Hand J.W.
Key Takeaway
Hand J.W. is classified as low hazard in Oklahoma. It was completed in 1960 and is 66 years old. Its primary use is other.
Physical Details
| Dam Height | 30 ft (taller than 54.9% in OK) |
| Dam Length | 390 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 1 acres |
| Max Discharge | 1,800 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | OK12365 |
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
SIMMONS 320 LLC
Private
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Low Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Hand J.W.?
Hand J.W. 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 Hand J.W.?
Hand J.W. is owned by SIMMONS 320 LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hand J.W. built?
Hand J.W. was completed in 1960, making it 66 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 Hand J.W.?
Hand J.W. serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hand J.W.?
Hand J.W. has a dam height of 30 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 Hand J.W. last inspected?
Hand J.W. was last inspected on August 1, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.