Trenton Lake Upper Dam
Key Takeaway
Trenton Lake Upper Dam is classified as high hazard in Missouri. It was completed in 1963 and is 63 years old. Its primary use is flood risk reduction. 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 | 34 ft (taller than 82.3% in MO) |
| Dam Length | 1,330 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 690 acre-ft |
| Surface Area | 67 acres |
| Drainage Area | 577 sq mi |
| Max Discharge | 109 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | MO10365 |
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
TRENTON LAKE ASSOCIATION
Private
Nearby Dams
Trenton Lower Lake Dam
Grundy, MO
High Hazard 20 ftTipton Lake Dam
Grundy, MO
Low Hazard 25 ftDavis Lake Dam
Grundy, MO
Low Hazard 25 ftRex Gray Dam
Grundy, MO
Low Hazard 28 ftMack&Woodard Lake Dam-Sect 35
Grundy, MO
Low Hazard 25 ftBill Gutshall Dam
Grundy, MO
Low Hazard 24 ftVeatch Lake Dam
Grundy, MO
Low Hazard 25 ftTrenton Reservoir North
Grundy, MO
Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Trenton Lake Upper Dam?
Trenton Lake Upper 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 Trenton Lake Upper Dam?
Trenton Lake Upper Dam is owned by TRENTON LAKE ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Trenton Lake Upper Dam built?
Trenton Lake Upper Dam was completed in 1963, making it 63 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 Trenton Lake Upper Dam?
Trenton Lake Upper Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Trenton Lake Upper Dam?
Trenton Lake Upper Dam has a dam height of 34 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 Trenton Lake Upper Dam last inspected?
Trenton Lake Upper Dam was last inspected on August 14, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.