Twin Lakes
Key Takeaway
Twin Lakes is classified as significant hazard in Idaho. It was completed in 2005 and is 21 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 14 ft (taller than 9.3% in ID) |
| Dam Length | 75 ft |
| Normal Storage | 9.1K acre-ft |
| Surface Area | 959 acres |
| Drainage Area | 51 sq mi |
| Max Discharge | 770 cfs |
| Year Completed | 2005 (21 years old) |
| NID ID | ID00153 |
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
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Twin Lakes?
Twin Lakes 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 Twin Lakes?
Twin Lakes is owned by information not available (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Lakes built?
Twin Lakes was completed in 2005, making it 21 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 Twin Lakes?
Twin Lakes serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Twin Lakes?
Twin Lakes has a dam height of 14 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 Twin Lakes last inspected?
Twin Lakes was last inspected on August 10, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.