Tie Hack
Key Takeaway
Tie Hack is classified as high hazard in Wyoming. It was completed in 1997 and is 29 years old. Its primary use is water supply. 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 | 110 ft (taller than 98.7% in WY) |
| Dam Length | 500 ft |
| Dam Type | Concrete |
| Normal Storage | 2.4K acre-ft |
| Surface Area | 63 acres |
| Drainage Area | 41 sq mi |
| Max Discharge | 1,957 cfs |
| Year Completed | 1997 (29 years old) |
| NID ID | WY02030 |
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
CITY OF BUFFALO
Local Government
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Significant Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Tie Hack?
Tie Hack 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 Tie Hack?
Tie Hack is owned by CITY OF BUFFALO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tie Hack built?
Tie Hack was completed in 1997, making it 29 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 Tie Hack?
Tie Hack serves the following purposes: Water Supply, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Tie Hack?
Tie Hack has a dam height of 110 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 Tie Hack last inspected?
Tie Hack was last inspected on June 29, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.