Southerland Lacosta
Key Takeaway
Southerland Lacosta is classified as low hazard in Montana. It was completed in 1957 and is 69 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 21 ft (taller than 61.7% in MT) |
| Dam Length | 325 ft |
| Dam Type | Earth |
| Max Storage | 225 acre-ft |
| Normal Storage | 109 acre-ft |
| Year Completed | 1957 (69 years old) |
| NID ID | MT02257 |
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
LACOSTA LIVESTOCK CO
Private
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What is the hazard classification of Southerland Lacosta?
Southerland Lacosta 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 Southerland Lacosta?
Southerland Lacosta is owned by LACOSTA LIVESTOCK CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Southerland Lacosta built?
Southerland Lacosta was completed in 1957, making it 69 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 Southerland Lacosta?
Southerland Lacosta 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 Southerland Lacosta?
Southerland Lacosta has a dam height of 21 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.