Roy Farm, located in Cornelius, Oregon, is a privately owned water resource structure regulated by the Oregon Water Resources Department. Completed in 1989, this earth dam stands at 14 feet tall and spans 400 feet in length, with a storage capacity of 100 acre-feet and a maximum discharge of 193 cubic feet per second. The dam, situated on the East Fork Dairy Creek, serves a primary purpose of "Other," supporting various agricultural activities on the farm.

Despite its low hazard potential and moderate risk assessment, Roy Farm has not been rated for its condition assessment. The dam features a slide (sluice gate) outlet gate and an uncontrolled spillway type. With a drainage area of 0.42 square miles and a surface area of 11.2 acres, the structure plays a crucial role in managing water resources in the region. The last inspection of Roy Farm took place in December 2017, with a scheduled inspection frequency of every 6 years.

Roy Farm's presence in Washington County, Oregon, highlights the importance of sustainable water resource management in the face of changing climate patterns. As climate enthusiasts, monitoring and ensuring the structural integrity of such vital water resource facilities is key to safeguarding against potential risks and ensuring the continued resilience of our water infrastructure in the region.