Dearborn Reservoir Dam
Key Takeaway
Dearborn Reservoir Dam is classified as high hazard in Missouri. It was completed in 1959 and is 67 years old. Its primary use is water supply. 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 | 28 ft (taller than 54.3% in MO) |
| Dam Type | Earth |
| Max Storage | 180 acre-ft |
| Normal Storage | 140 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 370 sq mi |
| Year Completed | 1959 (67 years old) |
| NID ID | MO10426 |
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
CITY OF DEARBORN
Local Government
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What is the hazard classification of Dearborn Reservoir Dam?
Dearborn Reservoir 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 Dearborn Reservoir Dam?
Dearborn Reservoir Dam is owned by CITY OF DEARBORN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dearborn Reservoir Dam built?
Dearborn Reservoir Dam was completed in 1959, making it 67 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 Dearborn Reservoir Dam?
Dearborn Reservoir Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dearborn Reservoir Dam?
Dearborn Reservoir Dam has a dam height of 28 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.