Cowan Lake Dam East
Key Takeaway
Cowan Lake Dam East is classified as high hazard in Missouri. It was completed in 1960 and is 66 years old. Its primary use is other. 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 | 34 ft (taller than 82.3% in MO) |
| Dam Type | Earth |
| Max Storage | 364 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 180 sq mi |
| Year Completed | 1960 (66 years old) |
| NID ID | MO20338 |
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
W.O. COWAN
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Cowan Lake Dam East?
Cowan Lake Dam East 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 Cowan Lake Dam East?
Cowan Lake Dam East is owned by W.O. COWAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cowan Lake Dam East built?
Cowan Lake Dam East was completed in 1960, making it 66 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 East?
Cowan Lake Dam East serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cowan Lake Dam East?
Cowan Lake Dam East has a dam height of 34 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.