Miller Reservoir (Harney)
Key Takeaway
Miller Reservoir (Harney) is classified as low hazard in Oregon. It was completed in 1947 and is 79 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 48 ft (taller than 83.4% in OR) |
| Dam Length | 520 ft |
| Dam Type | Earth |
| Max Storage | 362 acre-ft |
| Normal Storage | 362 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 293 cfs |
| Year Completed | 1947 (79 years old) |
| NID ID | OR00167 |
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
MUDDY CREEK RANCH
Private
Nearby Dams
Griffin Creek Dam
Harney, OR
Significant Hazard 44 ftVanderveer Dam
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Low Hazard 45 ftJones Reservoir
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Low Hazard 21 ftStinking Water Reservoir
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Low Hazard 10 ftSitz Reservoir
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Low Hazard 22 ftBeede North
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Significant Hazard 12 ftBeede South
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Significant Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Miller Reservoir (Harney)?
Miller Reservoir (Harney) 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 Miller Reservoir (Harney)?
Miller Reservoir (Harney) is owned by MUDDY CREEK RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Miller Reservoir (Harney) built?
Miller Reservoir (Harney) was completed in 1947, making it 79 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 Miller Reservoir (Harney)?
Miller Reservoir (Harney) 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 Miller Reservoir (Harney)?
Miller Reservoir (Harney) has a dam height of 48 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.
When was Miller Reservoir (Harney) last inspected?
Miller Reservoir (Harney) was last inspected on April 28, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.