Tomahawk Dam
Key Takeaway
Tomahawk Dam is classified as low hazard in North Dakota. It was completed in 1936 and is 90 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 11 ft (taller than 27.8% in ND) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 761 acre-ft |
| Normal Storage | 369 acre-ft |
| Surface Area | 77 acres |
| Drainage Area | 104 sq mi |
| Max Discharge | 1,560 cfs |
| Year Completed | 1936 (90 years old) |
| NID ID | ND00356 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Tomahawk Dam?
Tomahawk 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 Tomahawk Dam?
Tomahawk Dam is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tomahawk Dam built?
Tomahawk Dam was completed in 1936, making it 90 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 Tomahawk Dam?
Tomahawk Dam serves the following purposes: 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 Tomahawk Dam?
Tomahawk Dam has a dam height of 11 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 Tomahawk Dam last inspected?
Tomahawk Dam was last inspected on August 10, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.