriculture and local communities. Oakley serves as a testament to the intricate balance between water resource utilization and environmental preservation in the face of changing climate patterns.