Stallard Dam, located in Drewsey, Oregon, is a privately owned structure primarily used for irrigation purposes. Completed in 1950, this earth dam stands at a height of 35 feet and has a hydraulic height of 33 feet, with a total structural height of 37 feet. The dam has a storage capacity of 260 acre-feet, with a normal storage level of 193 acre-feet, covering a surface area of 78.3 acres and serving a drainage area of 7.1 square miles.

The dam, situated on Otis Creek, is regulated by the Oregon Water Resources Department and is subject to state permitting, inspection, and enforcement. With a low hazard potential, the condition of Stallard Dam is currently not rated, with the last inspection being conducted in October 2012. Despite its age, the dam continues to play a crucial role in supporting local irrigation activities in the region, ensuring a sustainable water supply for agricultural needs. The dam's design and construction reflect the commitment to water resource management and climate resilience in the area, contributing to the overall water security of Harney County, Oregon.

As a key infrastructure for water management, Stallard Dam exemplifies the importance of private ownership in maintaining critical water resources for irrigation. With a capacity to store 260 acre-feet of water and a maximum discharge of 718 cubic feet per second, the dam serves as a vital component for agricultural operations in the region. As climate change impacts water availability and usage patterns, structures like Stallard Dam become increasingly essential for ensuring water security and sustainability in the face of evolving environmental challenges.