Simpson Lake Dam
Key Takeaway
Simpson Lake Dam is classified as high hazard in Mississippi. It was completed in 1994 and is 32 years old. Its primary use is recreation. 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 | 23 ft (taller than 73.7% in MS) |
| Dam Length | 832 ft |
| Dam Type | Earth |
| Max Storage | 275 acre-ft |
| Normal Storage | 229 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 74 cfs |
| Year Completed | 1994 (32 years old) |
| NID ID | MS03368 |
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
VERNON AND TIMOTHY SIMPSON
Private
Nearby Dams
Hershel Key Pond Dam
Tate, MS
Low Hazard 14 ftMs05600 Lake Dam
Tate, MS
Low Hazard 24 ftMs05602 Lake Dam
Tate, MS
Low Hazard 16 ftSenatobia Lakes Subdivision Dam
Tate, MS
Low Hazard 15 ftMs05601 Lake Dam
Tate, MS
Low Hazard 30 ftMs05469 Lake Dam
Tate, MS
Low Hazard 15 ftMs05603 Lake Dam
Tate, MS
Unknown 14 ftMs05468 Lake Dam
Tate, MS
Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Simpson Lake Dam?
Simpson Lake Dam 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 Simpson Lake Dam?
Simpson Lake Dam is owned by VERNON AND TIMOTHY SIMPSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Simpson Lake Dam built?
Simpson Lake Dam was completed in 1994, making it 32 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 Simpson Lake Dam?
Simpson Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Simpson Lake Dam?
Simpson 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 Simpson Lake Dam last inspected?
Simpson Lake Dam was last inspected on March 5, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.