Clear Lake, located in Modoc County, California, is a gravity dam constructed in 1910 by the Bureau of Reclamation for irrigation purposes. The dam stands at a height of 42 feet and has a storage capacity of 584,050 acre-feet, with a normal storage level of 374,080 acre-feet. The reservoir covers a surface area of 23,960 acres and is fed by the Lost River.

The dam at Clear Lake has a controlled spillway with a width of 357 feet, and the associated structure, CA10141S001, contributes to the efficient operation of the irrigation system. The risk assessment for Clear Lake rates it as having a high hazard potential and very high risk, emphasizing the importance of regular inspections and maintenance. The dam was last structurally modified in 2002, and its emergency action plan was last revised in 2016.

Managed by the Bureau of Reclamation, Clear Lake serves as a vital water resource for the region, showcasing the intricate engineering and design necessary for sustainable water management in the face of changing climate conditions. As climate enthusiasts and water resource advocates, the data on Clear Lake highlights the ongoing efforts to ensure the safety and reliability of water infrastructure while addressing the challenges posed by a dynamic environment.