Clemens Reservoir, also known as Yellowjacket Reservoir, is a picturesque water body located in Harney County, Oregon. Managed by the state and regulated by the Oregon Water Resources Department, this reservoir is a popular spot for recreational activities such as boating, fishing, and wildlife watching. With a dam height of 35 feet and a storage capacity of 450 acre-feet, Clemens Reservoir offers a tranquil escape for water resource and climate enthusiasts.

Constructed in 1967, the reservoir spans 603 feet in length and covers a surface area of 33.4 acres, with a drainage area of 8.4 square miles. The dam, primarily designed for recreational purposes, features an earth structure and a slide-type outlet gate. Despite its low hazard potential, the reservoir is inspected every six years to ensure its safety and integrity. Located along Yellowjacket Creek, Clemens Reservoir serves as a vital water resource for the surrounding area, supporting diverse ecosystems and providing a scenic backdrop for outdoor adventures.

In the care of the state and monitored for compliance with regulatory standards, Clemens Reservoir represents a harmonious balance between human recreation and environmental stewardship. Whether you're interested in exploring the waterways of Oregon or studying the intersection of water management and climate change, this reservoir offers a fascinating case study in sustainable reservoir management and the importance of preserving our natural resources for future generations.