Sublett
Key Takeaway
Sublett is classified as high hazard in Idaho. It was completed in 1914 and is 112 years old. Its primary use is irrigation. 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 | 48 ft (taller than 77.9% in ID) |
| Dam Length | 600 ft |
| Normal Storage | 2.4K acre-ft |
| Surface Area | 98 acres |
| Drainage Area | 46 sq mi |
| Max Discharge | 385 cfs |
| Year Completed | 1914 (112 years old) |
| Year Modified | 1940 |
| NID ID | ID00031 |
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
Private
Frequently Asked Questions
What is the hazard classification of Sublett?
Sublett 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 Sublett?
Sublett is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sublett built?
Sublett was completed in 1914, making it 112 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 Sublett?
Sublett serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sublett?
Sublett has a dam height of 48 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 Sublett last inspected?
Sublett was last inspected on May 21, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.