Melvin Price Locks and Dam
Key Takeaway
Melvin Price Locks and Dam is classified as significant hazard in Illinois. It was completed in 1990 and is 36 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 72 ft (taller than 97.4% in IL) |
| Dam Length | 1,700 ft |
| Dam Type | Concrete |
| Max Storage | 238.0K acre-ft |
| Normal Storage | 238.0K acre-ft |
| Surface Area | 30,000 acres |
| Drainage Area | 171,470 sq mi |
| Max Discharge | 650,000 cfs |
| Year Completed | 1990 (36 years old) |
| NID ID | IL50077 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
USACE - St. Louis District
Federal Government
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High Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Melvin Price Locks and Dam?
Melvin Price Locks and Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Melvin Price Locks and Dam?
Melvin Price Locks and Dam is owned by USACE - St. Louis District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Melvin Price Locks and Dam built?
Melvin Price Locks and Dam was completed in 1990, making it 36 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 Melvin Price Locks and Dam?
Melvin Price Locks and Dam serves the following purposes: Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Melvin Price Locks and Dam?
Melvin Price Locks and Dam has a dam height of 72 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 Melvin Price Locks and Dam last inspected?
Melvin Price Locks and Dam was last inspected on December 12, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.