Hannaland Reservoir
Key Takeaway
Hannaland Reservoir is classified as low hazard in Montana. It was completed in 1959 and is 67 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 20 ft (taller than 44.5% in MT) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 103 acre-ft |
| Normal Storage | 53 acre-ft |
| Year Completed | 1959 (67 years old) |
| NID ID | MT00982 |
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
BURLINGTON NORTHERN RR
Private
Nearby Dams
Murphy and Sons #2
McCone, MT
Low Hazard 10 ftHannaland #1
McCone, MT
Low Hazard 25 ftMurphy #2
McCone, MT
Low Hazard 12 ftWalkerville
McCone, MT
Low Hazard 21 ftDreyer Brothers INCorporated #1
McCone, MT
Low Hazard 25 ftMurphy #1
McCone, MT
Low Hazard 15 ftMurphy + Sons #1
McCone, MT
Low Hazard 20 ftState-Murphy Dam
McCone, MT
Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Hannaland Reservoir?
Hannaland 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 Hannaland Reservoir?
Hannaland Reservoir is owned by BURLINGTON NORTHERN RR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hannaland Reservoir built?
Hannaland Reservoir was completed in 1959, making it 67 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 Hannaland Reservoir?
Hannaland 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 Hannaland Reservoir?
Hannaland Reservoir has a dam height of 20 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.