El Dorado Forebay in California serves as a vital water resource and hydroelectric power generator along the North Fork Long Canyon. This private dam, completed in 1923, stands at a height of 91 feet and has a maximum storage capacity of 356 acre-feet. With a primary purpose of hydroelectric power generation, it also serves for debris control and irrigation in the region.

Managed by the Federal Energy Regulatory Commission, El Dorado Forebay is a state-regulated and inspected structure ensuring safety and compliance with regulations. The dam's spillway, an uncontrolled type, has a width of 20 feet to manage up to 580 cubic feet per second of water discharge during peak flows. Despite its high hazard potential, the risk assessment for the dam is moderate, with regular inspections and emergency action plans in place to mitigate any potential risks.

Located in El Dorado County, this historic dam plays a crucial role in water management and power generation in the region. Its significance lies in providing a sustainable source of energy and supporting irrigation activities, all while adhering to strict regulatory standards and safety measures to ensure the protection of surrounding communities and the environment.