Mannford Lake
Key Takeaway
Mannford Lake is classified as significant hazard in Oklahoma. It was completed in 1950 and is 76 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 50 ft (taller than 94.2% in OK) |
| Dam Length | 2,892 ft |
| Dam Type | Earth |
| Max Storage | 9.0K acre-ft |
| Normal Storage | 5.4K acre-ft |
| Surface Area | 293 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 19,600 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | OK00567 |
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
TOWN OF MANNFORD
Local Government
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Mannford Lake?
Mannford Lake 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 Mannford Lake?
Mannford Lake is owned by TOWN OF MANNFORD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mannford Lake built?
Mannford Lake was completed in 1950, making it 76 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 Mannford Lake?
Mannford Lake serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mannford Lake?
Mannford Lake has a dam height of 50 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 Mannford Lake last inspected?
Mannford Lake was last inspected on November 6, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.