Black Mountain Water Tank
Key Takeaway
Black Mountain Water Tank is classified as high hazard in California. It was completed in 2002 and is 24 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 | 55 ft (taller than 63.8% in CA) |
| Dam Length | 0 ft |
| Dam Type | Other |
| Max Storage | 77 acre-ft |
| Surface Area | 4 acres |
| Year Completed | 2002 (24 years old) |
| NID ID | CA01442 |
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 San Diego
Local Government
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Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Black Mountain Water Tank?
Black Mountain Water Tank 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 Black Mountain Water Tank?
Black Mountain Water Tank is owned by City of San Diego (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Black Mountain Water Tank built?
Black Mountain Water Tank was completed in 2002, making it 24 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 Black Mountain Water Tank?
Black Mountain Water Tank 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 Black Mountain Water Tank?
Black Mountain Water Tank has a dam height of 55 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 Black Mountain Water Tank last inspected?
Black Mountain Water Tank was last inspected on November 17, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.