Shasta
Key Takeaway
Shasta is classified as high hazard in California. It was completed in 1945 and is 81 years old. Its primary use is hydroelectric. 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 | 602 ft (taller than 99.9% in CA) |
| Dam Length | 3,460 ft |
| Dam Type | Concrete |
| Max Storage | 4.7M acre-ft |
| Normal Storage | 4.6M acre-ft |
| Surface Area | 30,210 acres |
| Drainage Area | 6,665 sq mi |
| Max Discharge | 250,000 cfs |
| Year Completed | 1945 (81 years old) |
| NID ID | CA10186 |
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
RECLAMATION
Federal Government
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Significant Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Shasta?
Shasta 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 Shasta?
Shasta is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Shasta built?
Shasta was completed in 1945, making it 81 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 Shasta?
Shasta serves the following purposes: Hydroelectric, Irrigation, Navigation, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Shasta?
Shasta has a dam height of 602 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 Shasta last inspected?
Shasta was last inspected on March 3, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.