Warm Springs, also known as W-3, is a concrete dam located on the Middle Fork Malheur River in Juntura, Oregon. Built in 1918 by the Bureau of Reclamation, this federal-owned structure serves primarily for irrigation purposes, with a storage capacity of 192,400 acre-feet and a maximum discharge of 9,800 cubic feet per second. The dam stands at a height of 100 feet, with a hydraulic height of 92 feet and a structural height of 106 feet, making it a significant asset for water resource management in the region.

With a surface area of 4,600 acres and a drainage area of 1,100 acres, Warm Springs plays a crucial role in regulating water flow and ensuring water availability for agricultural activities in the area. Despite its age, the dam is considered to have a high hazard potential, highlighting the importance of regular inspections and maintenance to ensure its continued safety and efficiency. Managed by the Bureau of Reclamation, Warm Springs remains a key infrastructure for water supply and climate resilience in the Malheur County, Oregon.

As a vital component in the water management system of the region, Warm Springs represents a blend of historical significance and practical utility. Its role in facilitating irrigation and water storage underscores the importance of sustainable water resource management in the face of changing climate patterns. With its rich history and essential functions, Warm Springs stands as a testament to the enduring value of water infrastructure for supporting agricultural livelihoods and environmental sustainability in Oregon.