Mississippi River Lock and Dam 10
Key Takeaway
Mississippi River Lock and Dam 10 is classified as significant hazard in Iowa. It was completed in 1937 and is 89 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 7.5% in IA) |
| Dam Length | 6,788 ft |
| Dam Type | Concrete |
| Max Storage | 212.0K acre-ft |
| Normal Storage | 155.0K acre-ft |
| Surface Area | 17,070 acres |
| Drainage Area | 79,370 sq mi |
| Max Discharge | 308,000 cfs |
| Year Completed | 1937 (89 years old) |
| NID ID | IA04014 |
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. Paul District
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Mississippi River Lock and Dam 10?
Mississippi River Lock and Dam 10 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 Mississippi River Lock and Dam 10?
Mississippi River Lock and Dam 10 is owned by USACE - St. Paul District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mississippi River Lock and Dam 10 built?
Mississippi River Lock and Dam 10 was completed in 1937, making it 89 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 Mississippi River Lock and Dam 10?
Mississippi River Lock and Dam 10 serves the following purposes: Navigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mississippi River Lock and Dam 10?
Mississippi River Lock and Dam 10 has a dam height of 20 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 Mississippi River Lock and Dam 10 last inspected?
Mississippi River Lock and Dam 10 was last inspected on July 11, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.