Heron Lake Dam Lower
Key Takeaway
Heron Lake Dam Lower is classified as low hazard in Missouri. It was completed in 1962 and is 64 years old. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 1.7% in MO) |
| Dam Type | Earth |
| Max Storage | 281 acre-ft |
| Normal Storage | 175 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 330 sq mi |
| Year Completed | 1962 (64 years old) |
| NID ID | MO10917 |
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
CLAYTON COMMODITY SERVIC
Private
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Low Hazard 42 ftFrequently Asked Questions
What is the hazard classification of Heron Lake Dam Lower?
Heron Lake Dam Lower 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 Heron Lake Dam Lower?
Heron Lake Dam Lower 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 Lower built?
Heron Lake Dam Lower was completed in 1962, making it 64 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 Lower?
Heron Lake Dam Lower serves the following purposes: 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 Lower?
Heron Lake Dam Lower has a dam height of 15 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.