Mccowan Dam
Key Takeaway
Mccowan Dam is classified as high hazard in Missouri. It was completed in 1978 and is 48 years old. Its primary use is irrigation. 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 | 25 ft (taller than 23.5% in MO) |
| Dam Type | Earth |
| Max Storage | 80 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 97 sq mi |
| Year Completed | 1978 (48 years old) |
| NID ID | MO11569 |
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
ROBERT D.MCCOWAN
Private
Nearby Dams
Brown Lake Dam
Monroe, MO
Low Hazard 25 ftRoger O'Bannon Irr. Res.
Monroe, MO
Low Hazard 22 ftMallory Lake Dam
Randolph, MO
Low Hazard 20 ftThomas Dam
Monroe, MO
Low Hazard 27 ftMartin Lake Dam
Randolph, MO
High Hazard 18 ftAnderson Lake Dam
Randolph, MO
High Hazard 25 ftJohnson Lake Dam
Randolph, MO
Low Hazard 25 ftO'Hara Lake Dam
Randolph, MO
High Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Mccowan Dam?
Mccowan 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 Mccowan Dam?
Mccowan Dam is owned by ROBERT D.MCCOWAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mccowan Dam built?
Mccowan Dam was completed in 1978, making it 48 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 Mccowan Dam?
Mccowan Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mccowan Dam?
Mccowan 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.