Willow Butte is a gravity dam located in Harney County, Oregon, that serves as a vital water supply source in the region. Completed in 2004 by the Bureau of Land Management, this dam has a hydraulic height of 20 feet and a structural height of 25 feet, with a total length of 840 feet. It has a storage capacity of 16.4 acre-feet and covers a surface area of 2.1 acres, making it an essential infrastructure for water management in the area.

Despite being classified as having a low hazard potential, Willow Butte dam is considered to be in fair condition, with a very high risk assessment rating of 1. The dam is regularly inspected every 5 years, with the last inspection conducted in September 2019. With a controlled spillway type and a maximum discharge capacity of 816 cubic feet per second, the dam plays a crucial role in mitigating flood risks and ensuring water availability for the surrounding areas. It stands as a testament to the Bureau of Land Management's commitment to water resource management and climate resilience in Oregon.

Overall, Willow Butte represents a significant investment in water infrastructure by the federal government, providing essential water supply services to the region. With its sturdy construction and functional design, the dam serves as a critical asset for water resource and climate enthusiasts alike, highlighting the importance of sustainable water management practices in ensuring the resilience of communities in the face of changing environmental conditions.