Hein Lake Dam
Key Takeaway
Hein Lake Dam is classified as low hazard in Missouri. It was completed in 1975 and is 51 years old. Its primary use is debris control.
Physical Details
| Dam Height | 29 ft (taller than 59.6% in MO) |
| Dam Type | Earth |
| Max Storage | 434 acre-ft |
| Normal Storage | 123 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 140 sq mi |
| Year Completed | 1975 (51 years old) |
| NID ID | MO10615 |
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
WILLIAM HEIN
Private
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What is the hazard classification of Hein Lake Dam?
Hein Lake 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 Hein Lake Dam?
Hein Lake Dam is owned by WILLIAM HEIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hein Lake Dam built?
Hein Lake Dam was completed in 1975, making it 51 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 Hein Lake Dam?
Hein Lake Dam serves the following purposes: Debris Control, Fire Protection, Stock, Or Small Fish Pond, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hein Lake Dam?
Hein Lake Dam has a dam height of 29 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.