John Mcshan Number One
Key Takeaway
John Mcshan Number One is classified as high hazard in Alabama. It was completed in 1952 and is 74 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 990 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Max Discharge | 127 cfs |
| Year Completed | 1952 (74 years old) |
| NID ID | AL00164 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
JOHN T.MCSHAN
Private
Nearby Dams
John Mcshan Number Two
Pickens, AL
Low HazardJohn Mcshan Number Three
Pickens, AL
Low HazardShepherd
Pickens, AL
Low Hazard 20 ftWillaim Latham Dam
Pickens, AL
Significant HazardShelton Dam
Pickens, AL
Low HazardWilliam Latham #1
Pickens, AL
Significant Hazard 19 ftJack House Dam
Pickens, AL
Significant Hazard 20 ftEwart Doughty Dam
Pickens, AL
Significant HazardFrequently Asked Questions
What is the hazard classification of John Mcshan Number One?
John Mcshan Number One is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates John Mcshan Number One?
John Mcshan Number One is owned by JOHN T.MCSHAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was John Mcshan Number One built?
John Mcshan Number One was completed in 1952, making it 74 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 Mcshan Number One?
John Mcshan Number One serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.