Round Butte Reservoir
Key Takeaway
Round Butte Reservoir is classified as low hazard in Montana. It was completed in 1964 and is 62 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 25 ft (taller than 70.3% in MT) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 288 acre-ft |
| Normal Storage | 196 acre-ft |
| Year Completed | 1964 (62 years old) |
| NID ID | MT00548 |
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
KILLEN LAND & LIVESTOCK
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Round Butte Reservoir?
Round Butte 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 Round Butte Reservoir?
Round Butte Reservoir is owned by KILLEN LAND & LIVESTOCK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Round Butte Reservoir built?
Round Butte Reservoir was completed in 1964, making it 62 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 Round Butte Reservoir?
Round Butte Reservoir serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Round Butte Reservoir?
Round Butte Reservoir 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.