Trial Lake
Key Takeaway
Trial Lake is classified as high hazard in Utah. It was completed in 1990 and is 36 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 | 43 ft (taller than 55.9% in UT) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 0 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 150 cfs |
| Year Completed | 1990 (36 years old) |
| NID ID | UT00301 |
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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Low HazardFrequently Asked Questions
What is the hazard classification of Trial Lake?
Trial Lake 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 Trial Lake?
Trial Lake is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Trial Lake built?
Trial Lake was completed in 1990, making it 36 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 Trial Lake?
Trial Lake 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 Trial Lake?
Trial Lake has a dam height of 43 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 Trial Lake last inspected?
Trial Lake was last inspected on July 14, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.