Arnegard Dam
Key Takeaway
Arnegard Dam is classified as low hazard in North Dakota. It was completed in 1935 and is 91 years old. Its primary use is recreation.
Physical Details
| Dam Height | 14 ft (taller than 42.3% in ND) |
| Dam Length | 1,700 ft |
| Dam Type | Earth |
| Max Storage | 287 acre-ft |
| Normal Storage | 86 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 19 sq mi |
| Year Completed | 1935 (91 years old) |
| NID ID | ND00195 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
McKenzie County WRB
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Arnegard Dam?
Arnegard Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Arnegard Dam?
Arnegard Dam is owned by McKenzie County WRB (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arnegard Dam built?
Arnegard Dam was completed in 1935, making it 91 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 Arnegard Dam?
Arnegard Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Arnegard Dam?
Arnegard Dam 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 Arnegard Dam last inspected?
Arnegard Dam was last inspected on May 22, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.