Stony Gorge
Key Takeaway
Stony Gorge is classified as high hazard in California. It was completed in 1928 and is 98 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 | 119 ft (taller than 85.6% in CA) |
| Dam Length | 868 ft |
| Dam Type | Buttress |
| Max Storage | 58.5K acre-ft |
| Normal Storage | 50.4K acre-ft |
| Surface Area | 1,280 acres |
| Drainage Area | 197 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1928 (98 years old) |
| NID ID | CA10194 |
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
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Stony Gorge?
Stony Gorge 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 Stony Gorge?
Stony Gorge is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Stony Gorge built?
Stony Gorge was completed in 1928, making it 98 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 Stony Gorge?
Stony Gorge 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 Stony Gorge?
Stony Gorge has a dam height of 119 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 Stony Gorge last inspected?
Stony Gorge was last inspected on June 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.