Van Vleck, located in Sacramento, California, is a privately owned dam with a primary purpose of water supply, serving irrigation and water supply needs. Built in 1950, this earth dam stands at a height of 26 feet and has a hydraulic height of 22 feet. With a storage capacity of 2000 acre-feet and a surface area of 216 acres, Van Vleck plays a significant role in water resource management in the area.

Managed by the Natural Resources Conservation Service, Van Vleck is regulated and inspected by the California Department of Water Resources for safety and compliance. The dam is considered to have a significant hazard potential but is currently in satisfactory condition based on a 2017 assessment. The last inspection in February 2021 confirmed its structural integrity, ensuring the safety of the surrounding community in the event of any emergencies.

Located on the Tr Arkansas Creek in the city of Cosumne, Van Vleck is a vital infrastructure contributing to the water supply and irrigation systems in the region. With its historical significance dating back to the mid-20th century, this dam continues to play a crucial role in water resource management and climate resilience efforts in Sacramento, California.