Magnolia, also known as Lake of The Pines, is a privately owned dam located in California, specifically in the city of Lake of the Pines. This earth dam was completed in 1967 and stands at a height of 68 feet, with a hydraulic height of 60 feet. The dam serves primarily as a water supply source, with additional purposes including recreation for the surrounding community. It has a storage capacity of 4150 acre-feet and covers a surface area of 210 acres.

The dam poses a high hazard potential and undergoes regular inspections, with its condition assessed as satisfactory as of September 2017. The last inspection was conducted in January 2021, with an inspection frequency of once per year. The dam is regulated by the California Department of Water Resources and falls under the jurisdiction of the state, with permitting, inspection, and enforcement carried out by state agencies. The dam is situated on Magnolia Creek and serves as a crucial water resource in the region.

Overall, Magnolia is an essential water supply infrastructure in California, providing storage and recreational opportunities for the local community. With its high hazard potential, the dam is closely monitored and maintained to ensure the safety of the surrounding areas. As climate enthusiasts and water resource advocates, understanding the details of Magnolia's design, purpose, and regulatory oversight is vital in appreciating the significance of this dam in managing water resources and mitigating potential risks associated with its operation.