Ramona
Key Takeaway
Ramona is classified as high hazard in California. It was completed in 1988 and is 38 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 | 228 ft (taller than 96% in CA) |
| Dam Length | 970 ft |
| Dam Type | Earth |
| Max Storage | 12.2K acre-ft |
| Surface Area | 155 acres |
| Year Completed | 1988 (38 years old) |
| NID ID | CA01215 |
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
Ramona Municipal Water District
Public Utility
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High Hazard 338 ftFrequently Asked Questions
What is the hazard classification of Ramona?
Ramona 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 Ramona?
Ramona is owned by Ramona Municipal Water District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ramona built?
Ramona was completed in 1988, making it 38 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 Ramona?
Ramona serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Ramona?
Ramona has a dam height of 228 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 Ramona last inspected?
Ramona was last inspected on September 22, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.