Ponderosa is a significant hydroelectric dam located in Oroville, California, along the South Fork Feather River. Built in 1962, this earth dam stands at a height of 157 feet and serves multiple purposes including hydroelectric power generation, irrigation, and water supply. With a normal storage capacity of 4750 acre-feet, Ponderosa plays a crucial role in water management in the region.

Operated by a public utility, Ponderosa is regulated by various state and federal agencies including the California Department of Water Resources and the Federal Energy Regulatory Commission. The dam's spillway type is controlled with a width of 97 feet, ensuring efficient water release during peak flow periods. Despite its low hazard potential, Ponderosa is categorized as having a very high risk due to its structural and environmental significance.

With a drainage area of 108.3 square miles, Ponderosa provides essential water resources for the surrounding area and supports the local ecosystem. Managed and inspected regularly, this dam continues to be a vital infrastructure for water management and renewable energy production in Butte County, California.