Smith Reservoir
Key Takeaway
Smith Reservoir is classified as low hazard in Oregon. It was completed in 1970 and is 56 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 19 ft (taller than 27.8% in OR) |
| Dam Length | 1,270 ft |
| Dam Type | Earth |
| Max Storage | 920 acre-ft |
| Normal Storage | 920 acre-ft |
| Surface Area | 99 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,450 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | OR00402 |
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
MICHAEL TYRHOLM
Private
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High Hazard 88 ftFrequently Asked Questions
What is the hazard classification of Smith Reservoir?
Smith 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 Smith Reservoir?
Smith Reservoir is owned by MICHAEL TYRHOLM (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Smith Reservoir built?
Smith Reservoir was completed in 1970, making it 56 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 Smith Reservoir?
Smith 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 Smith Reservoir?
Smith Reservoir has a dam height of 19 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 Smith Reservoir last inspected?
Smith Reservoir was last inspected on August 9, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.