Haines Canyon Debris Dam
Key Takeaway
Haines Canyon Debris Dam is classified as high hazard in California. It was completed in 1938 and is 88 years old. Its primary use is debris control. 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 | 70 ft (taller than 72.8% in CA) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 15 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 10,000 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | CA10004 |
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
USACE - Los Angeles District
Federal Government
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High Hazard 99 ftFrequently Asked Questions
What is the hazard classification of Haines Canyon Debris Dam?
Haines Canyon Debris Dam 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 Haines Canyon Debris Dam?
Haines Canyon Debris Dam is owned by USACE - Los Angeles District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Haines Canyon Debris Dam built?
Haines Canyon Debris Dam was completed in 1938, making it 88 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 Haines Canyon Debris Dam?
Haines Canyon Debris Dam serves the following purposes: Debris Control, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Haines Canyon Debris Dam?
Haines Canyon Debris Dam has a dam height of 70 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 Haines Canyon Debris Dam last inspected?
Haines Canyon Debris Dam was last inspected on May 18, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.