Evan Johnson Dam
Key Takeaway
Evan Johnson Dam is classified as low hazard in Missouri. It was completed in 2001 and is 25 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 29 ft (taller than 59.6% in MO) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 48 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 198 sq mi |
| Max Discharge | 33 cfs |
| Year Completed | 2001 (25 years old) |
| NID ID | MO51101 |
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
EVAN JOHNSON
Private
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Evan Johnson Dam?
Evan 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 Evan Johnson Dam?
Evan Johnson Dam is owned by EVAN JOHNSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Evan Johnson Dam built?
Evan Johnson Dam was completed in 2001, making it 25 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 Evan Johnson Dam?
Evan Johnson 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 Evan Johnson Dam?
Evan 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 Evan Johnson Dam last inspected?
Evan Johnson Dam was last inspected on September 1, 2001. Inspection dates indicate when a formal review occurred, not the results of that inspection.