Big Deal
Key Takeaway
Big Deal is classified as low hazard in Montana. It was completed in 1952 and is 74 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 25 ft (taller than 70.3% in MT) |
| Dam Length | 225 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Normal Storage | 35 acre-ft |
| Year Completed | 1952 (74 years old) |
| NID ID | MT03151 |
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
STATE OF MONTANA, D.N.R.C., T.L.M.D.
State Government
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Significant Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Big Deal?
Big Deal 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 Big Deal?
Big Deal is owned by STATE OF MONTANA, D.N.R.C., T.L.M.D. (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Big Deal built?
Big Deal was completed in 1952, making it 74 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 Big Deal?
Big Deal serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Big Deal?
Big Deal has a dam height of 25 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.