Maple River Dam (T-180)
Key Takeaway
Maple River Dam (T-180) is classified as high hazard in North Dakota. It was completed in 1985 and is 41 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 52 ft (taller than 96% in ND) |
| Dam Length | 2,470 ft |
| Dam Type | Earth |
| Max Storage | 5.2K acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 37 sq mi |
| Year Completed | 1985 (41 years old) |
| Year Modified | 2020 |
| NID ID | ND00472 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Maple River WRB
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Maple River Dam (T-180)?
Maple River Dam (T-180) is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Maple River Dam (T-180)?
Maple River Dam (T-180) is owned by Maple River WRB (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Maple River Dam (T-180) built?
Maple River Dam (T-180) was completed in 1985, making it 41 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 Maple River Dam (T-180)?
Maple River Dam (T-180) 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 Maple River Dam (T-180)?
Maple River Dam (T-180) has a dam height of 52 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 Maple River Dam (T-180) last inspected?
Maple River Dam (T-180) was last inspected on November 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.