Hansen Marsh
Key Takeaway
Hansen Marsh is classified as low hazard in North Dakota. It was completed in 2002 and is 24 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 8 ft (taller than 6% in ND) |
| Dam Length | 2,775 ft |
| Dam Type | Earth |
| Max Storage | 453 acre-ft |
| Normal Storage | 271 acre-ft |
| Surface Area | 82 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 2002 (24 years old) |
| NID ID | ND00949 |
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
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Hansen Marsh?
Hansen Marsh 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 Hansen Marsh?
Hansen Marsh is owned by USFWS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hansen Marsh built?
Hansen Marsh was completed in 2002, making it 24 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 Hansen Marsh?
Hansen Marsh serves the following purposes: Flood Risk Reduction, 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 Hansen Marsh?
Hansen Marsh 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.
When was Hansen Marsh last inspected?
Hansen Marsh was last inspected on June 4, 2002. Inspection dates indicate when a formal review occurred, not the results of that inspection.