Grant Dam
Key Takeaway
Grant Dam is classified as low hazard in Missouri. It was completed in 2005 and is 21 years old. Its primary use is grade stabilization.
Physical Details
| Dam Height | 28 ft (taller than 54.3% in MO) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 21 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 64 sq mi |
| Max Discharge | 1 cfs |
| Year Completed | 2005 (21 years old) |
| NID ID | MO51376 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ROGER GRANT
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Grant Dam?
Grant Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Grant Dam?
Grant Dam is owned by ROGER GRANT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grant Dam built?
Grant Dam was completed in 2005, making it 21 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 Grant Dam?
Grant Dam serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Grant Dam?
Grant Dam has a dam height of 28 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 Grant Dam last inspected?
Grant Dam was last inspected on September 15, 2005. Inspection dates indicate when a formal review occurred, not the results of that inspection.