Des Lacs Dam 7a
Key Takeaway
Des Lacs Dam 7a is classified as low hazard in North Dakota. It was completed in 1937 and is 89 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 9 ft (taller than 12.8% in ND) |
| Dam Length | 2,453 ft |
| Dam Type | Earth |
| Max Storage | 4.5K acre-ft |
| Normal Storage | 2.7K acre-ft |
| Surface Area | 437 acres |
| Drainage Area | 661 sq mi |
| Year Completed | 1937 (89 years old) |
| NID ID | ND00323 |
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
USFWS
Federal Government
Nearby Dams
Des Lacs #8 Dam
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Low Hazard 10 ftDes Lacs Dam 6 (Nwr)
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Low Hazard 9 ftDes Lacs #5 Dam
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Low Hazard 10 ftDes Lacs #4 Dam
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Low Hazard 10 ftDes Lacs Dam 4a (Leg B and C)
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Low Hazard 10 ftTaskers Coulee Dam
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Low Hazard 30 ftNelson-Landers Dam
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Low Hazard 21 ftDes Lacs Dam 3 (Nwr)
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Des Lacs Dam 7a?
Des Lacs Dam 7a 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 Des Lacs Dam 7a?
Des Lacs Dam 7a is owned by USFWS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Des Lacs Dam 7a built?
Des Lacs Dam 7a 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 Des Lacs Dam 7a?
Des Lacs Dam 7a 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 Des Lacs Dam 7a?
Des Lacs Dam 7a has a dam height of 9 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 Des Lacs Dam 7a last inspected?
Des Lacs Dam 7a was last inspected on October 10, 1988. Inspection dates indicate when a formal review occurred, not the results of that inspection.