Cowan Lake Dam
Key Takeaway
Cowan Lake Dam is classified as low hazard in Missouri. It was completed in 1956 and is 70 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 25 ft (taller than 23.5% in MO) |
| Dam Type | Earth |
| Max Storage | 40 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 70 sq mi |
| Year Completed | 1956 (70 years old) |
| NID ID | MO30182 |
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 E COWAN
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Cowan Lake Dam?
Cowan 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 Cowan Lake Dam?
Cowan Lake Dam is owned by ROBERT E COWAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cowan Lake Dam built?
Cowan Lake Dam was completed in 1956, making it 70 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 Cowan Lake Dam?
Cowan Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cowan Lake Dam?
Cowan Lake Dam has a dam height of 25 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.