Barney, also known as Es Mills Dam, is a crucial water supply infrastructure located in Tillamook, Oregon. This local government-owned structure was completed in 1998 and serves the M. Fork of North Fork Trask River. With a height of 122 feet and a capacity of 20,000 acre-feet, Barney plays a vital role in water management and supply for the region. The dam's spillway type is uncontrolled, and it has a high hazard potential but is currently assessed as satisfactory.

Situated in Washington County, Oregon, Barney has a structural height of 165 feet and a hydraulic height of 110 feet, with a length of 2500 feet. It covers a surface area of 455 acres and has a maximum discharge capacity of 7780 cfs. The dam's primary purpose is water supply, and it is regulated by the Oregon Water Resources Department. Despite its high hazard potential, Barney is monitored and inspected regularly to ensure its safety and functionality for the community it serves.

Barney's emergency action plan status and risk assessment are currently not available, but the dam is considered to have a moderate risk level. With its role in water supply and management, Barney stands as a crucial piece of infrastructure in the region, providing essential services while being closely monitored for any potential risks or hazards. For water resource and climate enthusiasts, Barney presents an intriguing case study in dam management and water infrastructure in the Pacific Northwest.