W.D. Mayo Lock and Dam
Key Takeaway
W.D. Mayo Lock and Dam is classified as significant hazard in Oklahoma. It was completed in 1970 and is 56 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 71 ft (taller than 98.6% in OK) |
| Dam Length | 7,400 ft |
| Dam Type | Gravity |
| Max Storage | 15.8K acre-ft |
| Normal Storage | 15.8K acre-ft |
| Surface Area | 1,595 acres |
| Drainage Area | 148,084 sq mi |
| Max Discharge | 507,000 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | OK10305 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
USACE - Tulsa District
Federal Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of W.D. Mayo Lock and Dam?
W.D. Mayo Lock and Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates W.D. Mayo Lock and Dam?
W.D. Mayo Lock and Dam is owned by USACE - Tulsa District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was W.D. Mayo Lock and Dam built?
W.D. Mayo Lock and Dam 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 W.D. Mayo Lock and Dam?
W.D. Mayo Lock and Dam serves the following purposes: Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is W.D. Mayo Lock and Dam?
W.D. Mayo Lock and Dam has a dam height of 71 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 W.D. Mayo Lock and Dam last inspected?
W.D. Mayo Lock and Dam was last inspected on June 4, 2024. Inspection dates indicate when a formal review occurred, not the results of that inspection.