Hauser Dam
Key Takeaway
Hauser Dam is classified as high hazard in Montana. It was completed in 1911 and is 115 years old. Its primary use is hydroelectric. 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 | 125 ft (taller than 99.5% in MT) |
| Dam Length | 732 ft |
| Dam Type | Gravity |
| Max Storage | 139.9K acre-ft |
| Normal Storage | 64.3K acre-ft |
| Surface Area | 5,970 acres |
| Drainage Area | 16,876 sq mi |
| Max Discharge | 116,000 cfs |
| Year Completed | 1911 (115 years old) |
| NID ID | MT00560 |
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
NorthWestern Energy
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Hauser Dam?
Hauser Dam 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 Hauser Dam?
Hauser Dam is owned by NorthWestern Energy (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hauser Dam built?
Hauser Dam was completed in 1911, making it 115 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 Hauser Dam?
Hauser Dam serves the following purposes: Hydroelectric, Recreation, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hauser Dam?
Hauser Dam has a dam height of 125 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 Hauser Dam last inspected?
Hauser Dam was last inspected on August 2, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.