Hawks Nest Reservoir, located in Malheur, Oregon, is a Federal-owned water resource managed by the DOI Bureau of Land Management. Completed in 1961, this Earth-type dam stands at a height of 24.5 feet and has a storage capacity of 32 acre-feet. The reservoir primarily serves irrigation purposes, but also supports fish and wildlife habitats, as well as recreational activities.

Managed by the Walla Walla District of the US Army Corps of Engineers, Hawks Nest Reservoir has a low hazard potential and is currently in a not rated condition. The dam features a slide (sluice gate) outlet and covers a surface area of 4.8 acres. While the dam has not been modified in recent years, it is subject to state regulations and inspections to ensure its safety and compliance with environmental standards.

Despite its small size and limited drainage area, Hawks Nest Reservoir plays a crucial role in supporting local agriculture and wildlife in the region. With a focus on sustainable water management and conservation, this reservoir serves as a vital resource for the community while offering opportunities for outdoor recreation and environmental stewardship.