John David Johnson Dam
Key Takeaway
John David Johnson Dam is classified as low hazard in Missouri. It was completed in 2002 and is 24 years old. Its primary use is grade stabilization.
Physical Details
| Dam Height | 29 ft (taller than 59.6% in MO) |
| Dam Length | 368 ft |
| Dam Type | Earth |
| Max Storage | 26 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 26 sq mi |
| Max Discharge | 8 cfs |
| Year Completed | 2002 (24 years old) |
| NID ID | MO51226 |
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
JOHN DAVID JOHNSON
Private
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Significant Hazard 28 ftFrequently Asked Questions
What is the hazard classification of John David Johnson Dam?
John David Johnson 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 John David Johnson Dam?
John David Johnson Dam is owned by JOHN DAVID JOHNSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was John David Johnson Dam built?
John David Johnson Dam was completed in 2002, making it 24 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 John David Johnson Dam?
John David Johnson Dam serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is John David Johnson Dam?
John David Johnson 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.
When was John David Johnson Dam last inspected?
John David Johnson Dam was last inspected on November 12, 2002. Inspection dates indicate when a formal review occurred, not the results of that inspection.