Thompson No 2
Key Takeaway
Thompson No 2 is classified as significant hazard in Idaho. It was completed in 1970 and is 56 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 19 ft (taller than 24.4% in ID) |
| Dam Length | 480 ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | ID00597 |
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
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Thompson No 2?
Thompson No 2 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 Thompson No 2?
Thompson No 2 is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thompson No 2 built?
Thompson No 2 was completed in 1970, making it 56 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 Thompson No 2?
Thompson No 2 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 Thompson No 2?
Thompson No 2 has a dam height of 19 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 Thompson No 2 last inspected?
Thompson No 2 was last inspected on October 18, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.