Upper Turtle River Flood Ret. 1
Key Takeaway
Upper Turtle River Flood Ret. 1 is classified as significant hazard in North Dakota. It was completed in 1977 and is 49 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 38 ft (taller than 91.2% in ND) |
| Dam Length | 6,625 ft |
| Dam Type | Earth |
| Max Storage | 4.8K acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 17 sq mi |
| Year Completed | 1977 (49 years old) |
| NID ID | ND00395 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Grand Forks County WRB
Local Government
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What is the hazard classification of Upper Turtle River Flood Ret. 1?
Upper Turtle River Flood Ret. 1 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Upper Turtle River Flood Ret. 1?
Upper Turtle River Flood Ret. 1 is owned by Grand Forks County WRB (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Turtle River Flood Ret. 1 built?
Upper Turtle River Flood Ret. 1 was completed in 1977, making it 49 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 Upper Turtle River Flood Ret. 1?
Upper Turtle River Flood Ret. 1 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Upper Turtle River Flood Ret. 1?
Upper Turtle River Flood Ret. 1 has a dam height of 38 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 Upper Turtle River Flood Ret. 1 last inspected?
Upper Turtle River Flood Ret. 1 was last inspected on July 19, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.