Larso
Key Takeaway
Larso is classified as low hazard in Montana. It was completed in 1959 and is 67 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 15 ft (taller than 18.8% in MT) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Max Storage | 162 acre-ft |
| Normal Storage | 83 acre-ft |
| Year Completed | 1959 (67 years old) |
| NID ID | MT00084 |
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
WHITESIDE LIVESTOCK CO
Private
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What is the hazard classification of Larso?
Larso 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 Larso?
Larso is owned by WHITESIDE LIVESTOCK CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Larso built?
Larso was completed in 1959, making it 67 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 Larso?
Larso 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 Larso?
Larso has a dam height of 15 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.