Francis
Key Takeaway
Francis is classified as significant hazard in Idaho. It was completed in 1914 and is 112 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 33 ft (taller than 60.7% in ID) |
| Dam Length | 390 ft |
| Normal Storage | 330 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 220 cfs |
| Year Completed | 1914 (112 years old) |
| NID ID | ID00026 |
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 Francis?
Francis 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 Francis?
Francis is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Francis built?
Francis 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 Francis?
Francis 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 Francis?
Francis has a dam height of 33 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 Francis last inspected?
Francis was last inspected on June 2, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.