Henry Lake Dam
Key Takeaway
Henry Lake Dam is classified as significant hazard in Missouri. It was completed in 1976 and is 50 years old. Its primary use is grade stabilization. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 14.9% in MO) |
| Dam Length | 890 ft |
| Dam Type | Earth |
| Max Storage | 64 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 71 cfs |
| Year Completed | 1976 (50 years old) |
| NID ID | MO50209 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
KEITH HENRY
Private
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What is the hazard classification of Henry Lake Dam?
Henry Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Henry Lake Dam?
Henry Lake Dam is owned by KEITH HENRY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Henry Lake Dam built?
Henry Lake Dam was completed in 1976, making it 50 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 Henry Lake Dam?
Henry Lake Dam serves the following purposes: Grade Stabilization, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Henry Lake Dam?
Henry Lake Dam has a dam height of 22 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.