Reservoir No. 4
Key Takeaway
Reservoir No. 4 is classified as high hazard in California. It was completed in 1955 and is 71 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 | 38 ft (taller than 43.2% in CA) |
| Dam Length | 210 ft |
| Dam Type | Other |
| Max Storage | 34 acre-ft |
| Surface Area | 1 acres |
| Year Completed | 1955 (71 years old) |
| NID ID | CA00059 |
Safety Information
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?
Ownership
City of Burbank
Local Government
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Low Hazard 32 ftHeadworks Reservoir West
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High Hazard 47 ftFrequently Asked Questions
What is the hazard classification of Reservoir No. 4?
Reservoir No. 4 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 Reservoir No. 4?
Reservoir No. 4 is owned by City of Burbank (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Reservoir No. 4 built?
Reservoir No. 4 was completed in 1955, making it 71 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 Reservoir No. 4?
Reservoir No. 4 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 Reservoir No. 4?
Reservoir No. 4 has a dam height of 38 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 Reservoir No. 4 last inspected?
Reservoir No. 4 was last inspected on June 3, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.