Long Lake Nwr - G12 Marsh
Key Takeaway
Long Lake Nwr - G12 Marsh is classified as low hazard in North Dakota. It was completed in 1991 and is 35 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 7 ft (taller than 0.9% in ND) |
| Dam Length | 0 ft |
| Dam Type | Earth |
| Max Storage | 500 acre-ft |
| Normal Storage | 129 acre-ft |
| Surface Area | 89 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1991 (35 years old) |
| NID ID | ND00510 |
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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What is the hazard classification of Long Lake Nwr - G12 Marsh?
Long Lake Nwr - G12 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 Long Lake Nwr - G12 Marsh?
Long Lake Nwr - G12 Marsh is owned by USFWS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long Lake Nwr - G12 Marsh built?
Long Lake Nwr - G12 Marsh was completed in 1991, making it 35 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 Long Lake Nwr - G12 Marsh?
Long Lake Nwr - G12 Marsh serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, 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 Long Lake Nwr - G12 Marsh?
Long Lake Nwr - G12 Marsh has a dam height of 7 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.