Warren H. Brock Reservoir Dikes

OFFSTREAM· Imperial, California· Built 2010· Earth· 14 ft tall
High Hazard Water Supply Federal Government

Key Takeaway

Warren H. Brock Reservoir Dikes is classified as high hazard in California. It was completed in 2010 and is 16 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 14 ft (taller than 6.7% in CA)
Dam Length17,580 ft
Dam TypeEarth
Max Storage8.0K acre-ft
Normal Storage8.0K acre-ft
Surface Area410 acres
Drainage Area0 sq mi
Max Discharge1,800 cfs
Year Completed2010 (16 years old)
NID IDCA10362

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: April 22, 2020
State Regulated: No

Ownership

RECLAMATION

Federal Government

Frequently Asked Questions

What is the hazard classification of Warren H. Brock Reservoir Dikes?

Warren H. Brock Reservoir Dikes is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Warren H. Brock Reservoir Dikes?

Warren H. Brock Reservoir Dikes is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Warren H. Brock Reservoir Dikes built?

Warren H. Brock Reservoir Dikes was completed in 2010, making it 16 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Warren H. Brock Reservoir Dikes?

Warren H. Brock Reservoir Dikes serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Warren H. Brock Reservoir Dikes?

Warren H. Brock Reservoir Dikes has a dam height of 14 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Warren H. Brock Reservoir Dikes last inspected?

Warren H. Brock Reservoir Dikes was last inspected on April 22, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.