Blacktail Dam
Key Takeaway
Blacktail Dam is classified as significant hazard in North Dakota. It was completed in 1959 and is 67 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 57 ft (taller than 96.9% in ND) |
| Dam Length | 2,250 ft |
| Dam Type | Earth |
| Max Storage | 5.3K acre-ft |
| Normal Storage | 2.7K acre-ft |
| Surface Area | 158 acres |
| Drainage Area | 28 sq mi |
| Year Completed | 1959 (67 years old) |
| NID ID | ND00033 |
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
ND Game & Fish
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Blacktail Dam?
Blacktail Dam 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 Blacktail Dam?
Blacktail Dam is owned by ND Game & Fish (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Blacktail Dam built?
Blacktail Dam was completed in 1959, making it 67 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 Blacktail Dam?
Blacktail Dam serves the following purposes: Recreation, 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 Blacktail Dam?
Blacktail Dam has a dam height of 57 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 Blacktail Dam last inspected?
Blacktail Dam was last inspected on May 21, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.