Lake Temescal, located in Oakland, California, is a picturesque reservoir that serves as a vital water supply source for the region. Built in 1869, this Earth-type dam stands at 116 feet high and spans 650 feet in length, with a storage capacity of 200 acre-feet. The reservoir covers an area of 15 acres and is fed by Temescal Creek, making it an essential resource for the surrounding community.

Managed by a public utility and regulated by the California Department of Water Resources, Lake Temescal has a satisfactory condition assessment and a high hazard potential. Despite its age, the dam undergoes regular inspections and enforcement to ensure its safety and functionality. With a history dating back over a century, Lake Temescal continues to play a crucial role in water supply management and climate resilience efforts in the Alameda County area.

Supported by federal and state agencies, including the Sacramento District of the US Army Corps of Engineers, Lake Temescal remains a key infrastructure for water storage and distribution. As climate change impacts water resources, the reservoir's importance in ensuring water security for the region is underscored. With a commitment to safety and regulatory compliance, Lake Temescal stands as a resilient asset in the face of evolving environmental challenges.