Bn #3
Key Takeaway
Bn #3 is classified as low hazard in Montana. It was completed in 1966 and is 60 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 33 ft (taller than 91.5% in MT) |
| Dam Length | 225 ft |
| Dam Type | Earth |
| Max Storage | 105 acre-ft |
| Normal Storage | 51 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 800 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | MT02026 |
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
BURLINGTON NORTHERN RR
Private
Nearby Dams
Schmidt #1
Rosebud, MT
Low Hazard 15 ftBar G9 #2
Rosebud, MT
Low Hazard 17 ftA S Welch #1
Rosebud, MT
Low Hazard 12 ftKesterson #1
Rosebud, MT
Low Hazard 18 ftBar 69 #4
Rosebud, MT
Low Hazard 30 ftBig Timber #4
Rosebud, MT
Low Hazard 18 ftKesterson #2
Rosebud, MT
Low Hazard 18 ftBig Timber #7
Rosebud, MT
Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Bn #3?
Bn #3 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 Bn #3?
Bn #3 is owned by BURLINGTON NORTHERN RR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Bn #3 built?
Bn #3 was completed in 1966, making it 60 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 Bn #3?
Bn #3 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 Bn #3?
Bn #3 has a dam height of 33 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.