Shaffer Reservoir
Key Takeaway
Shaffer Reservoir is classified as significant hazard in Oregon. It was completed in 1987 and is 39 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 16% in OR) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 13 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 160 cfs |
| Year Completed | 1987 (39 years old) |
| NID ID | OR03017 |
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
ZENA PACIFIC HOLDINGS
Private
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Shaffer Reservoir?
Shaffer 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 Shaffer Reservoir?
Shaffer Reservoir is owned by ZENA PACIFIC HOLDINGS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Shaffer Reservoir built?
Shaffer Reservoir was completed in 1987, making it 39 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 Shaffer Reservoir?
Shaffer 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 Shaffer Reservoir?
Shaffer Reservoir has a dam height of 15 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 Shaffer Reservoir last inspected?
Shaffer Reservoir was last inspected on October 11, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.