Heslo
Key Takeaway
Heslo is classified as low hazard in Montana. It was completed in 1942 and is 84 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 10 ft (taller than 3.7% in MT) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 82 acre-ft |
| Normal Storage | 5 acre-ft |
| Year Completed | 1942 (84 years old) |
| NID ID | MT02497 |
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
LEO HESER
Private
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Low Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Heslo?
Heslo 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 Heslo?
Heslo is owned by LEO HESER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Heslo built?
Heslo was completed in 1942, making it 84 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 Heslo?
Heslo 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 Heslo?
Heslo has a dam height of 10 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.