Sunheaven Farms Reservoir, located in Benton, Washington, is a privately owned irrigation reservoir that draws water from the Columbia River-Offstream. Built in 1986, this Earth-type dam has a hydraulic height of 13 feet and a structural height of 8 feet, with a storage capacity of 100 acre-feet. The reservoir covers a surface area of 9.1 acres and serves the primary purpose of irrigation for agricultural activities in the area.

Managed by the Washington Department of Ecology, Sunheaven Farms Reservoir is regulated and inspected by the state to ensure compliance with safety standards. With a low hazard potential, the reservoir has not been rated for its condition assessment, but it meets the necessary guidelines for emergency action planning. Although the risk assessment and management measures are not specified, the reservoir plays a crucial role in providing water resources for agricultural needs in the region.

Situated in Congressional District 04, Washington, Sunheaven Farms Reservoir stands as a vital infrastructure for water resource management in the area. With its modest size and capacity, the reservoir contributes to sustaining irrigation practices and supporting the agricultural community, highlighting the intersection of water resource management and climate resilience efforts in the region.