Beaver Creek Reservoir Dam
Key Takeaway
Beaver Creek Reservoir Dam is classified as high hazard in Montana. It was completed in 1974 and is 52 years old. Its primary use is irrigation. 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 | 108 ft (taller than 99.2% in MT) |
| Dam Length | 2,855 ft |
| Dam Type | Earth |
| Max Storage | 8.7K acre-ft |
| Normal Storage | 6.3K acre-ft |
| Surface Area | 185 acres |
| Drainage Area | 79 sq mi |
| Max Discharge | 15,250 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | MT00510 |
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
HILL COUNTY
Local Government
Nearby Dams
Bearpaw Lake Dam
Hill, MT
High Hazard 64 ftSands Lake North Dam
Hill, MT
Significant Hazard 11 ftScott Coulee Dam
Hill, MT
High Hazard 58 ftSands Lake East Dike
Hill, MT
Significant Hazard 6 ftBullhook Dam
Hill, MT
High Hazard 87 ftBullhook Lower Diversion
Hill, MT
High Hazard 77 ftTow, Wilfred
Hill, MT
Low Hazard 20 ftBig Gravel Dam 1
Hill, MT
Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Beaver Creek Reservoir Dam?
Beaver Creek Reservoir 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 Beaver Creek Reservoir Dam?
Beaver Creek Reservoir Dam is owned by HILL COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Beaver Creek Reservoir Dam built?
Beaver Creek Reservoir Dam was completed in 1974, making it 52 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 Beaver Creek Reservoir Dam?
Beaver Creek Reservoir Dam serves the following purposes: Irrigation, Fish And Wildlife Pond, 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 Beaver Creek Reservoir Dam?
Beaver Creek Reservoir Dam has a dam height of 108 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 Beaver Creek Reservoir Dam last inspected?
Beaver Creek Reservoir Dam was last inspected on August 12, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.