Johnson Lake Dam
Key Takeaway
Johnson Lake Dam is classified as low hazard in Missouri. It was completed in 1976 and is 50 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 30 ft (taller than 63.5% in MO) |
| Dam Type | Earth |
| Max Storage | 177 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 140 sq mi |
| Year Completed | 1976 (50 years old) |
| NID ID | MO20408 |
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
ROY JOHNSON
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Johnson Lake Dam?
Johnson 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 Johnson Lake Dam?
Johnson Lake Dam is owned by ROY JOHNSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnson Lake Dam built?
Johnson 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 Johnson Lake Dam?
Johnson Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Johnson Lake Dam?
Johnson Lake Dam has a dam height of 30 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.