Eliasson (Petroleum)
Key Takeaway
Eliasson (Petroleum) is classified as low hazard in Montana. It was completed in 1939 and is 87 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 19 ft (taller than 42.9% in MT) |
| Dam Length | 545 ft |
| Dam Type | Earth |
| Max Storage | 200 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 38 sq mi |
| Year Completed | 1939 (87 years old) |
| NID ID | MT01055 |
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
FLATWILLOW COLONY RANCH
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Eliasson (Petroleum)?
Eliasson (Petroleum) 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 Eliasson (Petroleum)?
Eliasson (Petroleum) is owned by FLATWILLOW COLONY RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Eliasson (Petroleum) built?
Eliasson (Petroleum) was completed in 1939, making it 87 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 Eliasson (Petroleum)?
Eliasson (Petroleum) 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 Eliasson (Petroleum)?
Eliasson (Petroleum) has a dam height of 19 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.