Whaley #11 Dam
Key Takeaway
Whaley #11 Dam is classified as low hazard in Montana.
Physical Details
| Dam Length | 487 ft |
| Dam Type | Gravity |
| Max Storage | 150 acre-ft |
| Normal Storage | 135 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 2 sq mi |
| NID ID | MT02753 |
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
DOI BLM
Federal Government
Nearby Dams
Whaley #13
Rosebud, MT
Low Hazard 20 ftGearhart #4
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Low Hazard 15 ftHanson CO #11
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Low Hazard 15 ftGearhart #15
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Low Hazard 16 ftUlmer Lake
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Low Hazard 20 ftCrosby #4
Rosebud, MT
Low Hazard 28 ftHanson CO #12
Rosebud, MT
Low Hazard 15 ftStandish #1
Rosebud, MT
Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Whaley #11 Dam?
Whaley #11 Dam 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 Whaley #11 Dam?
Whaley #11 Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Whaley #11 Dam last inspected?
Whaley #11 Dam was last inspected on September 5, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.