Black River Imp
Key Takeaway
Black River Imp is classified as significant hazard in Minnesota. It was completed in 2022 and is 4 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 | 14 ft (taller than 48.1% in MN) |
| Dam Type | Earth |
| Max Storage | 6.0K acre-ft |
| Drainage Area | 17 sq mi |
| Year Completed | 2022 (4 years old) |
| NID ID | MN01812 |
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
WD of Red Lake
Local Government
Nearby Dams
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Black River Imp?
Black River Imp 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 Black River Imp?
Black River Imp is owned by WD of Red Lake (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Black River Imp built?
Black River Imp was completed in 2022, making it 4 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 Black River Imp?
Black River Imp 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 Black River Imp?
Black River Imp has a dam height of 14 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 Black River Imp last inspected?
Black River Imp was last inspected on August 10, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.