Lake Sympson Dam
Key Takeaway
Lake Sympson Dam is classified as significant hazard in Kentucky. It was completed in 1963 and is 63 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 73 ft (taller than 91.9% in KY) |
| Dam Length | 1,030 ft |
| Dam Type | Rockfill |
| Max Storage | 5.6K acre-ft |
| Normal Storage | 4.0K acre-ft |
| Surface Area | 151 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 11,914 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | KY00045 |
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
COMMONWEALTH OF KENTUCKY
State Government
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Significant Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Lake Sympson Dam?
Lake Sympson 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 Lake Sympson Dam?
Lake Sympson Dam is owned by COMMONWEALTH OF KENTUCKY (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Sympson Dam built?
Lake Sympson Dam was completed in 1963, making it 63 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 Lake Sympson Dam?
Lake Sympson 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 Lake Sympson Dam?
Lake Sympson Dam has a dam height of 73 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 Lake Sympson Dam last inspected?
Lake Sympson Dam was last inspected on December 16, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.