Warren H. Brock Reservoir Dikes, also known as Drop 2, is a federal-owned structure located in Imperial, California. Completed in 2010, this offstream earth dam serves a primary purpose of water supply, with a maximum storage capacity of 8,000 acre-feet and a surface area of 410 acres. The dam stands at a height of 14 feet, with a hydraulic height of 21 feet, and a structural height of 21 feet.

Managed by the Bureau of Reclamation, the Warren H. Brock Reservoir Dikes have a high hazard potential and a moderate risk assessment rating. Despite its critical role in water supply, the condition assessment of the dam is currently not available. The reservoir's spillway type is uncontrolled, with a maximum discharge capacity of 1,800 cubic feet per second.

With its location in a region prone to water resource challenges and climate variability, the Warren H. Brock Reservoir Dikes play a crucial role in water management and supply for the surrounding area. As a key infrastructure owned and operated by the federal government, ensuring the safety and maintenance of this earth dam is essential for the long-term sustainability of water resources in the region.