Donner Lake, located in Truckee, California, is a public utility water supply dam constructed in 1927 with a primary purpose of providing water for irrigation and domestic use. The concrete dam stands at a height of 16 feet and has a hydraulic height of 14.4 feet, storing a maximum capacity of 10,300 acre-feet of water. With a surface area of 960 acres and a drainage area of 14 square miles, Donner Lake plays a crucial role in water resource management in the region.

Managed by the Department of Water Resources and regulated by the Safety of Dams agency, Donner Lake is considered to have a significant hazard potential, but its condition assessment as of September 2017 was deemed satisfactory. The dam has undergone regular inspections, with the most recent one conducted in November 2020, ensuring its structural integrity and safety. Despite being a key water supply source, Donner Lake also offers recreational opportunities and contributes to the ecological balance of the area, making it a valuable asset for both residents and visitors interested in water resources and climate-related activities in the region.

Overall, Donner Lake serves as a vital infrastructure for water supply in Nevada and California, offering both practical and recreational benefits to the community. As a concrete dam with a long history of operation, it exemplifies the importance of proper regulation and maintenance to ensure the safety and sustainability of water resources. For water resource and climate enthusiasts, Donner Lake presents a fascinating case study of a well-managed dam that plays a crucial role in balancing the needs of water supply, irrigation, and environmental preservation in the region.