Alton Lake Dam
Key Takeaway
Alton Lake Dam is classified as low hazard in Missouri. It was completed in 1964 and is 62 years old. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 1.7% in MO) |
| Dam Type | Earth |
| Max Storage | 169 acre-ft |
| Normal Storage | 105 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 1,020 sq mi |
| Year Completed | 1964 (62 years old) |
| NID ID | MO10734 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
MO DEPT OF CONSERVATION
State Government
Nearby Dams
Hammett Lake Dam
Audrain, MO
Low Hazard 24 ftCarlson Lake Dam
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Low Hazard 16 ftVandalia Community Lake Dam
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High Hazard 21 ftRobertson Dam
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Low Hazard 10 ftRobinson Lake Dam
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Low Hazard 21 ftEisele Lake Dam
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High Hazard 12 ftForee Lake Dam
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High Hazard 26 ftVerna Moore Dam
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Alton Lake Dam?
Alton Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Alton Lake Dam?
Alton Lake Dam is owned by MO DEPT OF CONSERVATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Alton Lake Dam built?
Alton Lake Dam was completed in 1964, making it 62 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 Alton Lake Dam?
Alton 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 Alton Lake Dam?
Alton Lake Dam has a dam height of 15 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.