Willamette Falls Locks
Key Takeaway
Willamette Falls Locks is classified as high hazard in Oregon. It was completed in 1873 and is 153 years old. Its primary use is navigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 0 ft |
| Dam Type | Concrete |
| Max Storage | 17.0K acre-ft |
| Normal Storage | 17.0K acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1873 (153 years old) |
| NID ID | OR00596 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
USACE - Portland District
Federal Government
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Significant Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Willamette Falls Locks?
Willamette Falls Locks is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Willamette Falls Locks?
Willamette Falls Locks is owned by USACE - Portland District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Willamette Falls Locks built?
Willamette Falls Locks was completed in 1873, making it 153 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 Willamette Falls Locks?
Willamette Falls Locks serves the following purposes: Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Willamette Falls Locks last inspected?
Willamette Falls Locks was last inspected on September 9, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.