Chinook, North
Key Takeaway
Chinook, North is classified as low hazard in Montana. It was completed in 1910 and is 116 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 22 ft (taller than 63.5% in MT) |
| Dam Length | 1,900 ft |
| Dam Type | Earth |
| Max Storage | 7.5K acre-ft |
| Normal Storage | 7.0K acre-ft |
| Year Completed | 1910 (116 years old) |
| NID ID | MT00553 |
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
NORTH CHINOOK IRRIGATION CO.
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Chinook, North?
Chinook, North 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 Chinook, North?
Chinook, North is owned by NORTH CHINOOK IRRIGATION CO. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chinook, North built?
Chinook, North was completed in 1910, making it 116 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 Chinook, North?
Chinook, North serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Chinook, North?
Chinook, North has a dam height of 22 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.