Autumn Lake Dam
Key Takeaway
Autumn Lake Dam is classified as high hazard in Missouri. It was completed in 1962 and is 64 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 | 32 ft (taller than 76.3% in MO) |
| Dam Type | Earth |
| Max Storage | 120 acre-ft |
| Normal Storage | 81 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 346 sq mi |
| Year Completed | 1962 (64 years old) |
| NID ID | MO30446 |
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
AUTUMN LAKE DEVL. CO.
Private
Nearby Dams
Lost Trails Estates Dam
Jefferson, MO
High Hazard 43 ftGlen Rose Lake Dam
Jefferson, MO
High Hazard 30 ftPine Lake Dam
Jefferson, MO
High Hazard 33 ftManley Lake Dam
Jefferson, MO
High Hazard 20 ftStonehenge #1 Dam
Jefferson, MO
High Hazard 41 ftLiguori Lake Dam - Nonane 255
Jefferson, MO
High Hazard 25 ftLake Kearney Dam
Jefferson, MO
High Hazard 25 ftLake Forest Dam #2
Jefferson, MO
Significant Hazard 43 ftFrequently Asked Questions
What is the hazard classification of Autumn Lake Dam?
Autumn 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 Autumn Lake Dam?
Autumn Lake Dam is owned by AUTUMN LAKE DEVL. CO. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Autumn Lake Dam built?
Autumn Lake Dam was completed in 1962, making it 64 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 Autumn Lake Dam?
Autumn 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 Autumn Lake Dam?
Autumn Lake Dam has a dam height of 32 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 Autumn Lake Dam last inspected?
Autumn Lake Dam was last inspected on September 8, 1978. Inspection dates indicate when a formal review occurred, not the results of that inspection.