Pyba Reservoir
Key Takeaway
Pyba Reservoir is classified as significant hazard in Montana. It was completed in 1952 and is 74 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 28 ft (taller than 80.9% in MT) |
| Dam Length | 2,400 ft |
| Dam Type | Earth |
| Max Storage | 590 acre-ft |
| Normal Storage | 386 acre-ft |
| Year Completed | 1952 (74 years old) |
| NID ID | MT01082 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
WALLACE PETTIT
Private
Nearby Dams
Disco Creek
Garfield, MT
Low Hazard 12 ftMontana #21
Rosebud, MT
Low Hazard 12 ftG Newman #6
Rosebud, MT
Low Hazard 15 ftNewman #1
Garfield, MT
Low Hazard 20 ftLee #12
Rosebud, MT
Low Hazard 20 ftLee #13
Rosebud, MT
Low Hazard 15 ftChristenson
Garfield, MT
Low Hazard 15 ftSection Four
Garfield, MT
Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Pyba Reservoir?
Pyba Reservoir is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Pyba Reservoir?
Pyba Reservoir is owned by WALLACE PETTIT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pyba Reservoir built?
Pyba Reservoir was completed in 1952, making it 74 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 Pyba Reservoir?
Pyba 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 Pyba Reservoir?
Pyba Reservoir has a dam height of 28 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.