Isaac Frye #4
Key Takeaway
Isaac Frye #4 is classified as low hazard in Montana. It was completed in 1955 and is 71 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 18 ft (taller than 36.9% in MT) |
| Dam Length | 85 ft |
| Dam Type | Earth |
| Max Storage | 147 acre-ft |
| Normal Storage | 69 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 150 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | MT02899 |
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
ISAAC M FRYE
Private
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Isaac Frye #4?
Isaac Frye #4 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 Isaac Frye #4?
Isaac Frye #4 is owned by ISAAC M FRYE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Isaac Frye #4 built?
Isaac Frye #4 was completed in 1955, making it 71 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 Isaac Frye #4?
Isaac Frye #4 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 Isaac Frye #4?
Isaac Frye #4 has a dam height of 18 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.