Wishon Forebay, also known as Corrine Lake, is a privately-owned reservoir located in Friant, California. Built in 1896, this hydroelectric facility serves multiple purposes including hydroelectric power generation and recreation. The earth dam stands at a height of 15 feet and has a spillway width of 62 feet, with a maximum storage capacity of 69 acre-feet and a surface area of 7 acres. The reservoir is situated on the North Fork Willow Creek, part of the Sacramento District, and is regulated by the Federal Energy Regulatory Commission.

The dam at Wishon Forebay has a low hazard potential and a moderate risk assessment rating. While the condition assessment is not available, the dam is inspected regularly by both state and federal agencies, with the last inspection taking place in September 2017. Emergency action plans are in place, with the most recent update in October 2020, to ensure the safety and security of the surrounding area in case of a dam failure. With its historical significance and important role in water resource management and energy production, Wishon Forebay is a site of interest for water resource and climate enthusiasts alike.

Overall, Wishon Forebay is a vital component of California's water infrastructure, providing both renewable energy and recreational opportunities for the surrounding community. With its long-standing history and regulated status, the reservoir continues to play a significant role in water management and environmental conservation efforts in the region. For those interested in water resources and climate issues, Wishon Forebay offers a fascinating glimpse into the intersection of hydroelectric power generation, dam safety, and recreational use within the state of California.