Clark Mary A
Key Takeaway
Clark Mary A is classified as low hazard in Oklahoma. It was completed in 1940 and is 86 years old. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 1% in OK) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 130 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | OK20980 |
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
HOLLOWAY ESTATES LP
Private
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Clark Mary A?
Clark Mary A 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 Clark Mary A?
Clark Mary A is owned by HOLLOWAY ESTATES LP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Clark Mary A built?
Clark Mary A was completed in 1940, making it 86 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 Clark Mary A?
Clark Mary A 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 Clark Mary A?
Clark Mary A 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.
When was Clark Mary A last inspected?
Clark Mary A was last inspected on March 4, 2004. Inspection dates indicate when a formal review occurred, not the results of that inspection.