Chapman Wm
Key Takeaway
Chapman Wm is classified as low hazard in Oklahoma. It was completed in 1977 and is 49 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 20 ft (taller than 11.5% in OK) |
| Dam Length | 542 ft |
| Dam Type | Earth |
| Max Storage | 80 acre-ft |
| Normal Storage | 50 acre-ft |
| Max Discharge | 2,325 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | OK13177 |
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
WILLIAM C CHAPMAN
Private
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Low Hazard 49 ftFrequently Asked Questions
What is the hazard classification of Chapman Wm?
Chapman Wm 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 Chapman Wm?
Chapman Wm is owned by WILLIAM C CHAPMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chapman Wm built?
Chapman Wm was completed in 1977, making it 49 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 Chapman Wm?
Chapman Wm serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Chapman Wm?
Chapman Wm has a dam height of 20 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 Chapman Wm last inspected?
Chapman Wm was last inspected on November 20, 2002. Inspection dates indicate when a formal review occurred, not the results of that inspection.