Fallen Leaf Lake Dam
Key Takeaway
Fallen Leaf Lake Dam is classified as significant hazard in California. It was completed in 1934 and is 92 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 12 ft (taller than 4% in CA) |
| Dam Length | 265 ft |
| Dam Type | Concrete |
| Max Storage | 6.8K acre-ft |
| Normal Storage | 1.4K acre-ft |
| Year Completed | 1934 (92 years old) |
| NID ID | CA10216 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
USDA FS
Federal Government
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Fallen Leaf Lake Dam?
Fallen Leaf Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Fallen Leaf Lake Dam?
Fallen Leaf Lake Dam is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fallen Leaf Lake Dam built?
Fallen Leaf Lake Dam was completed in 1934, making it 92 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 Fallen Leaf Lake Dam?
Fallen Leaf Lake Dam serves the following purposes: Recreation, Fish And Wildlife Pond, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Fallen Leaf Lake Dam?
Fallen Leaf Lake Dam has a dam height of 12 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 Fallen Leaf Lake Dam last inspected?
Fallen Leaf Lake Dam was last inspected on August 5, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.