Lower Sunset is a privately owned dam located in Markleeville, California, along Pleasant Val Creek. The dam serves the primary purpose of water supply for irrigation and other uses in the area. With a height of 38 feet and a hydraulic height of 33 feet, Lower Sunset has a storage capacity of 860 acre-feet and covers a surface area of 41 acres. Despite its age not being specified, the dam is in satisfactory condition and is regulated, inspected, and enforced by the Department of Water Resources (DWR) for safety compliance.

Situated within Alpine County, Lower Sunset Dam stands as a vital infrastructure supporting water resource management in the region. With a low hazard potential and a satisfactory condition assessment, the dam plays a crucial role in ensuring a reliable water supply for the surrounding communities. It is noteworthy that the dam has not undergone any modifications in recent years, indicating a stable and well-maintained structure that continues to serve its purpose effectively.

Lower Sunset Dam's presence highlights the importance of proper dam management in sustaining water resources and mitigating potential risks. As a key component in the water supply system of Markleeville, the dam's regulated status, routine inspections, and satisfactory condition underscore a commitment to safety and reliability. Its role in irrigation and water supply underscores the critical need for well-maintained infrastructure to support the local ecosystem and economy, making Lower Sunset a significant asset in the region's water resource and climate management efforts.