Massey
Key Takeaway
Massey is classified as high hazard in Oklahoma. It was completed in 1970 and is 56 years old. Its primary use is other. 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 Height | 21 ft (taller than 17.7% in OK) |
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 122 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 8 acres |
| Year Completed | 1970 (56 years old) |
| NID ID | OK12201 |
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
OAKDALE VALLEY DEVELOPMENT LLC
Private
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High Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Massey?
Massey 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 Massey?
Massey is owned by OAKDALE VALLEY DEVELOPMENT LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Massey built?
Massey was completed in 1970, making it 56 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 Massey?
Massey 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 Massey?
Massey has a dam height of 21 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 Massey last inspected?
Massey was last inspected on January 5, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.