Lake Monticello Dam
Key Takeaway
Lake Monticello Dam is classified as high hazard in Arkansas. It was completed in 1993 and is 33 years old. Its primary use is flood risk reduction. 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 | 69 ft (taller than 92.6% in AR) |
| Dam Length | 7,043 ft |
| Dam Type | Earth |
| Max Storage | 35.8K acre-ft |
| Normal Storage | 24.6K acre-ft |
| Surface Area | 1,402 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 13,065 cfs |
| Year Completed | 1993 (33 years old) |
| NID ID | AR01516 |
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 MONTICELLO
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lake Monticello Dam?
Lake Monticello 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 Lake Monticello Dam?
Lake Monticello Dam is owned by CITY OF MONTICELLO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Monticello Dam built?
Lake Monticello Dam was completed in 1993, making it 33 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 Lake Monticello Dam?
Lake Monticello Dam serves the following purposes: Flood Risk Reduction, Other, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Monticello Dam?
Lake Monticello Dam has a dam height of 69 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.
When was Lake Monticello Dam last inspected?
Lake Monticello Dam was last inspected on October 5, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.