Gem State Right Dike
Key Takeaway
Gem State Right Dike is classified as high hazard in Idaho. It was completed in 1988 and is 38 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 | 30 ft (taller than 55.8% in ID) |
| Dam Length | 7,920 ft |
| Dam Type | Earth |
| Max Storage | 6.7K acre-ft |
| Normal Storage | 5.0K acre-ft |
| Surface Area | 305 acres |
| Drainage Area | 4,650 sq mi |
| Year Completed | 1988 (38 years old) |
| NID ID | ID83076 |
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
City of Idaho Falls
Local Government
Nearby Dams
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Gem State Right Dike?
Gem State Right Dike 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 Gem State Right Dike?
Gem State Right Dike is owned by City of Idaho Falls (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gem State Right Dike built?
Gem State Right Dike was completed in 1988, making it 38 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 Gem State Right Dike?
Gem State Right Dike serves the following purposes: Hydroelectric, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gem State Right Dike?
Gem State Right Dike has a dam height of 30 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 Gem State Right Dike last inspected?
Gem State Right Dike was last inspected on October 18, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.