Hainie Reservoir
Key Takeaway
Hainie Reservoir 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 | 19 ft (taller than 42.9% in MT) |
| Dam Length | 1,122 ft |
| Dam Type | Earth |
| Max Storage | 88 acre-ft |
| Normal Storage | 53 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 500 cfs |
| Year Completed | 1942 (84 years old) |
| NID ID | MT00977 |
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
ARIES FAMILY CORP
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Hainie Reservoir?
Hainie 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 Hainie Reservoir?
Hainie Reservoir is owned by ARIES FAMILY CORP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hainie Reservoir built?
Hainie Reservoir 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 Hainie Reservoir?
Hainie 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 Hainie Reservoir?
Hainie Reservoir has a dam height of 19 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.