John Oneall
Key Takeaway
John Oneall is classified as low hazard in Alabama. It was completed in 1971 and is 55 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 17 ft (taller than 44% in AL) |
| Dam Length | 775 ft |
| Dam Type | Earth |
| Max Storage | 336 acre-ft |
| Normal Storage | 228 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,729 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | AL00860 |
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 ONEALL
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of John Oneall?
John Oneall 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 Oneall?
John Oneall is owned by JOHN ONEALL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was John Oneall built?
John Oneall was completed in 1971, making it 55 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 Oneall?
John Oneall serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is John Oneall?
John Oneall has a dam height of 17 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.