Wilson (Judith Basin)
Key Takeaway
Wilson (Judith Basin) is classified as high hazard in Montana. It was completed in 1952 and is 74 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 | 29 ft (taller than 82.2% in MT) |
| Dam Length | 680 ft |
| Dam Type | Earth |
| Max Storage | 148 acre-ft |
| Normal Storage | 134 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 16 sq mi |
| Max Discharge | 720 cfs |
| Year Completed | 1952 (74 years old) |
| Year Modified | 2021 |
| NID ID | MT01268 |
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
SURPRISE CREEK COLONY RANCH
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Wilson (Judith Basin)?
Wilson (Judith Basin) 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 Wilson (Judith Basin)?
Wilson (Judith Basin) is owned by SURPRISE CREEK COLONY RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wilson (Judith Basin) built?
Wilson (Judith Basin) was completed in 1952, making it 74 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 Wilson (Judith Basin)?
Wilson (Judith Basin) 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 Wilson (Judith Basin)?
Wilson (Judith Basin) has a dam height of 29 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 Wilson (Judith Basin) last inspected?
Wilson (Judith Basin) was last inspected on November 1, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.