C.L. Tilden Park, also known as Lake Anza, is a public utility located in San Pablo, California, and owned by the state. This park plays a crucial role in flood risk reduction, recreation, and water supply management in the area. The primary purpose of the park is to reduce flood risks in the region, with the Wildcat Creek running through the area.

The Earth-type dam at C.L. Tilden Park stands at 88 feet in height, with a hydraulic height of 82 feet, and was completed in 1938. The dam has a storage capacity of 268 acre-feet, serving as a vital resource for managing water supply in the region. Despite its high hazard potential, the dam's condition is deemed satisfactory, with regular inspections and maintenance ensuring its safety and functionality.

Visitors to C.L. Tilden Park can enjoy its 10-acre surface area, recreational activities, and scenic views of the surrounding landscape. With its strategic location and importance in water resource management, the park serves as a valuable asset for both the community and the environment, highlighting the intersection of water resource infrastructure and climate resilience in the region.