Star Mountain Reservoir
Key Takeaway
Star Mountain Reservoir is classified as significant hazard in Oregon. It was completed in 1961 and is 65 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 66 ft (taller than 90.3% in OR) |
| Dam Length | 285 ft |
| Dam Type | Earth |
| Max Storage | 1.5K acre-ft |
| Normal Storage | 940 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 87 sq mi |
| Max Discharge | 420 cfs |
| Year Completed | 1961 (65 years old) |
| Year Modified | 1984 |
| NID ID | OR00361 |
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
LARAMIE DAWSON
Private
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What is the hazard classification of Star Mountain Reservoir?
Star Mountain 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 Star Mountain Reservoir?
Star Mountain Reservoir is owned by LARAMIE DAWSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Star Mountain Reservoir built?
Star Mountain Reservoir was completed in 1961, making it 65 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 Star Mountain Reservoir?
Star Mountain 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 Star Mountain Reservoir?
Star Mountain Reservoir has a dam height of 66 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 Star Mountain Reservoir last inspected?
Star Mountain Reservoir was last inspected on August 27, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.