Long Upper Lake Dam
Key Takeaway
Long Upper Lake Dam is classified as low hazard in Missouri. It was completed in 1955 and is 71 years old. Its primary use is recreation.
Physical Details
| Dam Height | 20 ft (taller than 7.1% in MO) |
| Dam Type | Earth |
| Max Storage | 107 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 280 sq mi |
| Year Completed | 1955 (71 years old) |
| NID ID | MO20717 |
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
ROBERT S LONG,DDS
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Long Upper Lake Dam?
Long Upper 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 Long Upper Lake Dam?
Long Upper Lake Dam is owned by ROBERT S LONG,DDS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long Upper Lake Dam built?
Long Upper Lake Dam was completed in 1955, making it 71 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 Long Upper Lake Dam?
Long Upper 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 Long Upper Lake Dam?
Long Upper Lake Dam has a dam height of 20 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.