Upper Maple River Dam
Key Takeaway
Upper Maple River Dam is classified as significant hazard in North Dakota. It was completed in 2015 and is 11 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 | 35 ft (taller than 89.4% in ND) |
| Dam Length | 4,717 ft |
| Dam Type | Earth |
| Max Storage | 10.0K acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 58 sq mi |
| Year Completed | 2015 (11 years old) |
| NID ID | ND01122 |
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
Maple-Steele Joint WRB
Local Government
Frequently Asked Questions
What is the hazard classification of Upper Maple River Dam?
Upper Maple River 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 Upper Maple River Dam?
Upper Maple River Dam is owned by Maple-Steele Joint WRB (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Maple River Dam built?
Upper Maple River Dam was completed in 2015, making it 11 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 Maple River Dam?
Upper Maple River Dam 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 Maple River Dam?
Upper Maple River Dam has a dam height of 35 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 Maple River Dam last inspected?
Upper Maple River Dam was last inspected on November 4, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.