Willow Creek Bor Mt
Key Takeaway
Willow Creek Bor Mt is classified as high hazard in Montana. It was completed in 1911 and is 115 years old. Its primary use is irrigation. 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 | 74 ft (taller than 98.4% in MT) |
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 39.8K acre-ft |
| Normal Storage | 32.3K acre-ft |
| Surface Area | 1,470 acres |
| Drainage Area | 95 sq mi |
| Year Completed | 1911 (115 years old) |
| NID ID | MT00577 |
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
RECLAMATION
Federal Government
Nearby Dams
Young Clemons
Teton, MT
Low Hazard 18 ftGordan Lightfoot
Teton, MT
Low Hazard 25 ftYoung Sun
Teton, MT
Low Hazard 15 ftPorrini
Lewis and Clark, MT
Low Hazard 10 ftNilan East Dam
Lewis and Clark, MT
High Hazard 51 ftNilan North Dam
Lewis and Clark, MT
High Hazard 51 ftStandley Irrigation Dam
Teton, MT
Low Hazard 15 ftJ B Long and Company #3
Lewis and Clark, MT
Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Willow Creek Bor Mt?
Willow Creek Bor Mt 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 Willow Creek Bor Mt?
Willow Creek Bor Mt is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Willow Creek Bor Mt built?
Willow Creek Bor Mt was completed in 1911, making it 115 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 Willow Creek Bor Mt?
Willow Creek Bor Mt 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 Willow Creek Bor Mt?
Willow Creek Bor Mt has a dam height of 74 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 Willow Creek Bor Mt last inspected?
Willow Creek Bor Mt was last inspected on June 24, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.