Logan First Dam
Key Takeaway
Logan First Dam is classified as high hazard in Utah. It was completed in 1914 and is 112 years old. Its primary use is hydroelectric. 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 | 216 ft |
| Dam Type | Buttress |
| Max Storage | 140 acre-ft |
| Normal Storage | 70 acre-ft |
| Drainage Area | 226 sq mi |
| Year Completed | 1914 (112 years old) |
| NID ID | UT00380 |
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
UTAH STATE UNIVERSITY
Local Government
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Significant Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Logan First Dam?
Logan First Dam 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 Logan First Dam?
Logan First Dam is owned by UTAH STATE UNIVERSITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Logan First Dam built?
Logan First Dam was completed in 1914, making it 112 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 Logan First Dam?
Logan First Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Logan First Dam last inspected?
Logan First Dam was last inspected on June 8, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.