Wishon Main is a privately owned hydroelectric dam located in Wishon Village, California, along the North Fork Kings River. Completed in 1958, this rockfill dam stands at a height of 260 feet and has a storage capacity of 133,600 acre-feet, with a normal storage level of 129,118 acre-feet. The dam's primary purpose is hydroelectric power generation, with a maximum discharge capacity of 52,200 cubic feet per second.

Managed by the Federal Energy Regulatory Commission, Wishon Main has a controlled spillway with a width of 330 feet and is equipped with six Tainter (radial) outlet gates. With a high hazard potential and a very high risk assessment rating, the dam is under state regulation and inspection to ensure its safety and compliance with dam safety guidelines. Despite its risk assessment, the condition assessment of Wishon Main is currently listed as "Not Available," indicating a need for further evaluation and monitoring of the dam's structural integrity.

Located in Fresno County, California, Wishon Main plays a crucial role in water resource management and energy production in the region. As a key component of the hydroelectric infrastructure, this dam serves as a vital resource for the surrounding community and contributes to the sustainable development of the local area. With its impressive height and storage capacity, Wishon Main stands as a testament to human ingenuity in harnessing the power of water for the benefit of society while also highlighting the importance of continuous monitoring and maintenance to ensure the safety and reliability of such critical infrastructure.