Heyen Lake Dam
Key Takeaway
Heyen Lake Dam is classified as high hazard in Missouri. It was completed in 1973 and is 53 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 | 24 ft (taller than 20.3% in MO) |
| Dam Type | Earth |
| Max Storage | 244 acre-ft |
| Normal Storage | 126 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 390 sq mi |
| Year Completed | 1973 (53 years old) |
| NID ID | MO10385 |
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
RUDY HEYEN JR
Private
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What is the hazard classification of Heyen Lake Dam?
Heyen Lake 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 Heyen Lake Dam?
Heyen Lake Dam is owned by RUDY HEYEN JR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Heyen Lake Dam built?
Heyen Lake Dam was completed in 1973, making it 53 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 Heyen Lake Dam?
Heyen Lake Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Heyen Lake Dam?
Heyen Lake Dam has a dam height of 24 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.