Mallard Island Gma #6
Key Takeaway
Mallard Island Gma #6 is classified as low hazard in North Dakota. It was completed in 1988 and is 38 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 8 ft (taller than 6% in ND) |
| Dam Length | 0 ft |
| Dam Type | Earth |
| Max Storage | 125 acre-ft |
| Normal Storage | 67 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1988 (38 years old) |
| NID ID | ND00434 |
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
USACE
Federal Government
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Mallard Island Gma #6?
Mallard Island Gma #6 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 Mallard Island Gma #6?
Mallard Island Gma #6 is owned by USACE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mallard Island Gma #6 built?
Mallard Island Gma #6 was completed in 1988, making it 38 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 Mallard Island Gma #6?
Mallard Island Gma #6 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 Mallard Island Gma #6?
Mallard Island Gma #6 has a dam height of 8 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.