Lost Creek
Key Takeaway
Lost Creek is classified as high hazard in Utah. It was completed in 1966 and is 60 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 Length | 1,110 ft |
| Dam Type | Earth |
| Max Storage | 26.8K acre-ft |
| Normal Storage | 22.5K acre-ft |
| Surface Area | 365 acres |
| Drainage Area | 123 sq mi |
| Max Discharge | 800 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | UT10125 |
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
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High Hazard 218 ftFrequently Asked Questions
What is the hazard classification of Lost Creek?
Lost Creek 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 Lost Creek?
Lost Creek is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lost Creek built?
Lost Creek was completed in 1966, making it 60 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 Lost Creek?
Lost Creek serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Lost Creek last inspected?
Lost Creek was last inspected on May 14, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.