T & T Johnston Lake Dam
Key Takeaway
T & T Johnston Lake Dam is classified as low hazard in Mississippi. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 30.5% in MS) |
| Dam Length | 610 ft |
| Dam Type | Earth |
| Max Storage | 105 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 1 sq mi |
| NID ID | MS03719 |
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
TY AND TESS JOHNSTON
Private
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What is the hazard classification of T & T Johnston Lake Dam?
T & T Johnston 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 T & T Johnston Lake Dam?
T & T Johnston Lake Dam is owned by TY AND TESS JOHNSTON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of T & T Johnston Lake Dam?
T & T Johnston Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is T & T Johnston Lake Dam?
T & T Johnston Lake Dam has a dam height of 15 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.