Contra Loma Dike No. 2, located in Antioch, California, is a federal-owned structure primarily used for hydroelectric purposes. Completed in 1967 by the Bureau of Reclamation, this earth dam stands at a height of 25 feet and has a storage capacity of 2,630 acre-feet. It also serves irrigation and recreational purposes, with a surface area of 81 acres and a spillway width of 15 feet.

With a low hazard potential and a moderate risk assessment rating, Contra Loma Dike No. 2 is a crucial component of water resource management in Contra Costa County. Managed by the Bureau of Reclamation, this dam plays a vital role in regulating water flow along the San Joaquin River. Despite its age, the structure remains in good condition, with regular inspections conducted to ensure the safety and functionality of the facility.

For water resource and climate enthusiasts, Contra Loma Dike No. 2 serves as a fascinating example of how infrastructure can support diverse water management needs, from hydroelectric power generation to irrigation and recreational activities. Its strategic location and design make it a key asset in maintaining water supply stability and mitigating potential risks associated with flooding or drought in the region.