Harmon Reservoir
Key Takeaway
Harmon Reservoir is classified as low hazard in Montana. It was completed in 1925 and is 101 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 15 ft (taller than 18.8% in MT) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 162 acre-ft |
| Normal Storage | 83 acre-ft |
| Year Completed | 1925 (101 years old) |
| NID ID | MT00494 |
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
HARMON FARMS INC
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Harmon Reservoir?
Harmon Reservoir 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 Harmon Reservoir?
Harmon Reservoir is owned by HARMON FARMS INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harmon Reservoir built?
Harmon Reservoir was completed in 1925, making it 101 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 Harmon Reservoir?
Harmon Reservoir 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 Harmon Reservoir?
Harmon Reservoir has a dam height of 15 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.