Tunnel Dam
Key Takeaway
Tunnel Dam is classified as low hazard in Missouri. It was completed in 1930 and is 96 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 24 ft (taller than 20.3% in MO) |
| Dam Length | 878 ft |
| Dam Type | Gravity |
| Max Storage | 2.7K acre-ft |
| Normal Storage | 1.5K acre-ft |
| Surface Area | 360 acres |
| Drainage Area | 627 sq mi |
| Max Discharge | 62,000 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | MO30205 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Sho-Me Power Corporation
Public Utility
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Tunnel Dam?
Tunnel Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Tunnel Dam?
Tunnel Dam is owned by Sho-Me Power Corporation (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tunnel Dam built?
Tunnel Dam was completed in 1930, making it 96 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 Tunnel Dam?
Tunnel Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Tunnel Dam?
Tunnel Dam has a dam height of 24 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 Tunnel Dam last inspected?
Tunnel Dam was last inspected on June 15, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.