Harfo
Key Takeaway
Harfo is classified as low hazard in Montana. It was completed in 1972 and is 54 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 25 ft (taller than 70.3% in MT) |
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 76 acre-ft |
| Normal Storage | 45 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 500 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | MT02458 |
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
KENNETH G FOSS
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Harfo?
Harfo 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 Harfo?
Harfo is owned by KENNETH G FOSS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harfo built?
Harfo was completed in 1972, making it 54 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 Harfo?
Harfo 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 Harfo?
Harfo has a dam height of 25 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.