Ohs
Key Takeaway
Ohs 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 | 14 ft (taller than 15.6% in MT) |
| Dam Length | 370 ft |
| Dam Type | Earth |
| Max Storage | 111 acre-ft |
| Normal Storage | 33 acre-ft |
| Year Completed | 1942 (84 years old) |
| NID ID | MT01298 |
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
WALLACE W OHS
Private
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Ohs?
Ohs 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 Ohs?
Ohs is owned by WALLACE W OHS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ohs built?
Ohs 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 Ohs?
Ohs 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 Ohs?
Ohs has a dam height of 14 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.