Mckinney Lake Dam
Key Takeaway
Mckinney Lake Dam is classified as significant hazard in North Carolina. It was completed in 1939 and is 87 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 23 ft (taller than 38.8% in NC) |
| Dam Length | 440 ft |
| Dam Type | Earth |
| Max Storage | 1.8K acre-ft |
| Normal Storage | 270 acre-ft |
| Surface Area | 73 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 9,061 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | NC00651 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
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High HazardFrequently Asked Questions
What is the hazard classification of Mckinney Lake Dam?
Mckinney Lake 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 Mckinney Lake Dam?
Mckinney Lake Dam is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mckinney Lake Dam built?
Mckinney Lake Dam was completed in 1939, making it 87 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 Mckinney Lake Dam?
Mckinney Lake Dam 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 Mckinney Lake Dam?
Mckinney Lake Dam has a dam height of 23 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 Mckinney Lake Dam last inspected?
Mckinney Lake Dam was last inspected on July 21, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.