Thompson (Benton) is a privately owned dam located in Benton, Oregon, near the city of WREN, on the BARK CREEK. Constructed in 1956, this Earth dam stands at a height of 41 feet and has a structural height of 43.5 feet, with a length of 450 feet. The dam serves primarily for recreational purposes, providing a storage capacity of 362 acre-feet and covering a surface area of 32.3 acres.

Managed by the Oregon Water Resources Department (OWRD), Thompson (Benton) is subject to state regulations and inspections to ensure its safety and compliance. With a significant hazard potential, this dam has not been rated for its condition assessment, highlighting the importance of ongoing monitoring and maintenance. The outlet gates are designed as Needle gates, and the dam has a maximum discharge capacity of 505 cubic feet per second.

Water resource and climate enthusiasts can find Thompson (Benton) an intriguing case study in dam management, showcasing the intersection of recreational use, regulatory oversight, and risk assessment in maintaining water infrastructure. As a part of the Portland District, the dam's location and characteristics offer a unique perspective on the challenges and opportunities involved in preserving water resources and ensuring public safety in the face of changing environmental conditions.