Heron Lake Dam Upper
Key Takeaway
Heron Lake Dam Upper is classified as high hazard in Missouri. It was completed in 1963 and is 63 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 | 16 ft (taller than 4.1% in MO) |
| Dam Type | Earth |
| Max Storage | 94 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 100 sq mi |
| Year Completed | 1963 (63 years old) |
| NID ID | MO10916 |
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
CLAYTON COMMODITY SERVIC
Private
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Heron Lake Dam Upper?
Heron Lake Dam Upper 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 Heron Lake Dam Upper?
Heron Lake Dam Upper is owned by CLAYTON COMMODITY SERVIC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Heron Lake Dam Upper built?
Heron Lake Dam Upper 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 Heron Lake Dam Upper?
Heron Lake Dam Upper 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 Heron Lake Dam Upper?
Heron Lake Dam Upper has a dam height of 16 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.