Johnston
Key Takeaway
Johnston is classified as low hazard in Tennessee. It was completed in 1963 and is 63 years old. Its primary use is fire protection.
Physical Details
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 111 acre-ft |
| Normal Storage | 71 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1963 (63 years old) |
| NID ID | TN01103 |
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
JOHNSTON, S. K.
Private
Nearby Dams
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Significant HazardJohnston Woods
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Low HazardHonor's Golf Course
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High HazardWildwood #2
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Significant HazardFrequently Asked Questions
What is the hazard classification of Johnston?
Johnston 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 Johnston?
Johnston is owned by JOHNSTON, S. K. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnston built?
Johnston was completed in 1963, making it 63 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 Johnston?
Johnston serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Johnston last inspected?
Johnston was last inspected on November 5, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.