Bar D
Key Takeaway
Bar D is classified as significant hazard in Idaho. It was completed in 1950 and is 76 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 46.3% in ID) |
| Dam Length | 600 ft |
| Normal Storage | 227 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 138 sq mi |
| Max Discharge | 260 cfs |
| Year Completed | 1950 (76 years old) |
| Year Modified | 2007 |
| NID ID | ID00137 |
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 Bar D?
Bar D 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 Bar D?
Bar D is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Bar D built?
Bar D was completed in 1950, making it 76 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 Bar D?
Bar D 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 Bar D?
Bar D has a dam height of 26 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 Bar D last inspected?
Bar D was last inspected on November 12, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.