Calavera, also known as Calavera Lake, is a significant water resource located in Carlsbad, California. Owned and regulated by a public utility, this earth dam was completed in 1940 and has a height of 67 feet, with a primary purpose of supplying water for irrigation and domestic use. Situated on Calavera Creek, this dam has a storage capacity of 520 acre-feet and covers a surface area of 35 acres, serving as a vital water source for the surrounding area.

Managed by the California Department of Water Resources and Safety of Dams, Calavera Dam is subject to regular inspections to ensure its structural integrity and safety. Despite its high hazard potential, the dam's condition was assessed as satisfactory during the last inspection in 2017, indicating a diligent maintenance regime. The dam's emergency action plan (EAP) was last revised in 2020, highlighting the proactive approach taken to mitigate potential risks and ensure the safety of the community in case of a dam failure event.

With its crucial role in providing water supply for irrigation and domestic use, Calavera Dam stands as a key infrastructure in San Diego County. Its location on Calavera Creek and the meticulous regulatory oversight by state agencies underscore its significance in ensuring water security for the region. The dam's satisfactory condition and regular maintenance efforts reflect a commitment to safeguarding this essential water resource for the benefit of local residents and the environment.