Johns Dam
Key Takeaway
Johns Dam is classified as low hazard in Missouri. It was completed in 2000 and is 26 years old.
Physical Details
| Dam Height | 33 ft (taller than 79.3% in MO) |
| Max Storage | 483 acre-ft |
| Normal Storage | 253 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 1,500 sq mi |
| Year Completed | 2000 (26 years old) |
| NID ID | MO32085 |
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
Private
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What is the hazard classification of Johns Dam?
Johns 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 Johns Dam?
Johns Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johns Dam built?
Johns Dam was completed in 2000, making it 26 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Johns Dam?
Johns Dam has a dam height of 33 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.