Smith-Bybee Lakes
Key Takeaway
Smith-Bybee Lakes is classified as low hazard in Oregon. It was completed in 1981 and is 45 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 14 ft (taller than 12.5% in OR) |
| Dam Length | 100 ft |
| Dam Type | Concrete |
| Max Storage | 4.1K acre-ft |
| Normal Storage | 4.1K acre-ft |
| Surface Area | 839 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 81 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | OR00680 |
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
CITY OF PORTLAND
Local Government
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Smith-Bybee Lakes?
Smith-Bybee Lakes 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-Bybee Lakes?
Smith-Bybee Lakes is owned by CITY OF PORTLAND (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Smith-Bybee Lakes built?
Smith-Bybee Lakes was completed in 1981, making it 45 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-Bybee Lakes?
Smith-Bybee Lakes serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Smith-Bybee Lakes?
Smith-Bybee Lakes has a dam height of 14 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-Bybee Lakes last inspected?
Smith-Bybee Lakes was last inspected on December 6, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.