Iron Canyon
Key Takeaway
Iron Canyon is classified as high hazard in California. It was completed in 1965 and is 61 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 | 214 ft (taller than 95.4% in CA) |
| Dam Length | 1,130 ft |
| Dam Type | Earth |
| Normal Storage | 24.2K acre-ft |
| Surface Area | 506 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 10,500 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | CA00417 |
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
Pacific Gas and Electric Company
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Iron Canyon?
Iron Canyon 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 Iron Canyon?
Iron Canyon is owned by Pacific Gas and Electric Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Iron Canyon built?
Iron Canyon was completed in 1965, making it 61 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 Iron Canyon?
Iron Canyon serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Iron Canyon?
Iron Canyon has a dam height of 214 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 Iron Canyon last inspected?
Iron Canyon was last inspected on July 27, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.